[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.1"]
[White "Fellberg, Justus"]
[Black "Colpe, Malte"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1746"]
[BlackElo "2373"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "176"]
[EventDate "2025.04.18"]

{[%evp 0,119,19,31,41,7,19,18,17,1,-8,-3,-10,-47,-32,-43,-9,-57,-45,-39,-6,-17,
-20,-49,-37,-24,-53,-53,-51,-35,-33,-37,-26,-35,-27,-38,-26,-39,-28,-42,-40,
-47,-52,-44,-49,-37,-43,-65,-40,-72,-60,-72,-56,-75,-45,-70,-57,-50,-62,-69,
-72,-69,-69,-72,-69,-48,-45,-54,-23,-24,-30,-39,-39,-30,-32,-38,-25,-30,-26,
-31,-31,-61,-45,-45,-14,-15,-22,-16,-52,-35,-29,-55,-62,-46,-51,-45,-45,-45,
-45,-45,-58,-53,-48,-51,0,-14,-10,0,0,22,-31,-31,0,0,0,0,0,-66,-65,-68,-67,-96]
} 1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Be7 5. e5 d5 6. exd6 Bxd6 7. Bg2 Nge7 8.
c3 O-O 9. O-O b6 10. Na3 Bb7 11. Nc2 Nf5 12. d4 cxd4 13. Nfxd4 Ncxd4 14. Nxd4
Nxd4 15. cxd4 Qd7 16. Be3 Be7 17. Rfd1 Rfd8 18. Bxb7 Qxb7 19. Rac1 Bf6 20. Qg4
Qd5 21. b3 h5 22. Qe2 h4 23. Qf1 Qf5 24. h3 hxg3 25. fxg3 Qg6 26. Qf2 Rd5 27.
Kh2 Rad8 28. Rd2 a5 29. Rc4 Qe4 30. Qf4 Qb1 31. Qf2 Qg6 32. Rc6 b5 33. Rc5 b4
34. Rxd5 Rxd5 35. Rc2 Qe4 36. Rc5 Kh7 37. Rxd5 Qxd5 38. Qc2+ Kg8 39. Qc8+ Bd8
40. Qc2 g6 41. Qg2 Qd7 42. Qa8 Kg7 43. Qe4 Bf6 44. Qf4 Qb5 45. Qh6+ Kg8 46. Qf4
Bg7 47. Qf2 Qd3 48. Kg2 Qb1 49. h4 f5 50. Qd2 Kf7 51. Bf2 Bf6 52. Qe2 Bg7 53.
h5 g5 54. Qe3 Bf6 55. Qe2 g4 56. h6 Qc1 57. Qb5 Qxh6 58. Qxa5 Qd2 59. Qc7+ Be7
60. Qc4 Qxa2 61. Qd3 Qa8+ 62. Kg1 Qd5 63. Qe3 Kg6 64. Qd3 Bf6 65. Qe3 Qc6 66.
Qf4 Qc2 67. Qb8 Qd1+ 68. Kh2 Qxb3 69. Qe8+ Kh7 70. Qf7+ Bg7 71. Qh5+ Kg8 72.
Qe8+ Bf8 73. Qg6+ Kh8 74. Qh5+ Kg7 75. Qg5+ Kf7 76. Qh5+ Ke7 77. Qh7+ Ke8 78.
Qc7 Qd5 79. Qc8+ Kf7 80. Qc7+ Be7 81. Qb8 Qf3 82. Kg1 b3 83. d5 Qxd5 84. Qh8
Qd1+ 85. Kh2 Qd2 86. Qh5+ Kg7 87. Qe8 Qxf2+ 88. Kh1 Qc5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.2"]
[White "Koniahli, Malek"]
[Black "Erk, Ben"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2309"]
[BlackElo "1743"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "45"]
[EventDate "2025.04.18"]

{[%evp 0,42,30,30,28,-13,-11,0,9,5,8,-14,39,39,35,13,2,0,6,-11,39,39,50,31,76,
68,57,57,57,55,58,58,17,24,13,20,29,24,105,116,166,168,189,200,199]} 1. d4 d5
2. c4 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 b6 6. O-O O-O 7. Nc3 Bb7 8. Ne5 Nbd7 9.
Qa4 Nxe5 10. dxe5 Ne8 11. Rd1 c6 12. cxd5 exd5 13. e4 b5 14. Nxb5 cxb5 15. Qxb5
Qb6 16. Qxb6 axb6 17. exd5 Bc5 18. a3 b5 19. d6 Bxg2 20. Kxg2 h6 21. Rd5 Ba7
22. Bd2 Bb6 23. Bb4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.3"]
[White "Malchereck, Romeo"]
[Black "Holinka, Henning"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1740"]
[BlackElo "2292"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "62"]
[EventDate "2025.04.18"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 a6 5. a4 Nc6 6. f3 e5 7. Nge2 f5 8. dxe5
Nxe5 9. exf5 Bxf5 10. Nd4 Ne7 11. Be2 O-O 12. O-O Bd7 13. Bf2 N7c6 14. Nd5 Nxd4
15. Bxd4 Be6 16. Bf2 Qd7 17. c3 Rae8 18. Qd2 Qf7 19. Ne3 d5 20. Nc2 Rd8 21. Nd4
Bc8 22. b4 c6 23. Qb2 g5 24. h3 Ng6 25. Bd3 Nf4 26. Qc2 Rd6 27. Bg3 Be5 28.
Bxf4 Qxf4 29. Rfe1 Qh2+ 30. Kf1 Bxd4 31. cxd4 Rxf3+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.4"]
[White "Bracker, Arne"]
[Black "Dede, Metehan"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2289"]
[BlackElo "1733"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "85"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 g6 7. Nf3 Bf5 8. Be2
h6 9. O-O g5 10. Be3 Bg7 11. Re1 O-O 12. h3 Qd7 13. Nbd2 Ne4 14. Rc1 e5 15.
Nxe5 Nxe5 16. dxe5 Bxe5 17. Nf3 Bd6 18. Bf1 Rad8 19. Nd2 Qe6 20. Qh5 Qg6 21.
Qxg6+ Bxg6 22. Rcd1 a6 23. Bb6 Bc5 24. Nxe4 Bxb6 25. Nf6+ Kg7 26. Nxd5 Ba7 27.
Bc4 Rc8 28. Bb3 Bc5 29. Rd2 Rfe8 30. Red1 Rc6 31. Bc2 Bh5 32. g4 Bg6 33. Bxg6
Kxg6 34. Kf1 Re5 35. Re1 Rce6 36. Rxe5 Rxe5 37. b4 Bf8 38. Ne3 Bg7 39. Ke2 Re6
40. Rd3 b5 41. Kd2 Rf6 42. Nf5 Bf8 43. Rd8 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.5"]
[White "Kollath, Leno"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1705"]
[BlackElo "2239"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "32"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7 8.
d3 Be7 9. Ne4 f5 10. Ng3 Qd7 11. Qh5+ g6 12. Qe2 O-O-O 13. Bd2 Nf4 14. Qf3 Qd6
15. Bxf4 Nd4 16. Qd1 exf4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.6"]
[White "Keyser, Robin"]
[Black "Lasschuit, Rene"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2169"]
[BlackElo "1701"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "51"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5
Bxc5 9. Qxc4 Qe7 10. Ne5 Rd8 11. Nd3 Bb6 12. b3 e5 13. Ba3 Qc7 14. Qxc7 Bxc7
15. Nc3 Nc6 16. Rfd1 Bf5 17. Nb5 Bxd3 18. Rxd3 Rxd3 19. Nxc7 Rc8 20. exd3 Rxc7
21. Rc1 g6 22. Bb2 Ne8 23. Bxc6 bxc6 24. Bxe5 Re7 25. Bd4 Re6 26. Bxa7 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.7"]
[White "Babychev, Mykhailo"]
[Black "Reddmann, Hauke"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1698"]
[BlackElo "2171"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "34"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. bxc3 d6 7. Bg5 e5 8. e3
Re8 9. Bxf6 Qxf6 10. Be2 Nc6 11. h3 e4 12. Rb1 b6 13. Bg4 Na5 14. Qe2 Ba6 15.
Bd7 Bxc4 16. Qg4 Re7 17. Ne2 h5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.8"]
[White "Holmsgaard, Henrik"]
[Black "Schranz, Patrick"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2146"]
[BlackElo "1696"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "43"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. h3 d5 7. exd5 Nxd5 8.
Re1 Re8 9. c3 Nf4 10. d4 Bd6 11. Bxf4 exf4 12. Rxe8+ Qxe8 13. Ng5 Qe7 14. Nxf7
Be6 15. Nxd6 cxd6 16. Bxe6+ Qxe6 17. d5 Qg6 18. dxc6 bxc6 19. Nd2 Rf8 20. Nf3
d5 21. a4 Rb8 22. Qd2 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.9"]
[White "Lohmann, Rene"]
[Black "Kahlert, Thomas"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1691"]
[BlackElo "2104"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "48"]
[EventDate "2025.04.18"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 f5 7. O-O Nf6 8. d3
O-O 9. exf5 Bxf5 10. h3 Qd7 11. Kh2 Rae8 12. Ne4 Nxe4 13. dxe4 Be6 14. b3 Nd4
15. Nc3 Rf7 16. Be3 Ref8 17. f4 c5 18. Qd3 h5 19. Ne2 h4 20. gxh4 Nxe2 21. Qxe2
exf4 22. Bg1 f3 23. Rxf3 Rxf3 24. Bxf3 Bxa1 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.10"]
[White "Falke, Ornella"]
[Black "Busch, Jonathan Luis"]
[Result "0-1"]
[ECO "C87"]
[WhiteElo "2047"]
[BlackElo "1661"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "150"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. h3
Be6 9. d4 exd4 10. cxd4 d5 11. e5 Ne4 12. Nc3 Nxc3 13. bxc3 Na5 14. Bc2 Nc4 15.
Nh2 Qd7 16. Qf3 Rfd8 17. Ng4 c5 18. Qd3 g6 19. Nh6+ Kg7 20. Rf1 cxd4 21. cxd4
Na3 22. Bxa3 Kxh6 23. Qe3+ Kg7 24. Bxe7 Qxe7 25. f4 Qc7 26. Rac1 Qb6 27. g4 Rg8
28. Kh1 Rac8 29. f5 Bd7 30. Rb1 Qc6 31. Rfc1 Qc3 32. Bd3 Qa3 33. Rxc8 Rxc8 34.
f6+ Kh8 35. Qh6 Rg8 36. Qd2 b5 37. Rb3 Qf8 38. Qc1 Qc8 39. Rc3 Qb8 40. Rc5 Be6
41. Be2 Rc8 42. Qh6 Rg8 43. Bf3 Qb6 44. Qc1 Qb8 45. Kh2 Qd8 46. Qa3 Qa8 47. Qc3
Rd8 48. Kg3 h6 49. h4 Qb7 50. Be2 Qd7 51. Qa5 Ra8 52. Bxb5 Qb7 53. Bc6 Qb1 54.
Qd2 Qg1+ 55. Qg2 Qxd4 56. Bxa8 Qxe5+ 57. Kh3 Qe3+ 58. Qg3 Qxc5 59. Bb7 a5 60.
Qe5 Qa3+ 61. Qg3 Qxa2 62. Qb8+ Kh7 63. Qf8 Qb3+ 64. Kg2 Qb2+ 65. Kg3 Qxf6 66.
Qa3 Qe5+ 67. Kh3 d4 68. Bf3 h5 69. Qf8 hxg4+ 70. Bxg4 Bxg4+ 71. Kxg4 Qf5+ 72.
Kg3 d3 73. Qd8 Qe5+ 74. Kh3 Qe3+ 75. Kg4 f5# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.11"]
[White "Mi, Gufeng"]
[Black "Malchereck, Zion"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1659"]
[BlackElo "2063"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "68"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. g3 d5 5. e5 f6 6. Bf4 g5 7. Nxg5 fxg5 8. Qh5+
Kd7 9. Bxg5 Qe8 10. Qe2 Nd4 11. Qd1 Qg6 12. Bf4 Nc6 13. Bg2 Bg7 14. c4 Nxe5 15.
Bxe5 Bxe5 16. Nc3 Nf6 17. O-O d4 18. Ne4 Nxe4 19. Bxe4 Qf6 20. Qa4+ Ke7 21. b4
Bd7 22. Qa3 Bc6 23. Rae1 h5 24. f4 Bc7 25. Bxc6 bxc6 26. f5 e5 27. bxc5 h4 28.
g4 h3 29. Re4 Rh4 30. Rf3 Qg5 31. Rg3 Rb8 32. Qxa7 Rb1+ 33. Kf2 Qd2+ 34. Kf3
Rf1# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.12"]
[White "Atri, Jamshid"]
[Black "Klaeke, Gregor"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2029"]
[BlackElo "1655"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. e4 {[%eval 18,0]} e5 {[%eval 21,0]} 2. Nf3 {[%eval 13,0]} Nc6 {[%eval 21,0]}
3. Bb5 {[%eval 15,0]} d6 {[%eval 53,0]} 4. d4 {[%eval 45,0]} Bd7 {[%eval 89,0]}
5. Nc3 {[%eval 43,0]} a6 $6 {[%eval 154,0] Inaccuracy. exd4 was best.} (5...
exd4 6. Nxd4 g6 7. Be3 Bg7 8. Qd2 Nf6 9. Bxc6 bxc6 10. Bh6) 6. Bxc6 {[%eval
105,0]} Bxc6 {[%eval 151,0]} 7. dxe5 {[%eval 159,0]} Qd7 {[%eval 167,0]} 8. O-O
{[%eval 209,0]} O-O-O {[%eval 199,0]} 9. h3 {[%eval 142,0]} h6 {[%eval 192,0]}
10. Qd4 $6 {[%eval 127,0] Inaccuracy. Bf4 was best.} (10. Bf4 Ne7 11. Qd4 Ng6
12. Qa7 Qe8 13. Bg3 dxe5 14. Nd5 f6 15. Rfd1 Bxd5) 10... b6 $2 {[%eval 256,0]
Mistake. dxe5 was best.} (10... dxe5 11. Qxd7+ Bxd7 12. Nxe5 Be6 13. b3 Ne7 14.
Ne2 g5 15. Bb2 Bg7 16. Rae1) 11. Bf4 $6 {[%eval 167,0] Inaccuracy. Rd1 was
best.} (11. Rd1 f5 12. exd6 Bxd6 13. e5 Bc5 14. Qc4 Bb5 15. Rxd7 Bxc4 16. Rxg7
Ne7) 11... g5 $6 {[%eval 284,0] Inaccuracy. dxe5 was best.} (11... dxe5 12.
Qxd7+ Bxd7 13. Nxe5 Be6 14. Rfd1 Rxd1+ 15. Rxd1 Ne7 16. Bh2 g5 17. Nd5) 12. Bg3
$6 {[%eval 106,0] Inaccuracy. exd6 was best.} (12. exd6 f6 13. Nd5 Bxd6 14.
Bxd6 Qxd6 15. c4 Rh7 16. Qc3 Bb7 17. Rad1 Rhd7) 12... Bg7 $2 {[%eval 357,0]
Mistake. dxe5 was best.} (12... dxe5 13. Qxd7+ Bxd7 14. Nxe5 Be6 15. Nc6 Rd7
16. Rad1 Bg7 17. Be5 f6 18. Bh2) 13. Rad1 {[%eval 321,0]} f5 {[%eval 388,0]}
14. exf5 {[%eval 402,0]} Qxf5 {[%eval 455,0]} 15. Qg4 $4 {[%eval 104,0]
Blunder. Qc4 was best.} (15. Qc4 Ne7 16. Nd4 Qd7 17. Nxc6 Qxc6 18. Qxa6+ Qb7
19. Qa3 Nf5 20. exd6 Nxg3) 15... Qxg4 {[%eval 144,0]} 16. hxg4 {[%eval 141,0]}
Bxf3 {[%eval 133,0]} 17. gxf3 Ne7 18. exd6 cxd6 19. Bxd6 Ng6 20. Bg3 Bxc3 21.
bxc3 Kb7 22. Rd3 Rhe8 23. Rfd1 Kc8 24. Kf1 Nf4 25. Rxd8+ Rxd8 26. Rxd8+ Kxd8
27. Bxf4 gxf4 28. Ke2 Ke7 29. Kd3 Kd6 30. Ke4 Kc5 31. Kxf4 Kc4 32. Ke5 b5 33.
f4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.13"]
[White "Neumann, Hannes"]
[Black "Fabig, Holger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1655"]
[BlackElo "2012"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 e6 2. d4 b6 3. Nc3 Bb7 4. Nf3 Nf6 5. Bd3 Bb4 6. Qe2 d5 7. e5 Nfd7 8. Bg5
Qc8 9. O-O Bxc3 10. bxc3 c5 11. c4 h6 12. Bd2 a6 13. cxd5 Bxd5 14. c4 Bb7 15.
d5 Nf8 16. Be4 Nbd7 17. Rab1 Qc7 18. Bc3 O-O-O 19. a4 f5 20. exf6 Nxf6 21. Bxf6
gxf6 22. dxe6 Re8 23. Bf5 Qf4 24. Qd3 Kc7 25. a5 bxa5 26. Rxb7+ Kxb7 27. Qd5+
Kc8 28. Qxc5+ Kb8 29. Rb1+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.14"]
[White "Pittelkow, Andreas"]
[Black "Queißer, Jens"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2010"]
[BlackElo "1653"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "83"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Bd6 5. c4 Nbd7 6. d4 b6 7. b3 O-O 8. Bb2
Bb7 9. Nbd2 Rb8 10. e3 Re8 11. Ne5 Bf8 12. Qe2 dxc4 13. Bxb7 Rxb7 14. Nc6 Qa8
15. Qxc4 b5 16. Qc2 Rb6 17. Rfc1 Nd5 18. e4 Nb4 19. Nxb4 Bxb4 20. Nf1 Nf6 21.
f3 Rc8 22. a3 Be7 23. b4 a5 24. Bc3 a4 25. Bb2 Nd7 26. Ne3 Bg5 27. f4 Bh6 28.
Ng4 Nf6 29. Nxf6+ gxf6 30. Qd3 e5 31. dxe5 Rd8 32. Qe2 fxe5 33. Bxe5 f6 34.
Bxc7 Qa7 35. Qf2 Rd7 36. Bxb6 Qxb6 37. Qxb6 Rg7 38. Rc8+ Kf7 39. Rc7+ Kg6 40.
Rxg7+ Bxg7 41. Qxb5 Kf7 42. Rd1 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.15"]
[White "Busch, Lara Sophie"]
[Black "Hort, Max"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1651"]
[BlackElo "2007"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "74"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6
8. Be3 Bd6 9. O-O-O Ke7 10. f3 a6 11. Nge2 b5 12. h3 Nc6 13. Nb1 a5 14. Kd2 a4
15. Nec3 Rhb8 16. Ke1 b4 17. Ne2 Na5 18. b3 c5 19. Nd2 c4 20. Nxc4 Nxc4 21.
bxc4 Rc8 22. c5 Bxc5 23. Bxc5+ Rxc5 24. Rd2 Rac8 25. Kd1 Ne8 26. Kc1 Nd6 27.
Rhd1 Nc4 28. Rd7+ Kf6 29. c3 bxc3 30. Ng3 c2 31. R1d3 Rb8 32. Nh5+ Kg6 33.
Rxg7+ Kxh5 34. Rc3 Rb2 35. Rxc4 Rxc4 36. Rxh7+ Kg6 37. Kxb2 c1=Q# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.16"]
[White "Porth, Hartmut"]
[Black "Pavlov, Dmitriy"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1996"]
[BlackElo "1647"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "87"]
[EventDate "2025.04.18"]

1. e4 e6 2. Nc3 d5 3. g3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. d3 Be7 8. Bg2
O-O 9. O-O f6 10. Bh3 f5 11. Bg2 Re8 12. h4 Nf8 13. Qe2 a6 14. Nd1 b5 15. Nf2
Bd7 16. c3 Qc7 17. Bd2 Rec8 18. Ng5 h6 19. Nf3 Be8 20. Nh2 Bf7 21. h5 Rab8 22.
a3 a5 23. g4 fxg4 24. Nfxg4 Kh8 25. Ne3 b4 26. axb4 axb4 27. Nc2 bxc3 28. bxc3
Na5 29. f5 exf5 30. e6 Bxe6 31. Bf4 Bd6 32. Bxd6 Qxd6 33. Rxa5 Qb6 34. Ra2 Re8
35. Qf2 Bf7 36. Qxf5 Qb3 37. Qxf7 Rbd8 38. Rfa1 Re2 39. Ra7 Qxc3 40. d4 Ne6 41.
Ra8 Qxc2 42. Rxd8+ Nxd8 43. Qf8+ Kh7 44. Bh3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.17"]
[White "Majewski, Nico"]
[Black "Pothast, Laurenz"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1631"]
[BlackElo "1944"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "93"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Bg5
h6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Rb1 Be6 12. b4 Ne7 13. Nxe7+ Qxe7 14. b5 d5 15.
cxd5 Bxd5 16. Qc2 e4 17. Ne1 Rfe8 18. e3 f5 19. dxe4 fxe4 20. Nd3 exd3 21.
Bxd5+ Kh7 22. Qd2 Rab8 23. Rfd1 Red8 24. Bc4 Rd6 25. Bxd3 Rbd8 26. Qc2 R8d7 27.
Be2 Qd8 28. Rxd6 Rxd6 29. Rd1 Rxd1+ 30. Qxd1 Qxd1+ 31. Bxd1 c5 32. bxc6 bxc6
33. Kf1 Kg8 34. Bb3+ Kf8 35. Ke2 Ke7 36. h4 Bc3 37. g4 Bf6 38. h5 g5 39. Kd3
Bb2 40. Ke4 Kf6 41. f4 Bc1 42. Kf3 Bd2 43. Bd1 Bc1 44. fxg5+ Kxg5 45. Ke4 Kf6
46. Kd3 Ke5 47. Bb3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.18"]
[White "Soost, Stefan"]
[Black "Kock, Rudolf"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1934"]
[BlackElo "1627"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "47"]
[EventDate "2025.04.18"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 Nd7 5. Qd2 h5 6. Nf3 Bh6 7. Bc4 Nb6 8. Bb3
Bxe3 9. Qxe3 Nh6 10. O-O-O Bg4 11. h3 Bxf3 12. Qxf3 e6 13. Kb1 Qe7 14. g4 h4
15. Qe3 g5 16. f4 Rg8 17. Nb5 c6 18. fxg5 Qxg5 19. Nc7+ Kd7 20. Qxg5 Rxg5 21.
Nxa8 Nxa8 22. Rhf1 Nc7 23. Rf6 Nxg4 24. Rxf7+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.19"]
[White "Rojas Albores, Graciela Ivonne"]
[Black "Alpers, Arne"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1619"]
[BlackElo "1922"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "102"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 g6 8.
O-O Bg7 9. Re1 O-O 10. h3 b5 11. e5 Ne8 12. Bf4 Nc7 13. d4 Ne6 14. d5 Nxf4 15.
dxc6 Qc7 16. Nd5 Nxd5 17. Qxd5 Rac8 18. a4 b4 19. Rad1 Qxc6 20. exd6 exd6 21.
b3 Qxd5 22. Rxd5 Rfd8 23. Re7 a6 24. Nd2 Bf8 25. Ra7 Rc6 26. Nc4 Re8 27. Na5
Rb6 28. Nc4 Rc6 29. Na5 Re1+ 30. Kh2 Rc8 31. Nc4 Re2 32. Rd2 Rce8 33. Nxd6 Rxd2
34. Nxe8 Rxf2 35. Rxa6 Rxc2 36. Nf6+ Kg7 37. Nd5 Rb2 38. Rb6 Rxb3 39. a5 c4 40.
a6 c3 41. a7 Ra3 42. Nxb4 Bxb4 43. Rxb4 Rxa7 44. Rc4 Ra3 45. Kg1 Kf6 46. Kf1 h5
47. g4 c2 48. Rxc2 Rxh3 49. gxh5 Rxh5 50. Rf2+ Rf5 51. Rxf5+ Kxf5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.20"]
[White "Schiller, Thomas"]
[Black "Mkrtchyan, Nona"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1877"]
[BlackElo "1599"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "113"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 h6 5. f4 Bc5 6. Nf3 d6 7. Na4 Bg4 8. Nxc5
dxc5 9. O-O O-O 10. c3 exf4 11. Bxf4 g5 12. Be3 Ne5 13. Bxc5 Nxc4 14. Bxf8 Ne3
15. Qe2 Nxf1 16. Bc5 b6 17. Bd4 Nxh2 18. Kxh2 Nh5 19. g3 c5 20. Bf2 Qd7 21. Qe3
f5 22. Ne5 Qe6 23. Nxg4 fxg4 24. d4 Rf8 25. d5 Qe5 26. Rd1 Rf3 27. Qe1 Kf8 28.
d6 Ke8 29. Rd5 Qe6 30. Rd2 Nf6 31. e5 Nd7 32. Qe4 Nxe5 33. d7+ Qxd7 34. Rxd7
Kxd7 35. Qxe5 Rxf2+ 36. Kg1 Rxb2 37. Qd5+ Kc7 38. Qe6 b5 39. Qa6 h5 40. Qxa7+
Kc6 41. Qf7 Kb6 42. Qxh5 Rxa2 43. Qxg4 Ra3 44. Qxg5 b4 45. cxb4 cxb4 46. Kf2
Rc3 47. Ke2 b3 48. Qf6+ Rc6 49. Qd4+ Rc5 50. g4 Kb5 51. Kd1 Rc4 52. Qd7+ Kb4
53. g5 b2 54. Qb7+ Ka3 55. Qa6+ Ra4 56. Qxa4+ Kxa4 57. Kc2 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.21"]
[White "Wang, Kaichen"]
[Black "Richter, Thomas"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1599"]
[BlackElo "1876"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "94"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. dxc5 Bxc3+ 6. bxc3 Nc6 7. Bg5 Qa5 8.
Qc2 Qxc5 9. Bxf6 gxf6 10. e3 b6 11. Be2 Bb7 12. Rd1 Ne5 13. Qd2 Bxf3 14. Bxf3
Nxf3+ 15. gxf3 Qc6 16. Qe2 Ke7 17. e4 d6 18. Qd3 e5 19. h4 h5 20. Rg1 Rhg8 21.
Rg3 Rg6 22. Ke2 Rag8 23. Rdg1 Qa4 24. Rxg6 Rxg6 25. Ra1 Rg8 26. Ke3 Rc8 27. Rd1
Qa3 28. Qd5 Qxc3+ 29. Qd3 Rxc4 30. Ke2 Qxd3+ 31. Rxd3 Rc2+ 32. Rd2 Rxd2+ 33.
Kxd2 b5 34. Kc3 a5 35. a3 d5 36. Kd3 d4 37. f4 Kd6 38. f5 Kc5 39. f3 b4 40.
axb4+ Kxb4 41. Kc2 a4 42. Kb2 a3+ 43. Ka2 d3 44. f4 d2 45. fxe5 d1=Q 46. e6
Qc2+ 47. Ka1 Qb2# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.22"]
[White "Haertel, Leon"]
[Black "Bezverkhiy, Dmitry"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1855"]
[BlackElo "1598"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bd2 O-O 6. e3 b6 7. Bd3 Bb7 8. a3
Bxc3 9. Bxc3 d6 10. Qc2 Ne4 11. O-O-O Nd7 12. Be1 a5 13. Rg1 Ndf6 14. Nd2 Rc8
15. Nb3 a4 16. Na1 Qd7 17. f3 Ng5 18. h4 Nxf3 19. gxf3 Bxf3 20. Rd2 Ng4 21. e4
Ne3 22. Qc3 f4 23. Rc2 Rcd8 24. Rf2 Bh5 25. Bd2 c5 26. Nc2 cxd4 27. Nxd4 d5 28.
exd5 exd5 29. Bxe3 fxe3 30. Rxf8+ Rxf8 31. Ne6 Rf6 32. Qxf6 Bg6 33. Qf8# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.23"]
[White "Winklmann, Alexander"]
[Black "Rudolph, Max"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1593"]
[BlackElo "1864"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "116"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg4 5. Be2 c6 6. h3 Bxf3 7. Bxf3 Nbd7 8.
Be3 Qa5 9. O-O Bg7 10. Qd2 O-O 11. Rfd1 Rfe8 12. a3 Rad8 13. Rab1 Qc7 14. Rbc1
Nb6 15. b3 a6 16. Ne2 e5 17. Ng3 exd4 18. Bxd4 Nbd7 19. c4 Nc5 20. Qb2 Ncd7 21.
Bg4 Nxg4 22. hxg4 Bxd4 23. Qxd4 Nc5 24. Rc3 Ne6 25. Qd2 Nc5 26. Qd4 Ne6 27. Qd2
Nc5 28. Qd4 Qe7 29. Re1 Qe5 30. Qxe5 dxe5 31. b4 Ne6 32. Nf1 Rd4 33. f3 Red8
34. Kf2 Nf4 35. Ree3 Nd3+ 36. Ke2 Nb2 37. Rb3 Nxc4 38. Red3 Rxd3 39. Rxd3 Rxd3
40. Kxd3 Nxa3 41. Ne3 Kf8 42. g5 Ke7 43. Kc3 Nb5+ 44. Kc4 b6 45. Kd3 Nd6 46. g3
b5 47. f4 Ke6 48. Ng4 Nc4 49. Nh6 exf4 50. gxf4 a5 51. f5+ gxf5 52. exf5+ Ke5
53. bxa5 Nxa5 54. f6 Ke6 55. Kc3 c5 56. Ng4 Kf5 57. Nh6+ Kxg5 58. Nxf7+ Kxf6
0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.24"]
[White "Schwarzkopf, Jörg"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1863"]
[BlackElo "1589"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "76"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O Be7 6. Nbd2 c5 7. b3 O-O 8. Bb2
Nc6 9. Re1 Bg6 10. Nh4 Bh5 11. Nhf3 Qc7 12. a3 b5 13. e4 d4 14. Rf1 e5 15. Qe1
Nd7 16. Bc1 f5 17. exf5 Rxf5 18. Qe4 Raf8 19. Nh4 R5f6 20. Ndf3 h6 21. g4 Rf4
22. Bxf4 Rxf4 23. Qe2 Rxg4 24. Nf5 e4 25. dxe4 Nde5 26. Ng3 Rh4 27. Rad1 Bg5
28. Rfe1 d3 29. Rxd3 Nd4 30. Rxd4 cxd4 31. Nxh5 Nxf3+ 32. Bxf3 Qxh2+ 33. Kf1
Rxh5 34. Qxb5 Bh4 35. Qe8+ Kh7 36. Re2 Rg5 37. Ke1 Rg1+ 38. Kd2 Qf4+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.25"]
[White "Koop, Michael"]
[Black "Strate, Gerda"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1569"]
[BlackElo "1848"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "66"]
[EventDate "2025.04.18"]

1. f4 d5 2. c4 e6 3. cxd5 exd5 4. Nf3 Nf6 5. e3 Bd6 6. Nc3 c6 7. b3 Qe7 8. Be2
Bg4 9. O-O Nbd7 10. Bb2 O-O-O 11. Rc1 Kb8 12. h3 Bxf3 13. Rxf3 Rhg8 14. g4 g5
15. Qf1 Ne4 16. d3 Nd2 17. Qf2 Nxf3+ 18. Bxf3 gxf4 19. exf4 f5 20. Re1 Qf8 21.
Ne2 Nc5 22. Rd1 Ne6 23. Kh1 Nxf4 24. Nxf4 Bxf4 25. Bd4 a6 26. Bxd5 Rxd5 27.
Qxf4+ Ka8 28. gxf5 Qxf5 29. Qe3 Rf8 30. Re1 c5 31. Bg7 Qf3+ 32. Kg1 Qxe3+ 33.
Rxe3 Rg8 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.26"]
[White "Knaak, Michael"]
[Black "Köhler, Nils"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1842"]
[BlackElo "1513"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "17"]
[EventDate "2025.04.18"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. Bd3 cxd4 7. Qh5+ g6 8.
Bxg6+ hxg6 9. Qxg6# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.27"]
[White "Abram, Kristina-Maria"]
[Black "Skibbe, Kai"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1477"]
[BlackElo "1840"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "56"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 dxc4 5. e4 c5 6. Bxc4 cxd4 7. Nce2 Qa5+ 8.
Bd2 Bb4 9. Bd3 e5 10. Nf3 Nc6 11. O-O Be6 12. Ng5 Bxd2 13. Nxe6 fxe6 14. Bc4
O-O-O 15. Bxe6+ Kb8 16. a3 Bh6 17. Nc1 Bxc1 18. Rxc1 Nxe4 19. Re1 Nf6 20. Qb3
d3 21. Red1 Rd6 22. Rxd3 Nd4 23. Rxd4 Rxd4 24. Qc2 a6 25. b4 Qb6 26. Bf5 Rhd8
27. h3 Rd2 28. Qe4 Nxe4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.28"]
[White "Speck, Jakob"]
[Black "Wang, Huanying"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1817"]
[BlackElo "1422"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "53"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nc3 e5 3. f4 g6 4. Bc4 Nc6 5. Nf3 Be7 6. Nxe5 Nxe5 7. fxe5 b6 8.
O-O Bb7 9. Bxf7+ Kf8 10. Bd5+ Nf6 11. Bxb7 Kg7 12. exf6+ Bxf6 13. Bxa8 Bd4+ 14.
Kh1 Qxa8 15. Nd5 Qd8 16. Qf3 Rf8 17. Qxf8+ Qxf8 18. Rxf8 Kxf8 19. d3 Kg7 20.
Bd2 h6 21. Bc3 Bxc3 22. bxc3 d6 23. Rf1 b5 24. d4 a5 25. e5 dxe5 26. dxe5 g5
27. e6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.29"]
[White "Krause, Ortwin"]
[Black "Kellner, Anton"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1797"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "50"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. h3 g6 6. Bc4 Bg7 7. d3 e6 8. O-O Nge7
9. Bg5 O-O 10. Qd2 Qb6 11. Rfb1 Re8 12. Bh6 Nb4 13. Bxg7 Kxg7 14. Ne2 d5 15.
Nf4 dxc4 16. Nh5+ gxh5 17. Qg5+ Ng6 18. e5 Qd8 19. Qxh5 Nxc2 20. Rc1 cxd3 21.
g4 Qd5 22. Ng5 h6 23. Nxf7 Kxf7 24. Qxh6 Rh8 25. Qg5 Qxe5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.30"]
[White "Heins, Simon"]
[Black "Sengupta, Aroop Ratan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1777"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "79"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. h3 h6 7. c3 Na5 8. Bxf7+
Kxf7 9. b4 Bxb4 10. cxb4 Nc6 11. Re1 Rf8 12. Bb2 Be6 13. b5 Ne7 14. d4 exd4 15.
Qxd4 Kg8 16. e5 Nf5 17. Qf4 Nd5 18. Qe4 Re8 19. Nc3 Nxc3 20. Bxc3 d5 21. Qd3
Qd7 22. Nd4 Nxd4 23. Bxd4 c5 24. Bxc5 Bf5 25. Qb3 Kh8 26. Bd6 Be4 27. f3 Bf5
28. Qxd5 Be6 29. Qd3 Qf7 30. a4 Rad8 31. Rac1 Qh5 32. Rc7 Bc8 33. f4 Qh4 34.
Rf1 Rd7 35. Qg6 Qd8 36. Rxd7 Bxd7 37. f5 Qa5 38. f6 Rg8 39. fxg7+ Rxg7 40. Rf8+
1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.31"]
[White "Sengupta, Arjun"]
[Black "Loayza, Ignacio"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "1811"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "66"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Nf3 g6 6. Be3 Bg7 7. Bd3 O-O 8.
Qd2 Re8 9. Bh6 Bh8 10. O-O Nc6 11. h3 a6 12. Rae1 b5 13. Ne2 Ne4 14. Bxe4 dxe4
15. Ng5 Nxd4 16. Nxd4 Qxd4 17. Qxd4 Bxd4 18. c3 Bh8 19. Rxe4 e6 20. f4 Bb7 21.
Ree1 Bd5 22. a3 Rad8 23. Kh2 Bc4 24. Rf3 Rd2 25. b4 Red8 26. Ra1 Re2 27. Kg3 f6
28. Nxe6 Bxe6 29. h4 Rdd2 30. Rg1 Bd5 31. Rff1 Bxg2 32. Rc1 Re3+ 33. Kh2 Rh3#
0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.32"]
[White "Wang, Kaiwen"]
[Black "Falke, Franziska"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1749"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 b6 4. dxc5 bxc5 5. Qd5 Nc6 6. Qxc6+ Bd7 7. Qa6 Nf6 8.
Qd3 g6 9. c4 Bg7 10. Nc3 O-O 11. Be2 e5 12. O-O Rb8 13. b3 Qb6 14. Bg5 Bg4 15.
Rfd1 Rfd8 16. Bxf6 Bxf6 17. Nd5 Qa6 18. Nxf6+ Kg7 19. Nxg4 Qc8 20. h3 h5 21.
Ne3 a5 22. Nd5 Qd7 23. Qe3 f6 24. Nh4 Rb7 25. Qf3 Qf7 26. Rd3 Rf8 27. Nf5+ Kh7
28. Nxd6 Qg7 29. Nxb7 Qxb7 30. Nxf6+ Kg7 31. Rd7+ Kh8 32. Rxb7 Rd8 33. Rh7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.33"]
[White "De Vries, Anakin"]
[Black "Thürauf, Peter"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1772"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "84"]
[EventDate "2025.04.18"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 e6 7. Bc4 Nb6 8. Bb3
dxe5 9. Nxe5 Nc6 10. Nxc6 bxc6 11. O-O Bd6 12. Nc3 O-O 13. Ne4 Bb8 14. Bc2 Nd5
15. b3 Qc7 16. g3 a5 17. Bb2 Rd8 18. Qf3 Nb4 19. Bb1 Ba7 20. Ng5 h6 21. Ne4
Bxd4 22. Bxd4 Rxd4 23. a3 Na6 24. Bc2 Bb7 25. Rfd1 Rad8 26. Rxd4 Rxd4 27. Rd1
Qd8 28. Rxd4 Qxd4 29. Nc3 Nc5 30. b4 axb4 31. axb4 Qxb4 32. Qd1 g6 33. Qd2 Kg7
34. h3 e5 35. Qe3 Qd4 36. Qf3 f5 37. Ne2 Qd5 38. Qxd5 cxd5 39. f4 Kf6 40. Kf2
Ne4+ 41. Ke3 d4+ 42. Kd3 Ba6# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.34"]
[White "Perschk, Bendix"]
[Black "Gökten, Aras"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1769"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "60"]
[EventDate "2025.04.18"]

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 g6 5. Qh4 Nf6 6. Nc3 Bg7 7. Nxe4 Nxe4 8.
Qxe4 Bf5 9. Qb4 Qc7 10. d3 a5 11. Qc4 O-O 12. a4 Be6 13. Qe4 Bxb3 14. cxb3 Nd7
15. Ne2 Nc5 16. Qc4 b6 17. O-O Rad8 18. Bf4 e5 19. d4 exf4 20. dxc5 f3 21. Qf4
Qxf4 22. Nxf4 fxg2 23. Kxg2 bxc5 24. Rac1 Bh6 25. Rc4 Rd4 26. Rxd4 cxd4 27. Nd3
Rb8 28. Kf3 Rxb3 29. Ke4 Bg7 30. Rc1 f5+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.35"]
[White "Hajjar, Ahmad"]
[Black "Iachanou, Daniel"]
[Result "0-1"]
[ECO "D46"]
[BlackElo "1704"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "60"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Nbd7 5. Nf3 c6 6. Bd3 dxc4 7. Bxc4 Bd6 8.
O-O O-O 9. Re1 a6 10. e4 e5 11. d5 c5 12. a3 h6 13. b3 Nh5 14. Ne2 f5 15. Ng3
Nxg3 16. hxg3 fxe4 17. Nd2 Nf6 18. Nxe4 Nxe4 19. Rxe4 Qf6 20. Re2 Bg4 21. f3
Bd7 22. Bb2 Qg5 23. Bxe5 Bxe5 24. f4 Bxf4 25. gxf4 Qxf4 26. Re7 Qf2+ 27. Kh1
Rf4 28. g3 Qxg3 29. Re2 Rh4+ 30. Rh2 Qxh2# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.36"]
[White "Ikwuka, God´sfavour"]
[Black "Lascheit, Andreas"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1628"]
[Annotator "https://lichess.org/@/Tarantino674"]
[PlyCount "98"]
[EventDate "2025.04.18"]

1. e4 c5 2. f4 d6 3. c3 Nf6 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8.
Nc3 Nxc3 9. bxc3 Nb8 10. Be2 Qxc3+ 11. Bd2 Qc5 12. Qb3 Nd7 13. Be3 Qa5+ 14. Nd2
Nf6 15. Bf3 b5 16. O-O Bb7 17. a4 a6 18. Rfb1 Rb8 19. axb5 Qxb5 20. Qxb5+ axb5
21. Rxb5 Kd8 22. Rab1 Kc8 23. Ba7 Ra8 24. Rxb7 Nd7 25. Bf2 g6 26. h3 Bg7 27.
Ra7 Rxa7 28. Bxa7 e5 29. dxe6 fxe6 30. Nc4 d5 31. Nb6+ Nxb6 32. Rxb6 Bd4+ 33.
Kf1 Bxb6 34. Bxb6 Kb7 35. Bd4 Rc8 36. Kf2 Rc4 37. Be5 Kc6 38. Bg4 Kd7 39. Be2
Rc2 40. Kf3 Kc6 41. Bd3 Rd2 42. Be2 Ra2 43. g3 Kc5 44. Bf1 Ra3+ 45. Kg4 d4 46.
Bg7 d3 47. Bf8+ Kc4 48. Bxa3 Kc3 49. Bxd3 Kxd3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.1"]
[White "Colpe, Malte"]
[Black "Richter, Thomas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2373"]
[BlackElo "1876"]
[PlyCount "41"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Nbd2 Bxf4 6. exf4 Nc6 7. c3 Bd7 8.
Bd3 Ne7 9. Qe2 c6 10. Ne5 g6 11. Ndf3 O-O 12. O-O-O Nf5 13. h4 Ng7 14. Rde1 Qc7
15. Kb1 Rae8 16. Qd2 Re7 17. h5 Nfxh5 18. g4 Nxf4 19. Qxf4 f5 20. Qh6 Ne8 21.
Nxg6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.2"]
[White "Rudolph, Max"]
[Black "Koniahli, Malek"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1864"]
[BlackElo "2309"]
[PlyCount "116"]
[EventDate "2025.04.18"]

1. e4 c5 2. b3 Nc6 3. Bb2 a6 4. Nc3 e6 5. Nf3 Qc7 6. Be2 Nf6 7. O-O Bd6 8. Re1
Ng4 9. h3 Nge5 10. Rb1 O-O 11. a4 b6 12. Nxe5 Bxe5 13. Bc4 Bb7 14. Ne2 Bxb2 15.
Rxb2 Qe5 16. Nc3 Nd4 17. Rb1 f5 18. Bd3 Qf6 19. Qh5 g6 20. Qh6 fxe4 21. Nxe4
Bxe4 22. Bxe4 d5 23. Bd3 Qxf2+ 24. Kh2 Qf6 25. Qe3 Rae8 26. c3 Nf5 27. Qe5
Qxe5+ 28. Rxe5 a5 29. Rbe1 Ng7 30. Bb5 Rd8 31. R5e2 Kf7 32. Kg1 Ke7 33. Re5 Kd6
34. Bd3 Rf4 35. R5e3 Rdf8 36. Rf1 Rxf1+ 37. Bxf1 e5 38. Re2 e4 39. Rf2 Rf5 40.
Be2 Ke5 41. Bg4 Rxf2 42. Kxf2 h5 43. Bd7 h4 44. g3 g5 45. Bc8 d4 46. Bb7 Nf5
47. gxh4 gxh4 48. Ba6 Kf4 49. Bb5 e3+ 50. dxe3+ dxe3+ 51. Ke1 Nd6 52. Bd3 Ne4
53. c4 Nd2 54. Bc2 Nf3+ 55. Kf1 e2+ 56. Kxe2 Nd4+ 57. Kd2 Nxc2 58. Kxc2 Kg3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.3"]
[White "Holinka, Henning"]
[Black "Haertel, Leon"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2292"]
[BlackElo "1855"]
[Annotator "HSK-Turnier"]
[PlyCount "77"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Qb6 7. Nb3 Qd8 8.
Nd4 Qb6 9. Nb3 Qd8 10. Qd2 Nf6 11. Nc3 d6 12. f3 O-O 13. Be2 b6 14. O-O Be6 15.
Nd4 Nxd4 16. Bxd4 Rc8 17. b3 Nd7 18. Be3 Nc5 19. Rac1 Qd7 20. Nd5 Bxd5 21. cxd5
f5 22. b4 Na4 23. Bd4 Bxd4+ 24. Qxd4 fxe4 25. fxe4 Rxc1 26. Rxc1 Rc8 27. Rc6 e5
28. Qc4 Rf8 29. Rc7 Qd8 30. Rxa7 Qf6 31. Bf3 b5 32. Qc7 Rf7 33. Qb8+ Kg7 34.
Rxf7+ Qxf7 35. Qxd6 Qf4 (35... Qf5) 36. Qe7+ Kh6 37. h4 Qe3+ 38. Kh2 Qf4+ 39.
Kh3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.4"]
[White "Strate, Gerda"]
[Black "Bracker, Arne"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1848"]
[BlackElo "2289"]
[PlyCount "94"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. h3
O-O 9. Nc3 h6 10. Nd5 Rb8 11. c3 Nxd5 12. Bxd5 Ne7 13. Bb3 Bb6 14. d4 Ng6 15.
dxe5 dxe5 16. Qe2 Qf6 17. Be3 Nf4 18. Bxf4 Qxf4 19. Nh2 Bb7 20. Rae1 Rbd8 21.
Qg4 Rd2 22. Qxf4 exf4 23. Nf3 Rxb2 24. Ne5 a5 25. Nd3 Rd2 26. Nxf4 a4 27. Rd1
Rxd1 28. Bxd1 Bxe4 29. Be2 c6 30. Rd1 Rd8 31. Nd3 Kf8 32. Kf1 Ba5 33. Nb4 Rxd1+
34. Bxd1 Ke7 35. f3 Bxb4 36. cxb4 Bd3+ 37. Kf2 Kd6 38. g3 Kd5 39. Ke3 Bc4 40.
a3 c5 41. bxc5 Kxc5 42. Kd2 b4 43. Bxa4 bxa3 44. Kc3 a2 45. Kb2 Kd4 46. g4 g5
47. Bc6 Ke3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.5"]
[White "Kotyk, Michael"]
[Black "Knaak, Michael"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2239"]
[BlackElo "1842"]
[PlyCount "51"]
[EventDate "2025.04.18"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Be7 5. g3 d6 6. Bg2 O-O 7. O-O Ne4 8. Qb3
Kh8 9. h4 c6 10. Nxe4 fxe4 11. Ng5 d5 12. f3 h6 13. Nh3 exf3 14. exf3 Bf6 15.
Be3 e5 16. cxd5 exd4 17. Bf2 Bxh3 18. Bxh3 Qb6 19. Rad1 Qxb3 20. axb3 c5 21. b4
b6 22. bxc5 bxc5 23. Ra1 Rf7 24. Rfc1 Rc7 25. f4 a5 26. d6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.6"]
[White "Skibbe, Kai"]
[Black "Keyser, Robin"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1840"]
[BlackElo "2169"]
[PlyCount "92"]
[EventDate "2025.04.18"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Nf6 6. Bd3 Bg4 7. Qb3 Qd7 8.
Nd2 e6 9. Ngf3 Bd6 10. Ne5 Qc7 11. Nxg4 Bxf4 12. Nxf6+ gxf6 13. g3 Bxd2+ 14.
Kxd2 O-O-O 15. f4 h5 16. Rae1 h4 17. Qc2 Rdg8 18. Rhg1 hxg3 19. hxg3 Rh3 20.
Re3 Kb8 21. Kd1 Ne7 22. Qf2 f5 23. Kc1 Ng6 24. Rf3 Rgh8 25. Bf1 Rh2 26. Rg2
R2h6 27. Rg1 a6 28. Re3 Ne7 29. Rf3 Ng8 30. Bd3 Nf6 31. Rg2 Rh1+ 32. Rg1 Ng4
33. Qe1 R1h2 34. Be2 Qa5 35. Kb1 Qa4 36. Rd3 Nf2 37. Rd2 Ne4 38. Rc2 Qe8 39.
Bd3 Qg8 40. Bxe4 fxe4 41. Rxh2 Rxh2 42. g4 Qh7 43. Qe3 Rh3 44. Rg3 Rh1+ 45. Kc2
Qh2+ 46. Kb3 Rb1 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.7"]
[White "Reddmann, Hauke"]
[Black "Speck, Jakob"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2171"]
[BlackElo "1817"]
[PlyCount "81"]
[EventDate "2025.04.18"]

1. d4 c5 2. d5 Nf6 3. Nc3 e5 4. e4 d6 5. a4 Be7 6. Bb5+ Nbd7 7. Nf3 O-O 8. Nd2
Ne8 9. Bd3 g6 10. a5 a6 11. Nc4 b5 12. axb6 Nxb6 13. Na5 Bd7 14. Qe2 Qc8 15.
Bh6 Ng7 16. O-O f5 17. Nc6 Bxc6 18. dxc6 Qxc6 19. Bxa6 fxe4 20. Bb5 Qb7 21.
Nxe4 Rfd8 22. Bxg7 Kxg7 23. c4 Rxa1 24. Rxa1 Qc7 25. g3 Nxc4 26. Bxc4 d5 27.
Bd3 dxe4 28. Bxe4 c4 29. Rc1 Rd4 30. Kg2 Bg5 31. Rc2 Qd6 32. h4 Rd2 33. Qxc4
Rxc2 34. Bxc2 Bd2 35. Bb3 Bb4 36. Qf7+ Kh6 37. g4 g5 38. Qh5+ Kg7 39. Qxg5+ Kf8
40. Qg8+ Ke7 41. Qxh7+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.8"]
[White "Kellner, Anton"]
[Black "Holmsgaard, Henrik"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1797"]
[BlackElo "2146"]
[PlyCount "33"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nc6 5. Nc3 Nf6 6. Bd3 dxc4 7. Bxc4 a6 8. dxc5
Qxd1+ 9. Kxd1 Bxc5 10. Ke2 b5 11. Bd3 Bb7 12. a3 Ke7 13. b4 Bd6 14. Bb2 Rhd8
15. Rhd1 g6 16. Rac1 Rac8 17. g3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.9"]
[White "Kahlert, Thomas"]
[Black "Heins, Simon"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2104"]
[BlackElo "1777"]
[PlyCount "74"]
[EventDate "2025.04.18"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 cxd4 8.
Nxd4 a6 9. b3 Ne4 10. Bxe4 Nxd4 11. Bb2 d6 12. Qd2 Rb8 13. Nd5 Ne6 14. Bxg7
Kxg7 15. Bg2 Bd7 16. Rac1 Bc6 17. Rfd1 Nc7 18. h4 Nxd5 19. cxd5 Bd7 20. h5 h6
21. Qd4+ Kh7 22. Be4 Bb5 23. Rc3 Qe8 24. Rd2 Rc8 25. Rf3 f5 26. Bc2 Bd7 27. e4
fxe4 28. Rxf8 Qxf8 29. Bxe4 Bf5 30. hxg6+ Kg8 31. Re2 Bg4 32. Re3 Rc1+ 33. Kg2
Rd1 34. Rd3 Re1 35. Rc3 h5 36. f3 Re2+ 37. Kg1 Bh3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.10"]
[White "Malchereck, Zion"]
[Black "Wang, Kaiwen"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2063"]
[BlackElo "1749"]
[PlyCount "73"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 d6 8. O-O
Bg4 9. Nbd2 Nh5 10. c3 Nxg3 11. hxg3 h5 12. b4 Bb6 13. a4 a5 14. b5 Nb8 15. Qb3
f6 16. Bf7+ Ke7 17. Nc4 Nd7 18. Bd5 Rb8 19. Rad1 h4 20. d4 Qf8 21. Ne3 Bxf3 22.
Nf5+ Kd8 23. gxf3 hxg3 24. fxg3 c6 25. Be6 c5 26. dxc5 Nxc5 27. Qc4 Nxa4+ 28.
Kg2 Nb2 29. Qd5 Nxd1 30. Rxd1 Bc7 31. b6 Rh7 32. bxc7+ Kxc7 33. Nxd6 a4 34.
Qc5+ Kd8 35. Nf5+ Ke8 36. Qb5+ Rd7 37. Qxd7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.11"]
[White "Loayza, Ignacio"]
[Black "Atri, Jamshid"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1811"]
[BlackElo "2029"]
[PlyCount "106"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 Bg4 3. Bf4 Nc6 4. c3 e6 5. Nbd2 Nf6 6. h3 Bh5 7. Qa4 Nd7 8. e4
dxe4 9. Nxe4 Bxf3 10. gxf3 a6 11. Qb3 Nb6 12. O-O-O Na5 13. Qc2 Nd5 14. Bd2 b5
15. c4 Nxc4 16. Bxc4 bxc4 17. Qxc4 Qd7 18. Nc5 Qb5 19. Qxb5+ axb5 20. Kb1 Bxc5
21. dxc5 Kd7 22. Bc3 Rhg8 23. Rhg1 g6 24. Bd4 Kc6 25. b3 Rgd8 26. Kb2 b4 27. h4
h5 28. Rd2 Rd7 29. Rgd1 Rad8 30. Kb1 Ne7 31. Kc2 Nd5 32. Kb1 f6 33. Bb2 e5 34.
Rg1 Nf4 35. Rxd7 Rxd7 36. Bc1 Rg7 37. Bxf4 exf4 38. Rd1 g5 39. Rc1 g4 40. fxg4
hxg4 41. Kc2 Kxc5 42. Kd3+ Kd5 43. Ke2 Re7+ 44. Kd3 f5 45. Rc4 f3 46. h5 c5 47.
h6 Rh7 48. Ke3 Rxh6 49. Kf4 Rh2 50. Rc2 Rg2 51. Kxf5 g3 52. Rd2+ Kc6 53. Ke4
gxf2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.12"]
[White "Thürauf, Peter"]
[Black "Pittelkow, Andreas"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1772"]
[BlackElo "2010"]
[PlyCount "106"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. h3 e5 8. Be3
Bf5 9. Nc3 Ne4 10. d5 Nxc3 11. bxc3 Na5 12. Nd2 b6 13. Kh2 Bd7 14. Rb1 Qe7 15.
Qc1 h6 16. Nb3 Nxc4 17. Bxh6 f6 18. h4 Bxh6 19. Qxh6 Qg7 20. Qxg7+ Kxg7 21. Bh3
Bxh3 22. Kxh3 Rh8 23. Kg2 Rh5 24. Rh1 Rah8 25. e4 a5 26. Rbe1 a4 27. Nc1 Kf7
28. Rh3 g5 29. Reh1 g4 30. R3h2 Nd2 31. Rd1 Nxe4 32. c4 Rf5 33. Nd3 Rhh5 34.
Rhh1 Rf3 35. Rhe1 Nc3 36. Rd2 a3 37. Nb4 Ke7 38. Nc2 Kd7 39. Ne3 f5 40. Rc2 Na4
41. Rd2 Nc5 42. Rc2 Rh8 43. Nd1 Nd3 44. Ree2 Ke7 45. Rc3 Ra8 46. Re3 e4 47.
Rxf3 gxf3+ 48. Kf1 Nb4 49. Rc1 Nxa2 50. Ra1 Nb4 51. Ne3 Kf6 52. Nd1 a2 53. Nc3
Ra3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.13"]
[White "Hort, Max"]
[Black "Neumann, Hannes"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2007"]
[BlackElo "1655"]
[PlyCount "67"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 O-O 6. Be2 c5 7. c3 Nc6 8. dxc5
e5 9. O-O Be6 10. b4 h6 11. Bh4 g5 12. Bg3 Nd7 13. h3 f5 14. Nb3 g4 15. hxg4
fxg4 16. Nfd2 h5 17. e4 h4 18. Bh2 g3 19. fxg3 hxg3 20. Bxg3 Qg5 21. exd5 Bxd5
22. Nf3 Bxf3 23. Bxf3 Nf6 24. Qe1 e4 25. Bh4 Qg6 26. Be2 Rae8 27. Rd1 e3 28.
Rd6 Ne5 29. Nd4 Nd3 30. Qb1 Qh6 31. Bxf6 Nf4 32. Bxg7 Qxg7 33. Rxf4 Rxf4 34.
Rg6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.14"]
[White "Iachanou, Daniel"]
[Black "Porth, Hartmut"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1704"]
[BlackElo "1996"]
[PlyCount "17"]
[EventDate "2025.04.18"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. Bc4 Bg7 6. O-O Nxe4 7. Bxf7+ Kxf7 8.
Nxe4 d5 9. Nc5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.15"]
[White "Busch, Jonathan Luis"]
[Black "Soost, Stefan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1661"]
[BlackElo "1934"]
[PlyCount "42"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Qf3 Be7 8.
Bc4 O-O 9. O-O d6 10. h3 Be6 11. Bb3 Qa5 12. Bd2 Qc7 13. Rfd1 Rad8 14. Be3 Kh8
15. Rac1 Bd7 16. Ne2 Ng8 17. c4 f5 18. exf5 Bxf5 19. Qg3 Nf6 20. Nc3 Bg6 21.
Bc2 Bxc2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.16"]
[White "Alpers, Arne"]
[Black "Ikwuka, God´sfavour"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1922"]
[BlackElo "1628"]
[PlyCount "81"]
[EventDate "2025.04.18"]

1. d4 f5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 Be7 5. Bd3 d6 6. Ne2 c6 7. Nf4 g6 8. h4
Na6 9. c3 Qb6 10. Qc2 Bd7 11. a4 O-O-O 12. Nd2 d5 13. b4 Bd6 14. b5 Nb8 15. O-O
Bxf4 16. exf4 Qc7 17. c4 dxc4 18. Nxc4 Qxf4 19. d5 Be8 20. dxc6 bxc6 21. bxc6
Bxc6 22. Na5 Qc7 23. Nxc6 Qxc6 24. Qb3 Nd7 25. Rab1 Kc7 26. Bb5 Nc5 27. Qf7+
Rd7 28. Qxd7+ Qxd7 29. Bxd7 Kxd7 30. a5 Ne4 31. Rb7+ Kc6 32. Rxa7 h6 33. Rb1
Rd8 34. Rb6+ Kc5 35. Rc7+ Kd5 36. a6 Ra8 37. a7 Nc5 38. Rb8 Na6 39. Rxa8 Nxc7
40. Rc8 Kd6 41. Rxc7 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.17"]
[White "Marx, Jakob"]
[Black "Schiller, Thomas"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1589"]
[BlackElo "1877"]
[PlyCount "41"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. O-O d6 6. c3 O-O 7. Re1 Na5 8. Bb3
Nxb3 9. Qxb3 Rb8 10. d4 d5 11. dxe5 Nxe4 12. Nbd2 Be6 13. Nd4 Bh4 14. Nxe4 dxe4
15. Nxe6 fxe6 16. Qxe6+ Kh8 17. Be3 Re8 18. Qf5 Qe7 19. Qxe4 Bf6 20. f4 a6 21.
Qf3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.18"]
[White "Gökten, Aras"]
[Black "Majewski, Nico"]
[Result "1/2-1/2"]
[ECO "D93"]
[BlackElo "1631"]
[PlyCount "46"]
[EventDate "2025.04.18"]

1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c6 7. Rc1 Nbd7 8. Be2
dxc4 9. Bxc4 Nb6 10. Bb3 Bg4 11. h3 Bxf3 12. Qxf3 Nfd7 13. Rd1 Qc8 14. O-O e5
15. Bh2 Qe8 16. Ne4 Qe7 17. Rd2 Rfe8 18. Rfd1 Nf6 19. dxe5 Nxe4 20. Qxe4 Bxe5
21. Bxe5 Qxe5 22. Qxe5 Rxe5 23. Rd8+ Re8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.19"]
[White "Pothast, Laurenz"]
[Black "Falke, Ornella"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1944"]
[BlackElo "2047"]
[PlyCount "130"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 h6 11. Bxf6 Bxf6 12. h4 Nb6 13. g5 Bxd4 14. Rxd4 Bd7
15. Qd3 hxg5 16. Rxd6 gxf4 17. e5 O-O-O 18. Ne4 Rh5 19. Qd4 Bc6 20. Bg2 Bxe4
21. Bxe4 Rxd6 22. exd6 Qc5 23. d7+ Nxd7 24. Bxb7+ Kxb7 25. Qxd7+ Qc7 26. Qd4 g5
27. Rh3 g4 28. Rc3 Qe7 29. Qxf4 Rf5 30. Qc4 Ka7 31. Qd4+ Kb7 32. Qe4+ Ka7 33.
Qd4+ Kb7 34. Rb3+ Rb5 35. Rxb5+ axb5 36. Qxg4 Qf6 37. Qg5 Qf1+ 38. Kd2 Qf2+ 39.
Kd3 Kc6 40. h5 Qf3+ 41. Kd4 Qf2+ 42. Ke5 Qxc2 43. Kf6 Qf2+ 44. Ke7 Qxb2 45. h6
Qh8 46. Qg7 Qb8 47. h7 Qa7+ 48. Kf8 Qb8+ 49. Kxf7 Qc7+ 50. Kf6 Qf4+ 51. Kxe6
Qe4+ 52. Kf7 Qd5+ 53. Kg6 Qg2+ 54. Kf6 Qb2+ 55. Kf7 Qxa2+ 56. Kf8 Qa8+ 57. Kf7
Qa7+ 58. Kg8 Qb8+ 59. Qf8 Qg3+ 60. Qg7 Qb8+ 61. Qf8 Qg3+ 62. Kf7 Qf4+ 63. Kg7
Qg4+ 64. Kh8 Qd4+ 65. Kg8 Qg4+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.20"]
[White "Fabig, Holger"]
[Black "Rojas Albores, Graciela Ivonne"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "2012"]
[BlackElo "1619"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Nxc3 Bb4 5. Bc4 c6 6. Nf3 Bxc3+ 7. bxc3 h6 8.
Qb3 Qe7 9. O-O b5 10. Bd3 d6 11. e5 Be6 12. Qc2 Nd7 13. Ba3 c5 14. Bxb5 Rb8 15.
Qa4 h5 16. exd6 Qxd6 17. Rad1 Qc7 18. Ng5 Ngf6 19. Rfe1 O-O 20. Nxe6 fxe6 21.
Bxd7 Nxd7 22. Rxd7 Qf4 23. Qxf4 Rxf4 24. Bxc5 Rc8 25. g3 Ra4 26. Bd4 Rxa2 27.
Rxe6 Rd2 28. Ree7 Rd1+ 29. Kg2 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.21"]
[White "Pavlov, Dmitriy"]
[Black "Schwarzkopf, Jörg"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1647"]
[BlackElo "1863"]
[PlyCount "87"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. O-O-O+
Kc8 8. Nf3 Nbd7 9. Bxf6 gxf6 10. Nd2 Rg8 11. Kb1 c6 12. f3 Kc7 13. g3 b5 14. a3
b4 15. axb4 Bxb4 16. Na2 Be7 17. Bc4 Rgb8 18. Bxe6 fxe6 19. Nc1 a5 20. c3 a4
21. Kc2 Nc5 22. Nc4 Nb3 23. Nxb3 axb3+ 24. Kd2 Ra4 25. Ne3 Ra2 26. Rb1 Rd8+ 27.
Ke2 Ba3 28. Nc4 Bc5 29. Rhd1 Rb8 30. Kf1 Ra4 31. Nd2 Be3 32. Ke2 Bh6 33. Ra1
Rxa1 34. Rxa1 Bxd2 35. Kxd2 Kd6 36. c4 f5 37. exf5 exf5 38. Kc3 Kc5 39. Re1 Kd6
40. Ra1 Rb7 41. Rd1+ Kc5 42. Re1 Kd6 43. Rd1+ Kc5 44. Re1 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.22"]
[White "Sharma, Rishi"]
[Black "Wang, Kaichen"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "1850"]
[BlackElo "1599"]
[PlyCount "69"]
[EventDate "2025.04.18"]

1. Nf3 c5 2. c4 e6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Bb4 6. Ndb5 a6 7. Nd6+ Bxd6 8.
Qxd6 Qe7 9. Qc7 Qd8 10. Qg3 Nh5 11. Qg4 g6 12. e4 Nc6 13. Be2 b6 14. O-O Bb7
15. Qh3 Ng7 16. Bh6 Qf6 17. Qe3 Nd4 18. e5 Ngf5 19. Qxd4 Qe7 20. Qd2 g5 21.
Bxg5 Rg8 22. f4 h6 23. Bxe7 Rxg2+ 24. Kh1 Rxe2+ 25. Qd5 Bxd5+ 26. cxd5 Rxb2 27.
Bf6 Rc8 28. Rac1 Rb8 29. d6 h5 30. Rg1 Kf8 31. Rg5 Rc8 32. Rcg1 Nh6 33. Be7+
Ke8 34. Rg8+ Nxg8 35. Rxg8# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.23"]
[White "Kock, Rudolf"]
[Black "Perschk, Bendix"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1627"]
[BlackElo "1769"]
[PlyCount "68"]
[EventDate "2025.04.18"]

1. f4 g6 2. Nf3 Nf6 3. Nc3 d5 4. e3 Bg7 5. a4 c5 6. Ne5 O-O 7. h3 d4 8. exd4
cxd4 9. Na2 Qd5 10. Qf3 Bf5 11. Qxd5 Nxd5 12. Bc4 Nxf4 13. Nxf7 Rxf7 14. O-O
Be6 15. Bxe6 Nxe6 16. Rxf7 Kxf7 17. d3 Na6 18. Bd2 Rc8 19. Rf1+ Ke8 20. Rc1 b6
21. b4 Kd7 22. b5 Nac5 23. a5 Nc7 24. axb6 axb6 25. Rb1 Nd5 26. Nb4 Nxb4 27.
Rxb4 e5 28. Rb2 Kc7 29. Bb4 Kb7 30. Rb1 Rc7 31. Rf1 e4 32. Bxc5 bxc5 33. dxe4
Kb6 34. Rb1 Re7 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.24"]
[White "Mkrtchyan, Nona"]
[Black "Fellberg, Justus"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1599"]
[BlackElo "1746"]
[PlyCount "80"]
[EventDate "2025.04.18"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Bb5 e6 5. Ne2 Nge7 6. Bg5 h6 7. Bxc6+ bxc6 8.
Bh4 Qb8 9. b3 Bh7 10. Nd2 Nf5 11. Bg3 c5 12. Nf3 Qb6 13. Bf4 cxd4 14. Nfxd4
Bb4+ 15. Kf1 Nxd4 16. Nxd4 Bc3 17. Be3 Bxa1 18. Qxa1 O-O 19. c3 c5 20. Nf3 Rfd8
21. Kg1 Qb5 22. h3 a5 23. Nd2 a4 24. Kh2 Qb8 25. f4 d4 26. cxd4 cxd4 27. Bxd4
Qb4 28. Bc3 Qxf4+ 29. Kg1 Rxd2 30. Bxd2 Qxd2 31. Qf1 Qe3+ 32. Kh2 Qxe5+ 33. g3
Qb2+ 34. Kg1 Rc8 35. Rh2 Qd4+ 36. Rf2 Rc2 37. bxa4 Rxa2 38. a5 Ra1 39. Kh2 Rxf1
40. Rxf1 Be4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.25"]
[White "Erk, Ben"]
[Black "Winklmann, Alexander"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1743"]
[BlackElo "1593"]
[Annotator "HSK-Turnier"]
[PlyCount "92"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nc3 O-O 5. e4 d6 6. Qd2 Bg4 7. h3 Bxf3 8.
gxf3 Nbd7 9. O-O-O Rc8 10. Bh6 c5 11. Bxg7 Kxg7 12. h4 cxd4 13. Qxd4 Qb6 14.
Qd2 h5 15. Rg1 Ne5 16. Rg3 Rc7 17. Bd3 Nxd3+ 18. cxd3 d5 19. Kb1 d4 20. Ne2
Rfc8 21. Rc1 Rxc1+ 22. Nxc1 Nd7 23. Qg5 Qc7 24. Qd2 Qb6 25. f4 Qf6 26. Rg5 Nf8
27. e5 Qc6 28. Nb3 Ne6 29. Rg1 Qf3 30. Rd1 Qxf4 31. Qxf4 Nxf4 32. Nxd4 Rd8 33.
Nb3 Rxd3 34. Rc1 Rd7 35. Kc2 Rc7+ 36. Kd2 Rxc1 37. Nxc1 Ng2 38. Ne2 Nxh4 39.
Ke3 Nf5+ 40. Kf4 f6 41. e6 Nd6 42. Nc3 g5+ 43. Kg3 Kg6 44. Nd5 Kf5 45. Nxe7+
Kxe6 46. Ng6 f5 {Ab hier unlesbar, Partie hat insg. 57 Züge} 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.26"]
[White "Bezverkhiy, Dmitry"]
[Black "Malchereck, Romeo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1598"]
[BlackElo "1740"]
[PlyCount "88"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 b6 5. Ngf3 Bb7 6. c3 Nbd7 7. Bd3 c5 8. O-O
Be7 9. Re1 O-O 10. Ne5 Nxe5 11. dxe5 Nd7 12. Qh5 g6 13. Qh3 Bg5 14. Bxg5 Qxg5
15. Nf3 Qe7 16. Qh6 Rfd8 17. Ng5 Nf8 18. f4 d4 19. cxd4 cxd4 20. Ne4 Bxe4 21.
Bxe4 Rac8 22. exd4 Rxd4 23. Bf3 Qb4 24. f5 exf5 25. Qe3 Ne6 26. Bd1 Qxb2 27.
Bb3 Re4 28. Qf2 Qxe5 29. Rxe4 fxe4 30. Rd1 e3 31. Qe2 Nd4 32. Qg4 Rd8 33. Bxf7+
Kxf7 34. Rf1+ Kg7 35. h4 e2 36. Re1 Qe3+ 37. Kh2 Qd2 38. Qg3 Ne6 39. Qe5+ Kf7
40. Rxe2 Qd6 41. Rf2+ Ke7 42. Qxd6+ Rxd6 43. Kg3 Rd3+ 44. Kg4 h5# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.28"]
[White "Köhler, Nils"]
[Black "Kollath, Leno"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1513"]
[BlackElo "1705"]
[PlyCount "64"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. Bf4 Qb6 7. b3 cxd4 8. c3
dxc3 9. Nxc3 Be7 10. Rc1 O-O 11. Be3 Qd8 12. Nd4 Nxd4 13. Bxd4 Bd7 14. Re1 Bc6
15. e4 Bb4 16. exd5 Nxd5 17. Bxd5 Bxd5 18. Bxg7 Kxg7 19. Qd4+ Qf6 20. Qxb4 Bc6
21. Ne4 Qh6 22. Qc3+ f6 23. Qe3 Qh3 24. f3 e5 25. Nc5 Rae8 26. Rcd1 Rf7 27. Ne4
Bxe4 28. Qxe4 a6 29. Rd5 Re6 30. Red1 Rfe7 31. Rd7 Kf7 32. Rxb7 Rxb7 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.29"]
[White "Lasschuit, Rene"]
[Black "Abram, Kristina-Maria"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1701"]
[BlackElo "1477"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. c4 Nf6 2. e3 e5 3. a3 Be7 4. b4 b6 5. Bb2 d6 6. Nf3 Bb7 7. d4 e4 8. Nfd2 d5
9. cxd5 Qxd5 10. Nc3 Qg5 11. Qc2 Qg6 12. Nb5 Na6 13. Nxc7+ Nxc7 14. Qxc7 Bd5
15. Rc1 O-O 16. Qxe7 Rfe8 17. Qd6 Rad8 18. Qg3 Qh5 19. Bb5 Re7 20. O-O h6 21.
Rc7 Re6 22. Nc4 Ne8 23. Rxa7 Rg6 24. Qf4 Rf6 25. Qe5 Rf5 26. Qe7 Rc8 27. Ne5
Rf6 28. Bxe8 Re6 29. Bxf7+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.30"]
[White "Lascheit, Andreas"]
[Black "Babychev, Mykhailo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1698"]
[PlyCount "102"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O e6 6. Nc3 Bd6 7. b3 Qc7 8. Bb2
Nbd7 9. Nh4 Bg6 10. Qd2 a6 11. a4 Be7 12. Ba3 Bxa3 13. Rxa3 c5 14. Nxg6 hxg6
15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 Nf6 18. Bg2 Rd8 19. c3 cxd4 20. cxd4 Qb6 21.
Rfa1 O-O 22. b4 Rd7 23. Rd3 Nd5 24. Bxd5 Rxd5 25. g4 Rfd8 26. g5 e5 27. a5 Qe6
28. Qe2 exd4 29. Qf3 Rxg5+ 30. Kh1 Qd5 31. Qxd5 Rgxd5 32. Kg2 Kf8 33. Kf3 f5
34. Ke2 g5 35. Rd2 Ke7 36. Kd3 Kd6 37. Kc4 Ke5 38. Re1+ Kf4 39. Re7 R5d7 40.
Rxd7 Rxd7 41. Kc5 d3 42. b5 Ke4 43. bxa6 bxa6 44. Kc6 Rd5 45. Kb6 Rd6+ 46. Kc5
Rh6 47. f3+ Ke3 48. Rd1 d2 49. Rg1 Rxh2 50. Kb6 Kf2 51. Rb1 Rh6+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.31"]
[White "Schranz, Patrick"]
[Black "Krause, Ortwin"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1696"]
[PlyCount "45"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Nge7 6. e3 Bg4 7. Be2 h6 8. Bh4
dxe3 9. Qxd8+ Rxd8 10. fxe3 g5 11. Bf2 Ng6 12. O-O Ngxe5 13. Nxe5 Nxe5 14. Bxg4
Nxg4 15. Nc3 Nxf2 16. Rxf2 Bc5 17. Raf1 Bxe3 18. Re1 Rd3 19. Nd5 O-O 20. Rxe3
Rd1+ 21. Rf1 Rd2 22. Rb3 Re8 23. Nf6+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.32"]
[White "Wang, Huanying"]
[Black "Lohmann, Rene"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1422"]
[BlackElo "1691"]
[PlyCount "56"]
[EventDate "2025.04.18"]

1. e4 e5 2. d3 Nf6 3. Bd2 Bc5 4. Nh3 d5 5. Bg5 dxe4 6. Be2 Nc6 7. O-O Bxh3 8.
gxh3 exd3 9. Qxd3 Qxd3 10. cxd3 Nd4 11. Bd1 O-O-O 12. Be3 Ne6 13. Be2 Nd4 14.
Bd1 Nd5 15. Bg5 f6 16. Bd2 Ne6 17. Bg4 Rhe8 18. Nc3 Nxc3 19. Bxc3 Kb8 20. Bxe6
Rxe6 21. Rad1 Red6 22. Kg2 Rxd3 23. Rxd3 Rxd3 24. f3 Kc8 25. h4 Bd4 26. Bxd4
Rxd4 27. Kg3 Kd7 28. b4 Rxb4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.33"]
[White "Sengupta, Aroop Ratan"]
[Black "Mi, Gufeng"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1659"]
[PlyCount "69"]
[EventDate "2025.04.18"]

1. e4 g5 2. d4 Bg7 3. Bxg5 c5 4. Be3 Qb6 5. Qc1 cxd4 6. Bd2 Nc6 7. Nf3 Nf6 8.
Bd3 d6 9. h3 Bd7 10. c3 Rc8 11. O-O Nb4 12. Bc2 d3 13. Na3 Nxc2 14. Nxc2 dxc2
15. Qxc2 h6 16. Rfe1 Bc6 17. Re3 Nh7 18. Rae1 Ng5 19. Nh4 e6 20. Kh1 Bf6 21. f4
Nxe4 22. Rxe4 Bxe4 23. Qxe4 Bxh4 24. Rf1 Qc6 25. Qe2 Rg8 26. f5 e5 27. Bxh6 Kd7
28. f6 Rg6 29. Bg7 Bxf6 30. Bxf6 Rxf6 31. Qg4+ Kc7 32. h4 Rg6 33. Qf5 Qd7 34.
Qd3 Rcg8 35. g3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.34"]
[White "Klaeke, Gregor"]
[Black "Sengupta, Arjun"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1655"]
[PlyCount "45"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 exd4 7. cxd4 Bb6 8.
e5 Ng4 9. h3 Nh6 10. Bxh6 gxh6 11. Nc3 d6 12. Qd2 Kg7 13. Qf4 dxe5 14. dxe5 Be6
15. Rad1 Qe7 16. Nd5 Bxd5 17. Bxd5 f6 18. e6 Nd8 19. Rfe1 c6 20. Bb3 Bc7 21.
Qg4+ Kh8 22. Rd7 Rg8 23. Qf5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.35"]
[White "Queißer, Jens"]
[Black "De Vries, Anakin"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1653"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c6 5. O-O Be7 6. Nbd2 O-O 7. c4 Nbd7 8. b3
Qc7 9. Bb2 b6 10. Qc2 h6 11. Rac1 Re8 12. cxd5 exd5 13. Qxc6 Qxc6 14. Rxc6 Bb7
15. Rc7 Ba6 16. Re1 Rec8 17. Rec1 Rxc7 18. Rxc7 Bd8 19. Rc1 Bxe2 20. Bh3 a6 21.
Re1 Bb5 22. a4 Bc6 23. Rc1 Rc8 24. Ne5 Rc7 25. Nxc6 Rc8 26. Ne7+ Kh7 27. Nxc8
g5 28. Bf5+ Kg7 29. Ba3 b5 30. Bd6 bxa4 31. bxa4 Ne8 32. Bxd7 Nxd6 33. Nxd6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.36"]
[White "Falke, Franziska"]
[Black "Busch, Lara Sophie"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1651"]
[PlyCount "70"]
[EventDate "2025.04.18"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. c4 Bxb1 5. Rxb1 Bb4+ 6. Ke2 dxc4 7. Qa4+ Nc6 8.
g3 h6 9. g4 Nf6 10. h3 a6 11. Bg2 Nd5 12. Nf3 b5 13. Qd1 Nxf4+ 14. exf4 Qd5 15.
a3 Ba5 16. b4 Bb6 17. Rg1 Qe4+ 18. Kf1 Qxf4 19. Qe2 O-O-O 20. Rd1 Bxd4 21. Nxd4
Nxd4 22. Qe1 Nc2 23. Qe2 Rxd1+ 24. Qxd1 Ne3+ 25. Ke2 Nxd1 26. Rxd1 Qe5+ 27. Kf1
Rd8 28. Re1 Qf4 29. Kg1 Rd2 30. Rf1 c3 31. Kh1 Rxf2 32. Rxf2 Qxf2 33. Kh2 c2
34. Kh1 c1=Q+ 35. Kh2 Qcg1# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.1"]
[White "Reddmann, Hauke"]
[Black "Colpe, Malte"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2171"]
[BlackElo "2373"]
[PlyCount "43"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 c5 5. c3 e5 6. Nf3 Nc6 7. Nbd2 cxd4 8.
exd4 e4 9. Nh4 Be6 10. f4 Qb6 11. Qb3 f5 12. Qxb6 axb6 13. g3 Be7 14. Ng2 Bd6
15. Be2 Ke7 16. a3 Rag8 17. Kf2 Nb8 18. Nf1 Nc6 19. Nfe3 Kf6 20. Nh4 Ne7 21.
Bd1 Rc8 22. Bb3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.2"]
[White "Koniahli, Malek"]
[Black "Malchereck, Zion"]
[Result "1-0"]
[ECO "E57"]
[WhiteElo "2309"]
[BlackElo "2063"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 Nc6 10. a3 Be7 11. Bb3 Qa5 12. Qe2 Rd8 13. Rd1 b6 14. Bg5 Nxd4 15.
Rxd4 Rxd4 16. Bxf6 Ba6 17. Qe3 Rd7 18. Bxe7 Rxe7 19. Rd1 Rc8 20. Rd5 exd5 21.
Qxe7 Bc4 22. Ne5 Rf8 23. Bc2 Qc5 24. Qh4 f5 25. Nf3 h6 26. Qf4 Qc6 27. h4 Qf6
28. Nd4 Kh8 29. b3 Ba6 30. Nxd5 Qd8 31. Ne6 Qxd5 32. Nxf8 Kg8 33. Ng6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.3"]
[White "Atri, Jamshid"]
[Black "Holinka, Henning"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2029"]
[BlackElo "2292"]
[PlyCount "136"]
[EventDate "2025.04.18"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h6 6. Qd2 b5 7. O-O-O Bb7 8. f3
Nd7 9. Kb1 Rc8 10. Nh3 c5 11. Nf2 Qa5 12. Ne2 Qc7 13. Rc1 Nb6 14. Ng3 e6 15. f4
h5 16. dxc5 dxc5 17. Rd1 Nh6 18. Be2 O-O 19. Qd6 Na4 20. Qxc7 Rxc7 21. Bc1 c4
22. Bf3 b4 23. Rd6 Bf6 24. Ne2 Be7 25. Rdd1 Kh7 26. Nh3 f6 27. Nd4 Nc5 28. Rhe1
e5 29. Ne2 Nxe4 30. fxe5 fxe5 31. Neg1 Ng3 32. Bxb7 Rxb7 33. Nf3 Nf7 34. Rd5 e4
35. Nfg5+ Nxg5 36. Nxg5+ Bxg5 37. Rxg5 Rf1 38. Rxf1 Nxf1 39. Re5 Rd7 40. c3
bxc3 41. bxc3 Ng3 42. Kc2 Rf7 43. Be3 Rf1 44. Re7+ Kg8 45. Ra7 Nf5 46. Kd2 Rb1
47. Kc2 Ra1 48. Kb2 Re1 49. Bg5 Re2+ 50. Ka3 Rxg2 51. Rxa6 Kf7 52. Rf6+ Kg7 53.
Re6 e3 54. Bxe3 Kf7 55. Re4 Re2 56. Rxc4 Nxe3 57. Rc6 Rh2 58. Kb3 Rxh4 59. a4
Rc4 60. Rd6 Rc7 61. Rd4 g5 62. a5 h4 63. Rd3 Nc4 64. a6 g4 65. Rd4 Ne5 66. Rb4
h3 67. Rb7 Rxb7+ 68. axb7 Nd7 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.4"]
[White "Bracker, Arne"]
[Black "Hort, Max"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2289"]
[BlackElo "2007"]
[PlyCount "99"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. Re1
h6 9. h3 Re8 10. Be3 exd4 11. Qxd4 Nf8 12. Bf4 Ne6 13. Bxe6 Bxe6 14. Rad1 d5
15. e5 Nh7 16. Qe3 Qb6 17. Nd4 Bc5 18. Nce2 Nf8 19. Qg3 Ng6 20. Bc1 Bd7 21. f4
Ne7 22. c3 Bxd4+ 23. cxd4 c5 24. dxc5 Qxc5+ 25. Be3 Qb4 26. Nc3 Bc6 27. Qf2 b6
28. g4 Rad8 29. Rd4 Qa5 30. b4 Qa6 31. b5 Qc8 32. bxc6 Nxc6 33. Rxd5 Nxe5 34.
Red1 Nc4 35. Rxd8 Rxd8 36. Rxd8+ Qxd8 37. Bd4 Na5 38. Kh2 Nc6 39. Be3 h5 40.
gxh5 Ne7 41. h6 Nf5 42. Qd2 Qh4 43. Ne4 Nxh6 44. Ng5 Ng4+ 45. Kg2 Nxe3+ 46.
Qxe3 Kf8 47. Qd4 Ke7 48. Qe5+ Kd7 49. Qd5+ Kc8 50. Qa8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.5"]
[White "Pittelkow, Andreas"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2010"]
[BlackElo "2239"]
[PlyCount "102"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Qc2 b6 8. Nbd2
Bb7 9. e4 Na6 10. e5 Nd7 11. b3 c5 12. Bb2 Nb4 13. Qb1 dxc4 14. Nxc4 cxd4 15.
a3 b5 16. Ncd2 Nd5 17. Bxd4 Nc5 18. Ne4 Nxe4 19. Qxe4 Qd7 20. Qg4 Rfc8 21. Rfd1
Qc7 22. Ng5 Bxg5 23. Qxg5 h6 24. Qg4 Nc3 25. Rdc1 Bxg2 26. Kxg2 Qb7+ 27. Qf3
Nd5 28. Rc5 Rxc5 29. Bxc5 Qc7 30. Bd4 Qc2 31. a4 b4 32. Rd1 Rc8 33. Qd3 Qc6 34.
Kg1 a6 35. Be3 Qc3 36. Bd4 Qc6 37. Be3 Qc2 38. Qxc2 Rxc2 39. Bd4 g5 40. Kf1 g4
41. Kg2 Kg7 42. h3 h5 43. hxg4 hxg4 44. Kf1 Kg6 45. Ke1 Kf5 46. Rd2 Rc1+ 47.
Rd1 Rxd1+ 48. Kxd1 Ke4 49. Bb2 Kd3 50. Ba1 Nc3+ 51. Kc1 Ne4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.6"]
[White "Keyser, Robin"]
[Black "Alpers, Arne"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2169"]
[BlackElo "1922"]
[PlyCount "76"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Nbd2 c5 5. Be2 Nc6 6. O-O cxd4 7. exd4 Be7 8.
c3 O-O 9. Re1 Rb8 10. a4 a6 11. Bd3 Qc7 12. Qe2 Ne8 13. Nf1 Na5 14. Ne3 Nb3 15.
Rb1 Nxc1 16. Rbxc1 Nf6 17. Ne5 Bd6 18. f4 Bd7 19. b3 Rbc8 20. N3g4 Nxg4 21.
Qxg4 f5 22. Qd1 Rf6 23. Kh1 Be8 24. c4 Ba3 25. Rc2 Qa5 26. Ree2 Bh5 27. g4 Bxg4
28. Nxg4 fxg4 29. Re5 Bd6 30. cxd5 Rxc2 31. Qxc2 Bxe5 32. fxe5 Qe1+ 33. Kg2 Rf8
34. dxe6 Qe3 35. e7 Qf3+ 36. Kg1 Qe3+ 37. Kg2 Qf3+ 38. Kg1 Qe3+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.7"]
[White "Holmsgaard, Henrik"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2146"]
[BlackElo "1589"]
[PlyCount "82"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 O-O 7. a4 a5 8. Bg5 h6
9. Bh4 Bg4 10. h3 Bh5 11. g4 g5 12. Bg3 Bg6 13. Nbd2 Qd7 14. Kg2 Rfe8 15. Re1
Ba7 16. Nf1 Nd8 17. Ne3 Ne6 18. Nd5 Nxd5 19. Bxd5 c6 20. Bb3 Nf4+ 21. Bxf4 gxf4
22. Bc2 d5 23. exd5 Qxd5 24. Bb3 Qd6 25. d4 e4 26. Ne5 Rxe5 27. dxe5 Qxe5 28.
f3 Re8 29. Bc2 Qc5 30. Rxe4 Bxe4 31. Bxe4 Qf2+ 32. Kh1 Qg3 33. Qf1 Rd8 34. Qg2
Qh4 35. g5 h5 36. g6 f5 37. Bxf5 Kg7 38. Qe2 Be3 39. Rd1 Qf2 40. Re1 Qg3 41.
Rd1 Rd2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.8"]
[White "Iachanou, Daniel"]
[Black "Kahlert, Thomas"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1704"]
[BlackElo "2104"]
[PlyCount "35"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
h4 d6 9. c4 Nb6 10. exd6 cxd6 11. Nc3 Qxe2+ 12. Bxe2 Be6 13. b3 Be7 14. Bf3 Rc8
15. Be3 Bf6 16. Rc1 d5 17. cxd5 cxd5 18. Nb5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.9"]
[White "Porth, Hartmut"]
[Black "Busch, Jonathan Luis"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1996"]
[BlackElo "1661"]
[PlyCount "83"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6
8. O-O Bc5 9. c3 O-O 10. f3 h6 11. Kh1 Rd8 12. Be3 Bb6 13. Na3 Bd7 14. Rad1 Kf8
15. Nc4 Bxd4 16. cxd4 Be6 17. Na5 Rab8 18. b3 Ne8 19. g4 Nd6 20. d5 cxd5 21.
exd5 Bd7 22. Rc1 b6 23. Nc6 Bxc6 24. Rxc6 Ne8 25. Rd1 Rd7 26. a4 Rbd8 27. a5
Rxd5 28. Rxd5 Rxd5 29. axb6 cxb6 30. Rxb6 Rb5 31. Rxa6 Rxb3 32. Bc5+ Kg8 33.
Ra8 Rb1+ 34. Kg2 Re1 35. h4 Kh7 36. Ra7 Re5 37. Ba3 f6 38. h5 Re6 39. Bf8 Kg8
40. Bc5 Kh7 41. f4 Rc6 42. Be3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.10"]
[White "Soost, Stefan"]
[Black "Gökten, Aras"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1934"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. c3 Nc6 7. O-O Qb6 8. b3 cxd4
9. Nxd4 Nge7 10. Be3 Nxd4 11. cxd4 Rc8 12. Bd3 Bxd3 13. Qxd3 Nc6 14. Nc3 Be7
15. f4 Nb4 16. Qd2 f5 17. Na4 Qd8 18. Nc5 Bxc5 19. dxc5 Nc6 20. b4 d4 21. Bf2
b5 22. a4 a6 23. axb5 axb5 24. Ra6 O-O 25. Rb6 Qd7 26. Rd1 Rfd8 27. Qb2 Rb8 28.
Rxb8 Rxb8 29. Rd2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.11"]
[White "Heins, Simon"]
[Black "Kellner, Anton"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1777"]
[BlackElo "1797"]
[PlyCount "73"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be7 8. Bg5
Nbd7 9. Ng3 h6 10. Be3 Nc5 11. Qd2 b5 12. b4 Ne6 13. a4 bxa4 14. Rxa4 Bb7 15.
Bc4 Qc7 16. Bd5 Rc8 17. Nf5 Qxc3 18. Bxb7 Rc7 19. Qxc3 Rxc3 20. Rxa6 Kd7 21. b5
Nd8 22. Bc6+ Nxc6 23. Rxc6 Rxc6 24. bxc6+ Kxc6 25. Nxe7+ Kd7 26. Nf5 Nxe4 27.
Nxg7 Rc8 28. O-O Rxc2 29. Bxh6 d5 30. f4 Ng3 31. Rf2 Rc1+ 32. Kh2 Nf1+ 33. Rxf1
Rxf1 34. fxe5 d4 35. Bg5 d3 36. Kg3 Re1 37. Kf2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.12"]
[White "Fellberg, Justus"]
[Black "Fabig, Holger"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1746"]
[BlackElo "2012"]
[PlyCount "101"]
[EventDate "2025.04.18"]

1. e4 e6 2. Qe2 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nf6 6. g3 c5 7. Bg2 Nc6 8. d3
Be7 9. O-O O-O 10. Bf4 Re8 11. Rad1 Nd5 12. Qd2 Nxf4 13. Qxf4 Qb6 14. Qc4 Bd7
15. d4 Na5 16. Qd3 Bc6 17. b3 Rad8 18. d5 Bxd5 19. Nxd5 Rxd5 20. Qe2 Red8 21.
Rxd5 Rxd5 22. Rd1 Rxd1+ 23. Qxd1 Qc7 24. Qd3 Nc6 25. a3 h6 26. h4 a6 27. a4 Qd6
28. Qxd6 Bxd6 29. Kf1 f5 30. Ke2 Kf7 31. Nd2 e5 32. Bxc6 bxc6 33. Nc4 Bc7 34.
Ke3 g5 35. hxg5 hxg5 36. Nb2 Ke6 37. Nd3 Bd6 38. Nb2 e4 39. Nc4 Bc7 40. Nb2 Kd5
41. Nc4 f4+ 42. gxf4 Bxf4+ 43. Ke2 Kd4 44. Na5 Kc3 45. Kd1 g4 46. Nxc6 e3 47.
fxe3 g3 48. Ke2 Bxe3 49. Kxe3 Kxc2 50. b4 cxb4 51. Nxb4+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.13"]
[White "Malchereck, Romeo"]
[Black "Pothast, Laurenz"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1740"]
[BlackElo "1944"]
[PlyCount "55"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
Be7 9. Be2 Nbd7 10. O-O b5 11. Nd2 O-O 12. b3 Rc8 13. Ncb1 Qc7 14. c4 Nb6 15.
cxb5 axb5 16. Na3 b4 17. Nac4 Nxc4 18. Bxc4 d5 19. exd5 Nxd5 20. Bf2 Rfd8 21.
Qe1 Bc5 22. Ne4 Bxf2+ 23. Qxf2 Nf4 24. Bxe6 Nxe6 25. Rfd1 Rxd1+ 26. Rxd1 Qc2
27. Qxc2 Rxc2 28. Rd2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.14"]
[White "Schiller, Thomas"]
[Black "Lasschuit, Rene"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1877"]
[BlackElo "1701"]
[PlyCount "79"]
[EventDate "2025.04.18"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb3
e6 9. O-O Be7 10. Nc3 O-O 11. Be3 dxe5 12. dxe5 Nd7 13. Bf4 Nc5 14. Bc2 Qxd1
15. Raxd1 Rd8 16. a3 b6 17. b4 Nd7 18. Be4 Bb7 19. Nb5 a6 20. Nd6 Bxd6 21. Rxd6
Rac8 22. Rc1 Ndb8 23. Rcd1 Kf8 24. Kf1 b5 25. Be3 Rxd6 26. Rxd6 Ke8 27. h4 h6
28. Nd4 Nd8 29. Rxd8+ Kxd8 30. Bxb7 Rc3 31. Ke2 Rxa3 32. Nc2 Ra2 33. Bb6+ Kd7
34. Kd3 Nc6 35. f4 a5 36. Bxc6+ Kxc6 37. bxa5 Rb2 38. Kc3 Rb1 39. Nd4+ Kb7 40.
Nb3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.15"]
[White "Richter, Thomas"]
[Black "Babychev, Mykhailo"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1876"]
[BlackElo "1698"]
[PlyCount "100"]
[EventDate "2025.04.18"]

1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Nf3 Nc6 7. Nc3 e6 8.
Ne2 Bd6 9. d3 e5 10. Ng3 h5 11. e4 d4 12. h3 Ne7 13. Bc1 h4 14. Ne2 Ng6 15. Bg5
b5 16. a4 c4 17. bxc4 bxa4 18. Qb1 Rb8 19. Qa2 a3 20. Bc1 Bb4+ 21. Nd2 Rb6 22.
O-O Ra6 23. Nb3 O-O 24. f4 exf4 25. Bxf4 Nh5 26. Bh2 Ne7 27. Rf3 Rg6 28. Raf1
Nc6 29. Kh1 a5 30. Rf5 Ng3+ 31. Bxg3 hxg3 32. Rd5 Qc8 33. Nbxd4 Nxd4 34. Nxd4
Rh6 35. Nf5 Rh5 36. Ne7+ Bxe7 37. Rxh5 Qc7 38. Rb5 g6 39. d4 Qd7 40. c3 Kg7 41.
Rxa5 Rh8 42. c5 Bg5 43. Rf3 Rh4 44. Rxa3 Rxe4 45. Rf1 Rh4 46. Rxf7+ Qxf7 47.
Ra7 Be7 48. Qxf7+ Kxf7 49. Kg1 Re4 50. Kf1 Re6 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.16"]
[White "Haertel, Leon"]
[Black "Schranz, Patrick"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "1855"]
[BlackElo "1696"]
[PlyCount "40"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 Bb4+ 6. Ke2 O-O 7. a3 Bd6 8.
Nc3 Nbd7 9. b4 Nb6 10. Bb3 Nbd5 11. Bb2 b6 12. Qd3 Bb7 13. Bc2 a5 14. b5 Qd7
15. Nxd5 Bxd5 16. Nd2 g6 17. f3 Be7 18. a4 Rac8 19. e4 Bb7 20. Nc4 Ne8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.17"]
[White "Lohmann, Rene"]
[Black "Rudolph, Max"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1691"]
[BlackElo "1864"]
[PlyCount "34"]
[EventDate "2025.04.18"]

1. c4 b6 2. d4 Bb7 3. Nc3 e6 4. f3 Bb4 5. e4 f5 6. exf5 Nh6 7. Be3 Nxf5 8. Bf2
O-O 9. a3 Bxc3+ 10. bxc3 Nc6 11. Bd3 Qg5 12. Kf1 Ne3+ 13. Bxe3 Qxe3 14. Qc2 Ne7
15. Re1 Qh6 16. d5 Nf5 17. Kf2 Qh4+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.18"]
[White "Mi, Gufeng"]
[Black "Sharma, Rishi"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1659"]
[BlackElo "1850"]
[PlyCount "84"]
[EventDate "2025.04.18"]

1. e4 e6 2. f4 d5 3. exd5 exd5 4. Nf3 Bd6 5. d4 Nf6 6. Bd3 O-O 7. O-O c5 8. c3
Nc6 9. h3 Qc7 10. Ne5 cxd4 11. Nxc6 bxc6 12. cxd4 Re8 13. Nc3 Bd7 14. Qc2 h6
15. Bd2 Re7 16. Rf2 Rae8 17. Raf1 Qb6 18. Ne2 c5 19. Qd1 c4 20. Bb1 Qxb2 21.
Nc3 Qb6 22. Bc1 Bb4 23. Rb2 Qa5 24. Rxb4 Qxb4 25. Bd2 Qb6 26. Bc1 Qe6 27. Bd2
Bc6 28. f5 Qd6 29. Bf4 Qb4 30. Bd2 Qb2 31. Bc2 Ne4 32. Nxe4 Rxe4 33. Bxe4 Qxd4+
34. Kh1 Qxe4 35. f6 d4 36. Rf2 c3 37. Qh5 cxd2 38. Rf3 d1=Q+ 39. Kh2 Qexf3 40.
gxf3 Re2+ 41. Kg3 Qg1+ 42. Kf4 g5+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.19"]
[White "Neumann, Hannes"]
[Black "Strate, Gerda"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1655"]
[BlackElo "1848"]
[PlyCount "101"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. O-O Nf6 5. Re1 d6 6. c3 Bg4 7. d4 exd4 8. cxd4
Bxf3 9. Qxf3 Nxd4 10. Qd3 Nc6 11. Qb3 Qd7 12. e5 dxe5 13. Bxf7+ Kd8 14. Nc3 Bd6
15. Be3 Na5 16. Qe6 Rf8 17. Qxd7+ Kxd7 18. Bg6 Nc4 19. Rad1 Nxb2 20. Rb1 Nc4
21. Rxb7 Nxe3 22. Rxe3 Ng4 23. Re2 Nf6 24. Nb5 Rab8 25. Nxd6 Kxd6 26. Rxa7 Nd5
27. g3 Rf6 28. Be4 g5 29. Rd2 c6 30. Ra6 Rb5 31. a4 Rc5 32. a5 Rf8 33. Bxd5
Rxd5 34. Ra2 Rb8 35. Ra7 Rd1+ 36. Kg2 g4 37. h3 h5 38. hxg4 hxg4 39. Rg7 Rbb1
40. Rxg4 Rg1+ 41. Kf3 Rb3+ 42. Ke2 Rgb1 43. Raa4 c5 44. a6 R1b2+ 45. Kf1 Rb4
46. Rgxb4 cxb4 47. a7 Rb1+ 48. Kg2 b3 49. a8=Q Rb2 50. Qa6+ Ke7 51. Rb4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.20"]
[White "Knaak, Michael"]
[Black "Klaeke, Gregor"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1842"]
[BlackElo "1655"]
[PlyCount "29"]
[EventDate "2025.04.18"]

1. b3 Nf6 2. Bb2 d5 3. e3 Bg4 4. Nf3 Nbd7 5. d4 c6 6. Nbd2 Ne4 7. Be2 Qa5 8.
O-O Nc3 9. Bxc3 Qxc3 10. a3 a5 11. Ra2 Bxf3 12. gxf3 a4 13. b4 Qxd2 14. Qxd2 b5
15. Qc3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.21"]
[White "Busch, Lara Sophie"]
[Black "Skibbe, Kai"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1651"]
[BlackElo "1840"]
[PlyCount "82"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8.
Nd2 e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfe1 Nd7 13. Qc2 h6 14. h3
Bxf3 15. Nxf3 a6 16. b3 Rfc8 17. Qb2 Na5 18. Rac1 b5 19. Nd2 Nb6 20. Re3 Rc7
21. Bf1 Rac8 22. a3 Rc6 23. Nf3 Nd7 24. Nd2 Qc7 25. g3 Nb6 26. Kg2 Nb7 27. Nf3
Nd7 28. Nd2 Nd6 29. g4 Nf6 30. f3 Nd7 31. Nb1 Nf8 32. Bd3 f5 33. Rce1 Qd8 34.
Qf2 Qf6 35. h4 R8c7 36. Kf1 Rf7 37. gxf5 Nxf5 38. Bxf5 Qxf5 39. Qg3 Ng6 40. Kf2
Nf4 41. Rh1 Qc2+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.22"]
[White "Speck, Jakob"]
[Black "Queißer, Jens"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "1817"]
[BlackElo "1653"]
[PlyCount "29"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bc4 Qa5+ 7. c3 Bf5
8. Qh5 Kd7 9. g4 e6 10. gxf5 Kd6 11. Bf4+ e5 12. dxe5+ fxe5 13. O-O-O+ Kc5 14.
Be3+ Kxc4 15. Qe2# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.23"]
[White "Majewski, Nico"]
[Black "Loayza, Ignacio"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1631"]
[BlackElo "1811"]
[PlyCount "98"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. c4 e6 3. g3 a6 4. Bg2 Nf6 5. O-O Be7 6. b3 O-O 7. Bb2 c6 8. d3 b5
9. Nbd2 Bb7 10. Ne5 Nbd7 11. f4 Rb8 12. Ndf3 Qc7 13. Rc1 Qa5 14. Qc2 Ba3 15.
Bxa3 Qxa3 16. c5 Nxe5 17. Nxe5 Qa5 18. d4 Qc7 19. b4 Ra8 20. a3 Ra7 21. Ra1
Rfa8 22. Ra2 a5 23. Rfa1 Nd7 24. Nxd7 Qxd7 25. e3 Bc8 26. Bf1 Qb7 27. Bd3 g6
28. Qb3 Bd7 29. Qb2 Be8 30. g4 Qe7 31. a4 axb4 32. axb5 cxb5 33. Rxa7 Rxa7 34.
Rxa7 Qxa7 35. Qxb4 Qa6 36. Kf2 Bc6 37. Ke2 Kf8 38. Kd2 Qa2+ 39. Kc3 Qa1+ 40.
Kb3 Qd1+ 41. Bc2 Qe2 42. Qc3 Qxg4 43. Qa5 Qe2 44. Qc3 Qxh2 45. Bd3 Qg1 46. Kb4
Qxe3 47. Ka5 Qxf4 48. Kb6 Be8 49. Qb4 Qb8+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.24"]
[White "Wang, Kaiwen"]
[Black "Koop, Michael"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1749"]
[BlackElo "1569"]
[PlyCount "71"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Bf4 Bd7 7. c5 a6 8. Nf3
Nc6 9. h3 Be7 10. a3 O-O 11. Bd3 h6 12. O-O Nh7 13. Na4 Ng5 14. Bxg5 Bxg5 15.
Nxg5 hxg5 16. Nb6 Rb8 17. Bc2 Be8 18. Qd3 f5 19. Rfe1 Qf6 20. Rad1 Rd8 21. Qe3
Bf7 22. Ba4 f4 23. Qc3 Ne7 24. Nd7 Qh6 25. Nxf8 Rxf8 26. Bc2 f3 27. Re3 fxg2
28. Kxg2 Bh5 29. Rde1 Qf6 30. f3 g4 31. hxg4 Bxg4 32. fxg4 Qf2+ 33. Kh1 Qh4+
34. Rh3 Qf2 35. Bh7+ Kf7 36. Rf3+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.25"]
[White "Ikwuka, God´sfavour"]
[Black "Thürauf, Peter"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1628"]
[BlackElo "1772"]
[PlyCount "132"]
[EventDate "2025.04.18"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. e5 Nc6 5. c3 Nge7 6. d4 b6 7. Bb5 a6 8. Ba4 Bd7
9. Be3 Nf5 10. Bf2 cxd4 11. cxd4 Bb4+ 12. Nc3 Na5 13. O-O Bxc3 14. Bxd7+ Qxd7
15. bxc3 O-O 16. Qc2 Rfc8 17. g4 Ne7 18. Qd3 Rc7 19. Rab1 Nc4 20. Bh4 Ng6 21.
Bg3 Ne7 22. h4 Rac8 23. h5 h6 24. g5 Nf5 25. Bf2 b5 26. Nh4 Nce3 27. Rfc1 Nxh4
28. Bxh4 Nf5 29. Bf2 Qe7 30. Qd2 Rc4 31. Rb3 Qe8 32. Qb2 Qc6 33. a3 Nxd4 34.
Bxd4 Rxd4 35. Qf2 Re4 36. gxh6 gxh6 37. Qg3+ Kh7 38. Qf3 Rg8+ 39. Kh2 Qc4 40.
Rb4 Qe2+ 41. Qxe2 Rxe2+ 42. Kh3 Ra2 43. a4 Rxa4 44. Rxa4 bxa4 45. Ra1 Rc8 46.
Rxa4 Rxc3+ 47. Kg4 Rc6 48. Kf3 Kg7 49. Ra5 f6 50. f5 fxe5 51. fxe6 e4+ 52. Ke3
Rd6 53. Rc5 Kf6 54. e7 Kxe7 55. Rc7+ Kf6 56. Kf4 d4 57. Kxe4 d3 58. Rc1 d2 59.
Rd1 Kg5 60. Ke5 Rd8 61. Ke4 Kxh5 62. Kf5 Kh4 63. Kf4 Kh3 64. Kf3 Kh2 65. Kg4
Kg2 66. Kh5 Rd6 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.26"]
[White "Perschk, Bendix"]
[Black "Hajjar, Ahmad"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1769"]
[PlyCount "93"]
[EventDate "2025.04.18"]

{[%evp 0,54,19,31,77,64,88,87,73,71,74,80,74,45,38,62,89,59,68,39,71,13,59,34,
42,36,100,71,148,148,148,101,100,28,112,103,112,112,245,254,243,264,260,280,
280,265,240,-3,262,121,174,177,177,126,131,156,150]} 1. e4 g6 2. d4 Bg7 3. Nc3
d6 4. Nf3 Nf6 5. Be3 O-O 6. Qd2 Nc6 7. h3 Bd7 8. Bd3 a6 9. a4 e6 10. Bg5 Qc8
11. a5 Nb4 12. Be2 b6 13. O-O Nc6 14. axb6 cxb6 15. Be3 b5 16. d5 Ne5 17. dxe6
Nxf3+ 18. Bxf3 Bc6 19. e7 Re8 20. Qxd6 Qb7 21. e5 Ne4 22. Bxe4 Bxe4 23. e6 Rxe7
24. exf7+ Rxf7 25. Nxe4 Qxe4 26. Rxa6 Rxa6 27. Qxa6 Bxb2 28. Rb1 Be5 29. Bh6
Bg7 30. Bxg7 Kxg7 31. Qa1+ Kg8 32. Re1 Qc6 33. Qd4 Qc8 34. h4 Qb8 35. Re5 Rf8
36. Qd5+ Kh8 37. Qxb5 Qa7 38. Re2 h5 39. Qe5+ Kh7 40. Qe7+ Qxe7 41. Rxe7+ Kh6
42. Rc7 Rd8 43. g3 Rd2 44. c4 Rc2 45. c5 g5 46. Rc6+ Kg7 47. hxg5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.27"]
[White "Winklmann, Alexander"]
[Black "Schwarzkopf, Jörg"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1593"]
[BlackElo "1863"]
[PlyCount "64"]
[EventDate "2025.04.18"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. d3 Nf6 5. Bg2 Bb4 6. Bd2 d6 7. a3 Bxc3 8. Bxc3
O-O 9. e3 Bd7 10. Ne2 Qe8 11. Qc2 a5 12. O-O Qh5 13. f3 f4 14. exf4 Bh3 15.
Rae1 Bxg2 16. Kxg2 Qh6 17. Qd2 Qg6 18. Kh1 Rae8 19. fxe5 dxe5 20. d4 e4 21. Nf4
Qf7 22. d5 Ne5 23. Bxe5 Rxe5 24. Ne6 Rxe6 25. dxe6 Qxe6 26. Qd4 Re8 27. fxe4
Nxe4 28. Qd5 c6 29. Qxe6+ Rxe6 30. Kg2 Nc5 31. Rxe6 Nxe6 32. Rf5 b6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.28"]
[White "Falke, Ornella"]
[Black "Köhler, Nils"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2047"]
[BlackElo "1513"]
[PlyCount "49"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Nc6 8. d5
Na5 9. Qd3 Ba6 10. Nd2 exd5 11. Nxd5 Nc6 12. e4 Ne5 13. Nxe7+ Qxe7 14. Qc3 Rad8
15. b4 c6 16. Bb2 Rfe8 17. f4 Ng6 18. e5 Nd5 19. cxd5 Bxf1 20. d6 Qf8 21. Bxf1
f6 22. Bc4+ Kh8 23. exf6 Qxf6 24. Qxf6 gxf6 25. Bxf6# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.29"]
[White "Kollath, Leno"]
[Black "Pavlov, Dmitriy"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1705"]
[BlackElo "1647"]
[PlyCount "85"]
[EventDate "2025.04.18"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Bg4 6. c3 Ne7 7. h3 Bh5 8. O-O
Nbc6 9. Re1 O-O 10. Nbd2 Bg6 11. Nf1 Bxd3 12. Qxd3 Ng6 13. Ne3 Nce7 14. Nf5
Nxf5 15. Qxf5 c6 16. Bd2 Qc7 17. Re2 Bf4 18. Bxf4 Nxf4 19. Re3 Ng6 20. Ne5 Nxe5
21. Rxe5 g6 22. Qc2 Rae8 23. Rae1 Rxe5 24. Rxe5 Rd8 25. Qe2 Kf8 26. g3 Qd7 27.
Kg2 Re8 28. f4 f6 29. Re3 Rxe3 30. Qxe3 Kf7 31. g4 Qe6 32. Qxe6+ Kxe6 33. h4 h6
34. Kf3 h5 35. f5+ Kf7 36. fxg6+ Kxg6 37. Kf4 hxg4 38. Kxg4 b6 39. b4 a6 40. a4
b5 41. a5 f5+ 42. Kf4 Kh5 43. Kxf5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.30"]
[White "Abram, Kristina-Maria"]
[Black "Erk, Ben"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1477"]
[BlackElo "1743"]
[PlyCount "44"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 b6 7. Bd3 Bb7 8. cxd5
exd5 9. O-O Ne4 10. Bf4 Nd7 11. Qc2 Ndf6 12. Be5 c5 13. dxc5 Bxc5 14. Rad1 Qe7
15. b3 Rac8 16. Bxe4 dxe4 17. Bxf6 Qxf6 18. Nxe4 Qg6 19. Nfd2 Bxe3 20. Qd3 Bxd2
21. Qxd2 Bxe4 22. g3 Qh5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.31"]
[White "Dede, Metehan"]
[Black "Lascheit, Andreas"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1733"]
[PlyCount "53"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nbd7 7. h3 e5 8. dxe5
Nxe5 9. Bf4 Nxf3+ 10. Bxf3 Be6 11. Qd2 Qd7 12. Bh6 Rad8 13. Bxg7 Kxg7 14. Rad1
Bxh3 15. gxh3 Qxh3 16. Bg2 Qh4 17. Qe3 Qg4 18. Qxa7 Rfe8 19. Qd4 Re5 20. Qxe5
dxe5 21. Rxd8 Qh4 22. Rd3 Nh5 23. Rh3 Qg4 24. Re1 f5 25. exf5 Qxf5 26. Ne4 g5
27. Rxh5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.33"]
[White "Rojas Albores, Graciela Ivonne"]
[Black "Wang, Huanying"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1619"]
[BlackElo "1422"]
[PlyCount "49"]
[EventDate "2025.04.18"]

1. e4 e6 2. Nf3 Ne7 3. d4 d5 4. e5 Nec6 5. Nc3 Be7 6. a3 O-O 7. Bd3 a6 8. h4 f6
9. h5 Nxe5 10. dxe5 c5 11. Qe2 f5 12. Bd2 c4 13. Bxf5 exf5 14. O-O-O Be6 15.
Nd4 Bf7 16. Nxf5 d4 17. Qg4 Bg6 18. hxg6 Bf6 19. gxh7+ Kf7 20. exf6 Qxf6 21.
Ne4 Nd7 22. Nxf6 g6 23. Nxd7 Rh8 24. Rde1 Rag8 25. Nd6+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.35"]
[White "Wang, Kaichen"]
[Black "Sengupta, Aroop Ratan"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1599"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Nf3 O-O 7. e3 b6 8. Bd3
Bb7 9. O-O Nbd7 10. Re1 c5 11. Bc2 Ba6 12. Bd3 Bxd3 13. Qxd3 Ne4 14. Bxe7 Qxe7
15. Nxd5 Qd6 16. Qxe4 f5 17. Ne7+ Kh8 18. Nxf5 Qg6 19. Ng3 Qf6 20. b3 Rab8 21.
Rf1 Rfe8 22. Qf5 Qd6 23. Ng5 Qg6 24. Rad1 Nf6 25. Qxg6 hxg6 26. dxc5 bxc5 27.
Rfe1 Rbc8 28. Rc1 Kg8 29. Red1 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.36"]
[White "De Vries, Anakin"]
[Black "Bezverkhiy, Dmitry"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1598"]
[PlyCount "94"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 g6 5. Nf3 Bg7 6. Bf4 Nf6 7. O-O O-O 8.
Nbd2 Nc6 9. c3 Bf5 10. Bxf5 gxf5 11. Qc2 e6 12. Ne5 Nxe5 13. Bxe5 Ng4 14. Bxg7
Kxg7 15. h3 Nf6 16. Nf3 Kh8 17. Rfe1 Ne4 18. Re3 Qe7 19. Rae1 Rg8 20. Ne5 f6
21. Nd3 Rg7 22. f3 Ng5 23. Nf4 e5 24. dxe5 fxe5 25. Qxf5 Qc5 26. Kh2 e4 27.
fxe4 Re8 28. Qxd5 Qxd5 29. exd5 Rxe3 30. Rxe3 Rf7 31. Re8+ Kg7 32. Ne6+ Nxe6
33. dxe6 Rf2 34. Re7+ Kf6 35. Rxb7 Kxe6 36. a4 a5 37. b4 axb4 38. cxb4 Rb2 39.
b5 Kd6 40. Rxh7 Ra2 41. Rh4 Kc5 42. Rf4 Kb6 43. h4 Ra3 44. g3 Rd3 45. Kg2 Rd5
46. g4 Rxb5 47. axb5 Kxb5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.1"]
[White "Marx, Jakob"]
[Black "Koniahli, Malek"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1589"]
[BlackElo "2309"]
[PlyCount "80"]
[EventDate "2025.04.18"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. c4 g6 7. Nc3 Bg7 8. Bd2
Nf6 9. O-O O-O 10. Rc1 Nd7 11. b3 Nc5 12. Bb1 b6 13. Nd5 e6 14. Nb4 Nxb4 15.
Bxb4 a5 16. Bc3 Bxc3 17. Rxc3 e5 18. Qd2 Bg4 19. Rd1 Qe7 20. Qh6 Ne6 21. Rcd3
Bxf3 22. Rxf3 Nd4 23. Rh3 f6 24. a3 Ra7 25. b4 axb4 26. axb4 Ne2+ 27. Kf1 Nf4
28. Rf3 Qc7 29. Rc3 Ra4 30. Rdc1 Ne6 31. Rb3 Rfa8 32. Qd2 Nd4 33. Rb2 Ra1 34.
Ba2 R8xa2 35. c5 Rxc1+ 36. Qxc1 Rxb2 37. Qxb2 bxc5 38. b5 Qb6 39. Qa2+ Kg7 40.
Qa6 Qxb5+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.2"]
[White "Holinka, Henning"]
[Black "Bracker, Arne"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2292"]
[BlackElo "2289"]
[PlyCount "92"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. a4 d6 7. O-O Ba7 8. Re1
O-O 9. b4 Ne7 10. Be3 Bxe3 11. Rxe3 Ng6 12. Re1 Re8 13. Nbd2 Be6 14. Bxe6 Rxe6
15. d4 Qd7 16. d5 Ree8 17. a5 Nh5 18. c4 Nhf4 19. Nf1 f5 20. exf5 Qxf5 21. Ng3
Qd7 22. Qb3 Rf8 23. Re3 h6 24. Rc1 Rf7 25. c5 Raf8 26. c6 Qc8 27. Ne1 Nh4 28.
b5 Nhxg2 29. Nxg2 Nxg2 30. cxb7 Qh3 31. Nf1 Nxe3 32. Qxe3 Rf3 33. Qe2 Qg4+ 34.
Kh1 Qf4 35. Rc2 axb5 36. a6 Ra3 37. Ra2 Qa4 38. Qf3 Rxa2 39. Qxf8+ Kxf8 40.
b8=Q+ Kf7 41. Qxc7+ Kg6 42. Qxd6+ Kh7 43. Qxe5 Rxf2 44. Kg1 Rf6 45. d6 Qxa6 46.
Qe4+ Rg6+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.3"]
[White "Kotyk, Michael"]
[Black "Keyser, Robin"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2239"]
[BlackElo "2169"]
[PlyCount "9"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.4"]
[White "Alpers, Arne"]
[Black "Reddmann, Hauke"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1922"]
[BlackElo "2171"]
[PlyCount "39"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Ne4 7. Qc2 f5 8.
Bg2 O-O 9. O-O d6 10. Nc3 Nxc3 11. Qxc3 Nd7 12. Rfe1 Nf6 13. Nd2 e5 14. dxe5
dxe5 15. e4 f4 16. Nf3 fxg3 17. hxg3 Re8 18. Rad1 Bg4 19. Rd2 Bxf3 20. Bxf3
1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.5"]
[White "Colpe, Malte"]
[Black "Atri, Jamshid"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2373"]
[BlackElo "2029"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 e6 6. c3 Be7 7. Bd3 Nh5 8. Be5
Nxe5 9. Nxe5 Nf6 10. f4 O-O 11. O-O Ne8 12. Qf3 f6 13. Bxh7+ Kxh7 14. Qh3+ Kg8
15. Ng6 Nd6 16. Qh8+ Kf7 17. Qh5 Ke8 18. Nf3 Kd7 19. dxc5 Ne4 20. Nxf8+ Bxf8
21. b4 Nxc3 22. Nd4 Qe8 23. Qh7 Kc7 24. Rfc1 Ne4 25. c6 bxc6 26. Rxc6+ Kb8 27.
Rac1 Bd7 28. R6c2 e5 29. fxe5 fxe5 30. Nc6+ Kb7 31. Na5+ Kb8 32. Rc7 Bd6 33.
Rb7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.6"]
[White "Kahlert, Thomas"]
[Black "Speck, Jakob"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2104"]
[BlackElo "1817"]
[PlyCount "72"]
[EventDate "2025.04.18"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. b3
Be7 9. Bb2 f6 10. Rc1 O-O 11. Ne1 Bd7 12. Nd3 Rc8 13. f4 exf4 14. Nxf4 Kh8 15.
e3 Ne6 16. Nfd5 Bd6 17. Ne2 Be5 18. Bxe5 Nxe5 19. d4 cxd4 20. Rxc8 Bxc8 21.
Nxd4 Nxd4 22. Qxd4 b6 23. Rc1 Bg4 24. Nf4 g5 25. Qxd8 Rxd8 26. Nd5 Nf3+ 27.
Bxf3 Bxf3 28. Nxf6 Kg7 29. Rf1 g4 30. Nh5+ Kg6 31. Nf4+ Kf5 32. h3 Rd2 33. Rf2
Rd1+ 34. Rf1 Rd2 35. Rf2 Rd1+ 36. Rf1 Rd2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.7"]
[White "Malchereck, Zion"]
[Black "Heins, Simon"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2063"]
[BlackElo "1777"]
[PlyCount "76"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8.
Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 Ba6 12. Kf3 f5 13. exf6 Nxf6 14. c5 Qa5
15. Nd6+ Ke7 16. Bxa6 Qxa6 17. Be3 Rhf8 18. Qd4 Ba5 19. Rhd1 Bc7 20. Nc4 Kf7
21. h4 Kg8 22. g3 Nd5 23. Re1 Rf6 24. Kg2 Raf8 25. b3 Qc8 26. Qe4 Qe8 27. Rf1
Rg6 28. Kh3 h5 29. Rad1 Nc3 30. Qd3 Nxd1 31. Rxd1 Rg4 32. Qxd7 Qg6 33. Bf2
Rxh4+ 34. Kg2 Rhxf4 35. Qxc7 Rxf2+ 36. Kg1 Qg4 37. Rd8 Rf1+ 38. Kh2 Qe2+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.8"]
[White "Kellner, Anton"]
[Black "Pittelkow, Andreas"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "1797"]
[BlackElo "2010"]
[PlyCount "45"]
[EventDate "2025.04.18"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 Bf6 10. e3 Qe8 11. b3 e5 12. Bb2 Nd7 13. Qc2 Qh5 14. c5 e4 15. Nd2
dxc5 16. dxc5 Ne5 17. Bxe5 Bxe5 18. Rad1 Rf6 19. Nc4 Rh6 20. Rd8+ Kf7 21. Nxe5+
Ke7 22. Rfd1 f4 23. Qxe4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.9"]
[White "Hort, Max"]
[Black "Wang, Kaiwen"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2007"]
[BlackElo "1749"]
[PlyCount "51"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Nbd2 d5 5. c3 Nc6 6. Bd3 b6 7. Bb5 Qc7 8. Ne5
Bd7 9. Nxd7 Nxd7 10. O-O Bd6 11. h3 O-O 12. Re1 a6 13. Bf1 f5 14. Nf3 Nf6 15.
dxc5 bxc5 16. c4 Ne5 17. cxd5 Nxd5 18. Ng5 Qe7 19. e4 fxe4 20. Nxe4 Bc7 21. Bg5
Nf6 22. Qc2 Ned7 23. Bc4 Be5 24. Nxc5 Nxc5 25. Rxe5 Qd6 26. Rxc5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.10"]
[White "Loayza, Ignacio"]
[Black "Porth, Hartmut"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1811"]
[BlackElo "1996"]
[PlyCount "64"]
[EventDate "2025.04.18"]

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. Nc3 Ng6 5. a3 a5 6. Qc2 Bc5 7. e3 d6 8. Bd3
Nh6 9. Ne4 f5 10. Nxc5 dxc5 11. f3 O-O 12. Bd2 e4 13. fxe4 Ne5 14. O-O-O Nxd3+
15. Qxd3 fxe4 16. Qxe4 Bf5 17. Qe5 Ng4 18. Qg3 Qd6 19. Nh3 Qxg3 20. hxg3 Bd3
21. b3 a4 22. Bc3 Bg6 23. Rde1 axb3 24. Kb2 Nf2 25. Nf4 Nxh1 26. Rxh1 Be4 27.
Rh4 g5 28. Rg4 h6 29. Ne6 Rf2+ 30. Kc1 Bf5 31. Nxc7 Rxa3 32. Nb5 Raa2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.11"]
[White "Thürauf, Peter"]
[Black "Soost, Stefan"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "1772"]
[BlackElo "1934"]
[PlyCount "53"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3
Bxd3 9. Qxd3 Nh5 10. Bg3 Nxg3 11. hxg3 h6 12. Rc1 Be7 13. O-O O-O 14. Na4 Rc8
15. Qb5 Qd7 16. Nc5 Bxc5 17. Rxc5 Nb8 18. a4 b6 19. Rxc8 Rxc8 20. Ne5 Qc7 21.
Nd3 a6 22. Qb4 Nc6 23. Qd2 a5 24. Rc1 Qd7 25. Rc2 Na7 26. b3 Rxc2 27. Qxc2
1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.12"]
[White "Perschk, Bendix"]
[Black "Schiller, Thomas"]
[Result "1/2-1/2"]
[ECO "C57"]
[WhiteElo "1769"]
[BlackElo "1877"]
[PlyCount "36"]
[EventDate "2025.04.18"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 Qe7 7. Nxh8 d5
8. exd5 Nd4 9. c3 b5 10. cxd4 bxc4 11. Qa4+ Bd7 12. Qa3 Bxd4 13. Qxe7+ Kxe7 14.
Na3 Rf8 15. Ke1 Nxd5 16. Nxc4 Nb4 17. Na3 Bf2+ 18. Kf1 Bd4+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.13"]
[White "Rudolph, Max"]
[Black "Iachanou, Daniel"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1864"]
[BlackElo "1704"]
[PlyCount "55"]
[EventDate "2025.04.18"]

1. e4 c5 2. b3 Nc6 3. Bb2 a6 4. Nf3 d6 5. Nc3 Nf6 6. h3 b5 7. d3 e6 8. g3 Be7
9. Bg2 O-O 10. O-O Bb7 11. Qe2 d5 12. Rae1 b4 13. Nd1 dxe4 14. dxe4 a5 15. Ne3
Nxe4 16. Nc4 Nd6 17. Rd1 Qc7 18. Nfe5 Nxc4 19. Nxc4 Ba6 20. Qg4 g6 21. Rfe1 h5
22. Qe4 Rac8 23. Ne5 Nd4 24. Nxg6 fxg6 25. Qxg6+ Kh8 26. Qh6+ Kg8 27. Qg6+ Kh8
28. Qh6+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.14"]
[White "Sharma, Rishi"]
[Black "Neumann, Hannes"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1850"]
[BlackElo "1655"]
[PlyCount "83"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8.
Qxd8 Rxd8 9. Bg5 Nbd7 10. O-O-O Rf8 11. Ne1 c6 12. Rd6 Ne8 13. Rd1 Nc7 14. Kb1
Ne6 15. Be3 Nd4 16. Nc2 Nxe2 17. Nxe2 f5 18. exf5 gxf5 19. f3 Nf6 20. Rd6 Re8
21. Rhd1 Be6 22. b3 a5 23. Nc3 e4 24. Nd4 Bc8 25. Bg5 Nd7 26. Na4 Be5 27. Re6
Rxe6 28. Nxe6 b5 29. Nb2 Nb6 30. Rd8+ Kf7 31. Nd4 Bd7 32. Rxa8 Nxa8 33. Ne2 Nc7
34. f4 Bd6 35. Bd8 Ke8 36. Bf6 Ne6 37. g3 Nc5 38. Bc3 a4 39. b4 Nd3 40. c5 Nxb2
41. Kxb2 Be7 42. a3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.15"]
[White "Gökten, Aras"]
[Black "Knaak, Michael"]
[Result "1/2-1/2"]
[ECO "A17"]
[BlackElo "1842"]
[PlyCount "30"]
[EventDate "2025.04.18"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c6 5. Nf3 Bd6 6. g3 Nf6 7. Bg2 Bf5 8. O-O
Nbd7 9. Re1 O-O 10. Nh4 Bg6 11. Nxg6 hxg6 12. e4 Nxe4 13. Nxe4 dxe4 14. Bxe4
Nf6 15. Bg5 Qc7 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.16"]
[White "Skibbe, Kai"]
[Black "Winklmann, Alexander"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1840"]
[BlackElo "1593"]
[PlyCount "75"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c3 b6 5. Nd2 Bb7 6. Ngf3 d6 7. Bd3 O-O 8. Qe2
Nbd7 9. e4 Nh5 10. Bg5 Nhf6 11. O-O e5 12. d5 Nc5 13. b4 Nxd3 14. Qxd3 Qc8 15.
a4 a5 16. Nc4 axb4 17. cxb4 Nh5 18. Rfc1 Qd7 19. Ne3 h6 20. Bh4 Nf4 21. Qc2
Rfc8 22. b5 f5 23. exf5 e4 24. f6 exf3 25. fxg7 Ne2+ 26. Kf1 Nxc1 27. Qxg6
fxg2+ 28. Kxg2 Qxg7 29. Qxg7+ Kxg7 30. Rxc1 Rxa4 31. Bd8 Kg6 32. Rxc7 Rxc7 33.
Bxc7 Rd4 34. Bxb6 Bxd5+ 35. Nxd5 Rxd5 36. Bc7 Rxb5 37. Bxd6 Rd5 38. Bg3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.17"]
[White "Babychev, Mykhailo"]
[Black "Holmsgaard, Henrik"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1698"]
[BlackElo "2146"]
[PlyCount "44"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e3 Nc6 6. Nf3 Nf6 7. dxc5 Bxc5 8.
Bb5 O-O 9. O-O a6 10. Ba4 Qd6 11. a3 Rd8 12. b4 Ba7 13. Ne2 Bg4 14. Bb2 Ne4 15.
Bxc6 bxc6 16. Bd4 Bxf3 17. gxf3 Ng5 18. Kg2 Qh6 19. Ng3 Qh3+ 20. Kh1 Bxd4 21.
exd4 Rd6 22. f4 Rh6 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.18"]
[White "Schranz, Patrick"]
[Black "Falke, Ornella"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1696"]
[BlackElo "2047"]
[PlyCount "111"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2 c6 7. cxd5 cxd5 8. Bd3
Nc6 9. O-O Re8 10. a3 a6 11. Qc2 Bg4 12. Be2 Rc8 13. Qb3 Ne4 14. Nxe4 dxe4 15.
Ng5 e6 16. Nxf7 Kxf7 17. Bxg4 h5 18. Bxe6+ Rxe6 19. d5 Ke7 20. dxe6 b5 21. Bb4+
Nxb4 22. Qxb4+ Kxe6 23. Qxe4+ Kf7 24. Rad1 Qc7 25. Qd5+ Kf8 26. Qd6+ Kf7 27.
Qxa6 Rb8 28. Rc1 Qe7 29. Qc6 Bxb2 30. Rb1 Bxa3 31. Rxb5 Rxb5 32. Qxb5 Bd6 33.
Rb1 Qc7 34. Qb7 Bxh2+ 35. Kf1 Ke6 36. Rb6+ Kf5 37. Qxc7 Bxc7 38. Rb5+ Kf6 39.
Ke2 g5 40. g3 Bd6 41. Rb6 Ke7 42. Rxd6 Kxd6 43. Kf3 Ke5 44. Kg2 Ke4 45. Kf1 Kf3
46. Kg1 Ke4 47. Kg2 Kf5 48. f3 Kf6 49. Kh3 Kf5 50. f4 h4 51. g4+ Kf6 52. fxg5+
Kxg5 53. e4 Kf4 54. Kxh4 Kxe4 55. Kg5 Ke5 56. Kg6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.19"]
[White "Fabig, Holger"]
[Black "Haertel, Leon"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2012"]
[BlackElo "1855"]
[PlyCount "54"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 d5 6. exd5 Nxd5 7. Nxd5 exd5 8.
Ne2 Bg4 9. O-O Be7 10. f3 Bf5 11. g4 Bc8 12. Ng3 O-O 13. f4 f5 14. g5 d4 15.
Re1 Bd6 16. Bd2 Qc7 17. Bd5+ Kh8 18. Qf3 Ne7 19. Bb3 Bd7 20. h4 Bc6 21. Qf2 Ng6
22. Ne2 Rfe8 23. h5 Rxe2 24. Rxe2 Nxf4 25. Bxf4 Bxf4 26. Rf1 Bg3 27. Qxf5 Bh2+
0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.20"]
[White "Pothast, Laurenz"]
[Black "Fellberg, Justus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1944"]
[BlackElo "1746"]
[PlyCount "15"]
[EventDate "2025.04.18"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 Bg4 6. c5 Nd5 7. Qb3 b6 8. Ne5
1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.21"]
[White "Richter, Thomas"]
[Black "Malchereck, Romeo"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1876"]
[BlackElo "1740"]
[PlyCount "37"]
[EventDate "2025.04.18"]

1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Bb5 Nf6 5. Bxc6 bxc6 6. d3 d5 7. e5 Nd7 8. f4
Qc7 9. Nf3 Be7 10. Nbd2 Rg8 11. Qe2 a5 12. a4 Ba6 13. O-O O-O-O 14. c4 d4 15.
Ne4 h6 16. Ba3 Rdf8 17. Nxd4 cxd4 18. Bxe7 Re8 19. Nd6+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.22"]
[White "Strate, Gerda"]
[Black "Kollath, Leno"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "1848"]
[BlackElo "1705"]
[PlyCount "178"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6 6. Bc4 Qa5+ 7. Nc3 Qxe5 8.
g3 Qc7 9. O-O d6 10. Bg5 Ng6 11. Bxf6 gxf6 12. d4 Bg7 13. Qf3 O-O 14. h4 Qd7
15. Rfe1 Qg4 16. Qg2 Qd7 17. Be2 Ne7 18. Qf3 f5 19. Rad1 fxe4 20. Nxe4 d5 21.
Nf6+ Bxf6 22. Qxf6 Qe6 23. Qg5+ Kh8 24. Bd3 f6 25. Rxe6 fxg5 26. Rxe7 gxh4 27.
Rxh7+ Kg8 28. Rxh4 Rf7 29. Re1 Bd7 30. Rh5 Rg7 31. Rhe5 Kf8 32. Bf5 Be8 33. Re6
Rg5 34. Bd3 Rg7 35. Kg2 Rd8 36. Rh6 Kg8 37. Bf5 Rg5 38. Re5 Kg7 39. Rhe6 Bf7
40. Re7 Rb8 41. f4 Rh5 42. Bg4 Rh6 43. Bh5 Rf6 44. Kf3 Kf8 45. Bxf7 Rxf7 46.
R7e6 a5 47. g4 Kg7 48. f5 Rbf8 49. Kf4 a4 50. a3 Kh7 51. Re7 Kg7 52. Kg5 Rg8
53. f6+ Kh7+ 54. Kf5 Rgf8 55. Rxf7+ Rxf7 56. g5 Kg8 57. g6 Rf8 58. Re7 b6 59.
Re6 c5 60. dxc5 bxc5 61. Ra6 d4 62. Rxa4 Rc8 63. Ra6 c4 64. Ke4 Rd8 65. Rc6 d3
66. cxd3 cxd3 67. Rc1 d2 68. Rd1 Rd6 69. Ke3 Rxf6 70. Rxd2 Rxg6 71. Rd8+ Kf7
72. Kd4 Ke7 73. Rc8 Kd7 74. Rc4 Rg3 75. Rc3 Rg4+ 76. Kc5 Kc7 77. Kb5+ Kb7 78.
b4 Rg5+ 79. Rc5 Rg3 80. a4 Rg6 81. a5 Rf6 82. Re5 Rf7 83. a6+ Ka7 84. Ka5 Rf1
85. Re7+ Ka8 86. b5 Rf8 87. a7 Rc8 88. Ka6 Rc6+ 89. Ka5 Ra6+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.23"]
[White "Erk, Ben"]
[Black "Kock, Rudolf"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1743"]
[BlackElo "1627"]
[PlyCount "58"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 c6 4. e4 Bg7 5. e5 Nd5 6. Nxd5 cxd5 7. Bd3 Nc6 8. c3
h6 9. O-O d6 10. exd6 Qxd6 11. Nd2 Be6 12. f4 f5 13. Re1 Bd7 14. Nf3 O-O 15.
Ne5 Nxe5 16. fxe5 Qc6 17. Qf3 e6 18. h4 a6 19. Qg3 Be8 20. a4 Kh7 21. Bd2 Qc7
22. Rec1 Qd7 23. c4 dxc4 24. Rxc4 b5 25. Rb4 Qd5 26. axb5 Bxb5 27. Bxb5 axb5
28. Rxa8 Rxa8 29. Qd3 Bxe5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.24"]
[White "Lasschuit, Rene"]
[Black "Rojas Albores, Graciela Ivonne"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1701"]
[BlackElo "1619"]
[PlyCount "133"]
[EventDate "2025.04.18"]

1. c4 e5 2. e3 c5 3. d4 exd4 4. exd4 cxd4 5. Qxd4 Nc6 6. Qe3+ Qe7 7. Nc3 Qxe3+
8. Bxe3 Bb4 9. Nge2 Nf6 10. a3 Bxc3+ 11. Nxc3 O-O 12. Be2 d6 13. O-O Be6 14.
Rfd1 Rad8 15. Bg5 a6 16. Bxf6 gxf6 17. Ne4 f5 18. Nxd6 Rd7 19. c5 Rfd8 20. Rd3
b6 21. b4 b5 22. f4 Bc4 23. Rg3+ Kf8 24. Bxc4 bxc4 25. Rc3 Rxd6 26. cxd6 Rxd6
27. Rxc4 Nd4 28. Kf2 Nb5 29. Ra2 Rb6 30. Rc5 Nd6 31. Kf3 Kg7 32. Rac2 Nb5 33.
Ra2 Kg6 34. Kg3 Nd4 35. Rd5 Nb5 36. Rad2 Rf6 37. a4 Nc3 38. R2d3 Nxd5 39. Rxd5
Rc6 40. Rc5 Rd6 41. Rc3 f6 42. b5 Kf7 43. Rc7+ Kg6 44. Rc6 Rd3+ 45. Kf2 axb5
46. axb5 Rd2+ 47. Kf3 Rd3+ 48. Ke2 Rb3 49. b6 h5 50. Kd2 h4 51. Kc2 Rb5 52. h3
Rb4 53. Kc3 Rb1 54. Kc4 Rb2 55. Kc5 Rxg2 56. b7 Rc2+ 57. Kd6 Rd2+ 58. Kc7 Rb2
59. b8=Q Rxb8 60. Kxb8 Kf7 61. Rc7+ Kg6 62. Kc8 Kh6 63. Kd8 Kg6 64. Ke8 Kh5 65.
Kf7 Kh6 66. Kxf6 Kh5 67. Rh7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.25"]
[White "Mkrtchyan, Nona"]
[Black "Lohmann, Rene"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1599"]
[BlackElo "1691"]
[PlyCount "52"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be3 Be7 8. Be2
b6 9. O-O Bb7 10. f3 Nbd7 11. b4 Rc8 12. Na2 O-O 13. c4 d5 14. exd5 exd5 15.
Rc1 dxc4 16. Bxc4 Ne5 17. Be2 Nd5 18. Bd2 Re8 19. f4 Nc6 20. Nxc6 Rxc6 21. Rxc6
Bxc6 22. Bxa6 Bd6 23. Bc4 Qa8 24. b5 Bb7 25. Qb3 Bc5+ 26. Rf2 Bxf2+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.26"]
[White "Koop, Michael"]
[Black "Mi, Gufeng"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1569"]
[BlackElo "1659"]
[PlyCount "99"]
[EventDate "2025.04.18"]

1. f4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. b3 Nf6 6. Bb2 e6 7. e3 Be7 8. Na3
a6 9. Nc2 O-O 10. Ncd4 Bd7 11. Be2 Re8 12. O-O Bf8 13. Ne5 Nxe5 14. fxe5 Ne4
15. d3 Nc5 16. Nf3 Bc6 17. d4 Ne4 18. Nd2 Qg5 19. Nxe4 Qxe3+ 20. Nf2 Qg5 21.
Bc1 Qe7 22. Nh3 h6 23. a4 Qb4 24. Ba3 Qc3 25. Bxf8 Kxf8 26. Bh5 Re7 27. Rf3 Qb4
28. Qd3 Kg8 29. Raf1 Rf8 30. Nf4 Ree8 31. Nh3 Qe7 32. Rg3 Qh4 33. Nf4 Qe7 34.
Qe3 Kh7 35. Nd3 Rc8 36. Nc5 Be8 37. Rc1 Rc7 38. Qd3+ Kh8 39. Qd2 Rg8 40. Rgc3
Qh4 41. Bd1 Kh7 42. Qf2 Qe7 43. Bc2+ Kh8 44. Bb1 g6 45. Qc2 Qh4 46. Qd2 Kg7 47.
Rh3 Qg5 48. Qxg5 hxg5 49. Nxe6+ fxe6 50. Rxc7+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.27"]
[White "Klaeke, Gregor"]
[Black "De Vries, Anakin"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1655"]
[PlyCount "60"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bc4 Nbd7 8.
O-O e6 9. Bg5 Be7 10. Re1 O-O 11. h4 Re8 12. Qd2 Qc7 13. Rad1 Rad8 14. Bf4 Bd6
15. Bxd6 Qxd6 16. Qc1 h6 17. Bd3 Bxd3 18. Rxd3 Qc7 19. b4 a5 20. a3 axb4 21.
axb4 e5 22. Rde3 exd4 23. Rxe8+ Rxe8 24. Rxe8+ Nxe8 25. Nxd4 Qd6 26. c3 Nef6
27. Ngf5 Qe5 28. f4 Qe4 29. Nd6 Qd3 30. Nxb7 Nd5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.28"]
[White "Queißer, Jens"]
[Black "Wang, Kaichen"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1653"]
[BlackElo "1599"]
[PlyCount "133"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O Bf5 6. Nbd2 O-O 7. Re1 Nc6 8. c3
Qd7 9. e4 Bg4 10. Qc2 e5 11. d5 Ne7 12. Nf1 Bxf3 13. Bxf3 c6 14. c4 Rac8 15.
Qe2 cxd5 16. cxd5 Rc7 17. Be3 b6 18. Rac1 Rfc8 19. Rxc7 Rxc7 20. Rc1 Qc8 21.
Rxc7 Qxc7 22. Qd1 Qc4 23. b3 Qc8 24. Kg2 Qc7 25. Nd2 b5 26. Be2 a6 27. Nf3 Nxe4
28. Qd3 Nf6 29. Nxe5 Nfxd5 30. Ng4 Qc3 31. Qe4 Qc6 32. Bf3 Nxe3+ 33. Nxe3 Qxe4
34. Bxe4 f5 35. Bb7 a5 36. Nd5 Nxd5 37. Bxd5+ Kf8 38. f4 Ke7 39. Kf3 h5 40. h4
Kd7 41. Bf7 d5 42. Bxg6 d4 43. Bxf5+ Kd6 44. Bg6 Kc5 45. Ke4 Kb4 46. Bxh5 Ka3
47. Bf7 Kb2 48. Kd3 b4 49. g4 Kxa2 50. g5 Ka3 51. h5 a4 52. bxa4 Kxa4 53. h6
Bxh6 54. gxh6 b3 55. Bxb3+ Kxb3 56. h7 Kb4 57. h8=Q Kc5 58. Qxd4+ Kc6 59. Kc4
Kb7 60. Kb5 Kc7 61. Kc5 Kb7 62. Qd7+ Ka6 63. Qd3+ Kb7 64. Kb5 Kc7 65. Qd5 Kc8
66. Kb6 Kb8 67. Qb7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.29"]
[White "Falke, Franziska"]
[Black "Majewski, Nico"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1631"]
[PlyCount "70"]
[EventDate "2025.04.18"]

1. c4 e6 2. e4 c5 3. d3 Nc6 4. Nf3 Qc7 5. g3 Nf6 6. Bg2 d5 7. Nc3 d4 8. Ne2 h6
9. Bf4 e5 10. Bd2 Bd6 11. Qa4 Bd7 12. a3 O-O 13. h4 a6 14. Rb1 b5 15. Qc2 bxc4
16. Qxc4 Be6 17. Qa4 a5 18. Nh2 Rfb8 19. O-O Bb3 20. Qxb3 Rxb3 21. f4 Rab8 22.
Bc1 Rxa3 23. f5 Rxd3 24. Rf3 Rxf3 25. Nxf3 Nxe4 26. g4 Nc3 27. Ra1 Nxe2+ 28.
Kf1 Nxc1 29. Rxc1 Rxb2 30. h5 e4 31. Ne1 Bh2 32. Bxe4 Qf4+ 33. Nf3 Qxc1+ 34.
Ne1 Bg3 35. Bxc6 Qxe1# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.30"]
[White "Hajjar, Ahmad"]
[Black "Ikwuka, God´sfavour"]
[Result "0-1"]
[ECO "C40"]
[BlackElo "1628"]
[PlyCount "28"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Nf6 4. Nc3 fxe4 5. d4 d5 6. Bg5 Be7 7. Bxf6 Bxf6 8.
Qh5+ g6 9. Nxg6 hxg6 10. Qxg6+ Ke7 11. O-O-O Be6 12. Ne2 Qg8 13. Nf4 Bg5 14.
Qxg8 Bxf4+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.31"]
[White "Schwarzkopf, Jörg"]
[Black "Köhler, Nils"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1863"]
[BlackElo "1513"]
[PlyCount "114"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. d3 Nc6 5. O-O e5 6. e4 dxe4 7. dxe4 Qxd1 8.
Rxd1 Bg4 9. Re1 Bxf3 10. Bxf3 Nd4 11. Bd1 Be7 12. c3 Nc6 13. Ba4 O-O 14. Bxc6
bxc6 15. Nd2 Rfd8 16. Nc4 Nd7 17. Be3 f6 18. Red1 Nb6 19. Na5 Rxd1+ 20. Rxd1
Rc8 21. b3 c4 22. Bxb6 axb6 23. Nxc4 Rd8 24. Rxd8+ Bxd8 25. a4 Kf7 26. Kf1 Ke7
27. Ke2 Kd7 28. Kd3 b5 29. axb5 cxb5 30. Na3 Kc6 31. c4 b4 32. Nc2 Kc5 33. f3
h5 34. Ne3 g6 35. Nd5 f5 36. h3 h4 37. g4 f4 38. Ke2 g5 39. Kd3 Ba5 40. Ne7 Bd8
41. Nd5 Ba5 42. Nf6 Bd8 43. Nd7+ Kd6 44. Nb8 Ba5 45. Na6 Kc6 46. c5 Kb5 47. Nb8
Kxc5 48. Nd7+ Kd6 49. Nf8 Kc6 50. Kc4 Bd8 51. Ng6 Bc7 52. Kxb4 Bd6+ 53. Kc4 Kb6
54. Kd5 Bb8 55. Nxe5 Bc7 56. Nf7 Kb5 57. Nxg5 Kb4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.32"]
[White "Pavlov, Dmitriy"]
[Black "Bezverkhiy, Dmitry"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1647"]
[BlackElo "1598"]
[PlyCount "83"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 e6 6. Be3 Nge7 7. Bd3 Ng6 8. Bxg6
hxg6 9. c3 Bd7 10. Nbd2 Be7 11. Nb3 O-O 12. O-O Qc7 13. Bd4 Nxd4 14. cxd4 f6
15. Qc2 f5 16. Qd2 Qd8 17. h3 Kf7 18. g3 Rh8 19. h4 Rh5 20. Kg2 g5 21. hxg5
Bxg5 22. Nxg5+ Qxg5 23. Qxg5 Rxg5 24. f4 Rg4 25. Rh1 g5 26. Rh7+ Kg6 27. Rxd7
gxf4 28. Kf3 fxg3 29. Rg1 Rh8 30. Rxg3 Rhh4 31. Rxg4+ Rxg4 32. Re7 Re4 33.
Rxe6+ Kg5 34. Re8 f4 35. e6 Re3+ 36. Kf2 Kf5 37. Rf8+ Ke4 38. e7 Rf3+ 39. Ke2
Re3+ 40. Kd2 Rd3+ 41. Kc2 Re3 42. e8=Q+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.33"]
[White "Wang, Huanying"]
[Black "Abram, Kristina-Maria"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1422"]
[BlackElo "1477"]
[PlyCount "66"]
[EventDate "2025.04.18"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 O-O 5. O-O d6 6. c3 Bg4 7. Nbd2 Nc6 8. h3
Bh5 9. Qb3 Na5 10. Qb5 b6 11. Nb3 a6 12. Qa4 b5 13. Qxa5 bxc4 14. Nxc5 dxc5 15.
Nxe5 cxd3 16. Nc6 Qd6 17. Qa4 d2 18. e5 Qd3 19. Qf4 d1=Q 20. Kh2 Q3xf1 21. Ne7+
Kh8 22. exf6 Qh1+ 23. Kg3 Qd3+ 24. Kh4 Qxg2 25. fxg7+ Qxg7 26. Be3 Rae8 27. Qh6
Qe4+ 28. Bf4 Qxe7+ 29. Bg5 Qxh6 30. Bxe7 Rxe7 31. Rg1 Re4+ 32. Kg3 Rg8+ 33. Kh2
Qf4+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.34"]
[White "Lascheit, Andreas"]
[Black "Sengupta, Aroop Ratan"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "115"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. Nc3 Nbd7 7. Bf4 a6 8. a4
b6 9. Ne5 Nxe5 10. Bxe5 Nd7 11. Bf4 Bb7 12. Qd2 c5 13. e3 Nf6 14. Bg5 h6 15.
Bxf6 Bxf6 16. Ne2 c4 17. c3 Qd7 18. f4 Rfe8 19. Qc2 Be7 20. f5 Bg5 21. e4 exf5
22. exf5 Be3+ 23. Kh1 Re7 24. f6 gxf6 25. Rxf6 Qc7 26. Nf4 Bxf4 27. Rxf4 Qd7
28. Raf1 Rae8 29. Rf6 Re6 30. Qf2 Rxf6 31. Qxf6 Re6 32. Qh4 Qe7 33. Qf4 Qe8 34.
Bh3 Rg6 35. Bf5 Rc6 36. Qg4+ Kh8 37. Bd7 Qe4+ 38. Qxe4 dxe4 39. Bxc6 Bxc6 40.
Rxf7 Bxa4 41. Re7 Bc2 42. d5 Kg8 43. d6 Kf8 44. Re5 Ba4 45. Kg1 Bc6 46. Kf2 Kf7
47. Ke3 Kf8 48. Kf4 a5 49. g4 b5 50. g5 hxg5+ 51. Kxg5 b4 52. Rxa5 bxc3 53.
bxc3 Kf7 54. Re5 Kf8 55. h4 Kg8 56. Re7 Kf8 57. Kf6 Be8 58. Rxe4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.1"]
[White "Koniahli, Malek"]
[Black "Bracker, Arne"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2309"]
[BlackElo "2289"]
[PlyCount "102"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 O-O 6. Qc2 dxc4 7. bxc4 c5 8. Bd3
Nc6 9. a3 b6 10. g4 e5 11. g5 e4 12. gxf6 exd3 13. fxe7 dxc2 14. exd8=Q cxb1=Q+
15. Rxb1 Rxd8 16. Rg1 g6 17. Ng5 Bf5 18. e4 Re8 19. d3 Rad8 20. Ke2 h6 21. Nf3
Kh7 22. Nd2 Bc8 23. f3 f5 24. Nf1 f4 25. Nd2 Be6 26. Rbd1 a6 27. Bf6 Rd6 28.
Rb1 Bd7 29. Ba1 b5 30. cxb5 axb5 31. Rgc1 Ne5 32. Rb3 b4 33. Rxc5 Nf7 34. Rxb4
g5 35. Rb7 Be6 36. a4 Kg6 37. a5 Red8 38. Rb6 g4 39. fxg4 Bxg4+ 40. Kf1 Rxb6
41. axb6 Rxd3 42. b7 Rxd2 43. Rd5 Ra2 44. Bc3 Bh3+ 45. Ke1 f3 46. Rd2 Rxd2 47.
Bxd2 Ne5 48. b8=Q Nd3+ 49. Kd1 Nf2+ 50. Kc2 Nxe4 51. Qe8+ Kf6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.2"]
[White "Kotyk, Michael"]
[Black "Colpe, Malte"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2239"]
[BlackElo "2373"]
[PlyCount "115"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bf4 Bf5 8. Bd3
Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. Nf3 Nbd7 12. O-O O-O 13. Rfe1 Rfe8 14. Re2
Re7 15. Rae1 Rae8 16. a3 Ne4 17. Nd2 Qg6 18. Ndxe4 dxe4 19. Qc4 Qg5 20. Rd2 Re6
21. d5 Rg6 22. g3 Qf5 23. f4 exf3 24. dxc6 Ne5 25. Qf1 f2+ 26. Qxf2 Qg4 27. Kh1
Nf3 28. cxb7 Nxd2 29. Qxd2 Qf3+ 30. Kg1 Qxb7 31. e4 h5 32. b4 h4 33. Kg2 hxg3
34. hxg3 Qc7 35. Re3 Qf4 36. Qe2 Qg5 37. Nd5 Rd6 38. Nf4 Qe5 39. Nd3 Qd4 40.
Nc5 Qe5 41. Nd3 Qa1 42. Nf2 Qc1 43. Rf3 Rc8 44. Qb5 Qc7 45. Rf5 Rc6 46. Rh5 Rg6
47. Rg5 a6 48. Qf5 Rxg5 49. Qxg5 Qc6 50. Qf4 Re8 51. Qf3 Re6 52. g4 Qc2 53. Qg3
Re8 54. Qd6 Qe2 55. Qd5 Qb5 56. Qd6 Rc8 57. Qd4 Qg5 58. Qd6 {Rest nicht
rekonstruierbar. 0-1 nch 65 Zügen} 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.3"]
[White "Alpers, Arne"]
[Black "Holinka, Henning"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1922"]
[BlackElo "2292"]
[PlyCount "44"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 c4 8. Be2
Nbd7 9. O-O h6 10. Bh4 Bb4 11. Bxf6 Qxf6 12. Ne5 Bxc3 13. Nxd7 Bxd7 14. bxc3
O-O 15. Qb1 b5 16. Bf3 Qd6 17. a4 bxa4 18. Qb7 Bc6 19. Qa6 Rfb8 20. Rfb1 Qc7
21. Rxb8+ Rxb8 22. Bd1 Bb5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.4"]
[White "Keyser, Robin"]
[Black "Sharma, Rishi"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2169"]
[BlackElo "1850"]
[PlyCount "35"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 Nxg5 4. hxg5 c5 5. d5 Qb6 6. Nd2 g6 7. e4 Bg7 8. Nc4
Qc7 9. a4 Qf4 10. Ra3 Bd4 11. Nf3 Qxe4+ 12. Be2 d6 13. c3 Bg7 14. Rh4 Bg4 15.
Ne3 h5 16. gxh6 Rxh6 17. Rxg4 Rh1+ 18. Bf1 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.5"]
[White "Reddmann, Hauke"]
[Black "Kellner, Anton"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2171"]
[BlackElo "1797"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 c5 5. Nd2 Bd6 6. Ngf3 O-O 7. Ne5 Qc7 8. Bg3
Nc6 9. f4 Ne4 10. Nxe4 dxe4 11. Nc4 Be7 12. d5 Rd8 13. f5 e5 14. Qc2 Rxd5 15.
Qxe4 Qd8 16. Nxe5 Nxe5 17. Bxe5 Bxf5 18. Qxf5 Bd6 19. Qf2 Rxe5 20. Bc4 Qe7 21.
O-O-O Rd8 22. Rhf1 Rd7 23. Qd2 Qg5 24. Rxf7 Rxf7 25. Qxd6 Qxe3+ 26. Kc2 Qe4+
27. Kb3 a6 28. Qxe5 Qxe5 29. Rd8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.6"]
[White "Heins, Simon"]
[Black "Hort, Max"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1777"]
[BlackElo "2007"]
[PlyCount "31"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Nbd7 7. Bc4 Ke8
8. O-O-O c6 9. f3 b5 10. Bd3 Bc5 11. Nge2 h6 12. Bh4 a5 13. Rhf1 Ng8 14. Bf2
Ne7 15. g3 Ng6 16. f4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.7"]
[White "Porth, Hartmut"]
[Black "Marx, Jakob"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1996"]
[BlackElo "1589"]
[PlyCount "47"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5
8. Ne2 b5 9. Bf4 Bb7 10. f3 O-O-O 11. c4 c6 12. Nd2 f6 13. O-O-O g5 14. Bg3 Ne7
15. Nb3 Ng6 16. Rxd8+ Kxd8 17. Rd1+ Ke8 18. Bf2 Ne5 19. cxb5 c4 20. bxc6 Bxc6
21. Nbd4 Nd3+ 22. Rxd3 cxd3 23. Nxc6 dxe2 24. Kd2 {Rest nicht rekonstruierbar}
1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.8"]
[White "Holmsgaard, Henrik"]
[Black "Skibbe, Kai"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2146"]
[BlackElo "1840"]
[PlyCount "51"]
[EventDate "2025.04.18"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 a6 7. Bc4 Nb6 8.
Bb3 Bg4 9. Ne5 Be6 10. Bxe6 fxe6 11. Qh5+ g6 12. Nxg6 hxg6 13. Qxh8 Qd3 14. h4
Nc6 15. Rh3 Qf5 16. Rf3 Qe5+ 17. Qxe5 Nxe5 18. Re3 Bg7 19. f4 Ned7 20. Rxe6 Kf7
21. Re3 Rc8 22. b3 Nd5 23. Nxd5 Bxa1 24. Rxe7+ Kf8 25. Ba3 Re8 26. Rxe8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.9"]
[White "Knaak, Michael"]
[Black "Kahlert, Thomas"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1842"]
[BlackElo "2104"]
[PlyCount "61"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nc3 Nf6 3. a3 Nc6 4. Nf3 Be7 5. d4 d6 6. Bb5 Bd7 7. O-O O-O 8. Re1
Re8 9. Bxc6 Bxc6 10. Qd3 exd4 11. Nxd4 Nd7 12. Nxc6 bxc6 13. f4 Bf6 14. Bd2 Qc8
15. Rab1 a5 16. g4 Nc5 17. Qf3 Ne6 18. Ne2 Nd4 19. Nxd4 Bxd4+ 20. Be3 Bxe3+ 21.
Rxe3 a4 22. Kf2 Qe6 23. Ra1 Qf6 24. c3 Rab8 25. Re2 h6 26. Kg3 g5 27. Rd1 Rb5
28. Rd4 Ra8 29. e5 dxe5 30. fxe5 Qe6 31. Qf6 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.10"]
[White "Iachanou, Daniel"]
[Black "Pothast, Laurenz"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1704"]
[BlackElo "1944"]
[PlyCount "29"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4
Be6 9. Nd5 Nbd7 10. Qd3 Bxd5 11. Bxd5 Nxd5 12. Qxd5 b5 13. Bg5 Bxg5 14. Nxg5
O-O 15. Nf3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.11"]
[White "Soost, Stefan"]
[Black "Schranz, Patrick"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "1934"]
[BlackElo "1696"]
[PlyCount "59"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O a6 6. Ba4 Nxd4 7. Bxd7+ Qxd7 8.
Nxd4 exd4 9. Qxd4 O-O-O 10. Nc3 Nf6 11. a4 Be7 12. b4 b6 13. a5 c5 14. bxc5
bxc5 15. Qc4 Qc6 16. Rb1 d5 17. exd5 Nxd5 18. Nxd5 Rxd5 19. Rb6 Qa8 20. Rxa6
Qb7 21. Rb6 Qa8 22. Bf4 Rd4 23. Qxf7 Qe4 24. Rb8+ Kd7 25. Rxh8 Qe2 26. Qf5+ Kc6
27. Rc8+ Kb5 28. Rb8+ Kc4 29. Qf7+ Kc3 30. Qb3# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.12"]
[White "Schiller, Thomas"]
[Black "Thürauf, Peter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1877"]
[BlackElo "1772"]
[PlyCount "37"]
[EventDate "2025.04.18"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. Qxd4 e6 7. exd6 Qxd6 8.
Nbd2 Nf6 9. Qe3 Be7 10. Bc4 O-O 11. O-O Nc6 12. Bb3 Nd5 13. Qd3 Nf4 14. Qxd6
Ne2+ 15. Kh1 Bxd6 16. Ne4 Nxc1 17. Nxd6 Nxb3 18. axb3 e5 19. Nxc8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.13"]
[White "Winklmann, Alexander"]
[Black "Richter, Thomas"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1593"]
[BlackElo "1876"]
[PlyCount "52"]
[EventDate "2025.04.18"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bb4 4. Nd5 Be7 5. Bg2 Nf6 6. e3 d6 7. Ne2 Bd7 8. Nec3
a6 9. Qe2 h5 10. h4 Bg4 11. Bf3 Nxd5 12. Nxd5 f5 13. Bxg4 hxg4 14. b3 e4 15.
Bb2 Ne5 16. Bxe5 dxe5 17. Rd1 c6 18. Nc3 Qa5 19. Ra1 O-O-O 20. O-O g5 21. hxg5
Bxg5 22. Nxe4 Be7 23. Nc3 e4 24. Rfd1 Bf6 25. Rac1 Rd7 26. Na4 Rdh7 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.14"]
[White "Haertel, Leon"]
[Black "Gökten, Aras"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1855"]
[PlyCount "47"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bf5 5. Nc3 e6 6. a3 a5 7. Bd2 Bd6 8. h3 Nbd7
9. c5 Bc7 10. b4 axb4 11. axb4 O-O 12. Be2 e5 13. dxe5 Nxe5 14. O-O Qe7 15. Nd4
Qd7 16. Rxa8 Rxa8 17. f4 Nd3 18. g4 Be4 19. Nxe4 dxe4 20. Bxd3 exd3 21. Qb3
Nxg4 22. hxg4 Qxg4+ 23. Kf2 Qh4+ 24. Kg2 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.15"]
[White "Speck, Jakob"]
[Black "Rudolph, Max"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1817"]
[BlackElo "1864"]
[PlyCount "169"]
[EventDate "2025.04.18"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8.
O-O e6 9. Bf4 Qd7 10. h3 Bxf3 11. Bxf3 O-O-O 12. Ne2 Nxd4 13. Nxd4 Qxd4 14. Qe2
Bd6 15. Rfd1 Qb6 16. Rd3 Nd5 17. Bg5 Bxg3 18. Bxd5 Rxd5 19. Rxd5 exd5 20. Qg4+
Kb8 21. Qxg3 Qxb2 22. Re1 Rc8 23. Bf4 Qb4 24. Bxc7+ Ka8 25. Re3 g6 26. Bd6 Qb1+
27. Kg2 Qxc2 28. Re7 Qf5 29. Qb3 b5 30. Re5 Qc2 31. Re8 Qc6 32. Rxc8+ Qxc8 33.
Qxd5+ Qb7 34. Qf3 a5 35. a3 Ka7 36. Bc5+ Ka6 37. Qxb7+ Kxb7 38. Kf3 Kc6 39. Be7
Kd5 40. Kf4 Ke6 41. Bf8 f6 42. h4 h5 43. Bc5 Kd5 44. Be7 Ke6 45. Bd8 b4 46.
Bxa5 bxa3 47. Bc3 a2 48. f3 Kf7 49. Kg3 Ke6 50. Kf4 Kf7 51. Ke4 g5 52. f4 Kg6
53. f5+ Kf7 54. Kf3 Ke7 55. Bb4+ Kf7 56. Bc3 Ke7 57. Bb2 Kf7 58. Bd4 Ke7 59.
Bc5+ Kf7 60. Bd4 Ke7 61. Ke2 Kf7 62. Bc3 Ke7 63. Bb2 Kf7 64. Bd4 Ke7 65. Bc5+
Kf7 66. Bd4 Ke7 67. Kf2 Kf7 68. Bc3 Ke7 69. Bb4+ Kf7 70. Bc3 Ke7 71. Kg3 Kf7
72. Bd4 Ke7 73. Bc5+ Kf7 74. Bd4 Ke7 75. hxg5 fxg5 76. Kf3 Kf7 77. Ke4 Ke7 78.
Bc3 Kd6 79. Bb4+ Kd7 80. Bc3 Ke7 81. Be5 Kf7 82. Bd4 Ke7 83. Bc5+ Kf7 84. Bd4
Ke7 85. Kf3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.16"]
[White "Busch, Jonathan Luis"]
[Black "Malchereck, Zion"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1661"]
[BlackElo "2063"]
[PlyCount "118"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 e6 7. Be3 cxd4 8.
cxd4 Bd6 9. Nc3 Qa5 10. h3 O-O 11. O-O Ne7 12. Qd2 Qd8 13. Bf4 Ned5 14. Bxd6
Qxd6 15. Ne5 a6 16. Bf3 b5 17. Rac1 Bb7 18. Nxd5 Bxd5 19. Bxd5 Qxd5 20. b3 Rac8
21. Rfd1 {(=)} h6 22. Qe3 Rfd8 23. Nf3 b4 24. Qd2 Qa5 25. Rc4 Nd5 26. Ra1 Nc3
27. Ne5 Rxc4 28. Nxc4 Qd5 29. a3 a5 30. axb4 axb4 31. Ne3 Qxd4 32. Qxd4 Rxd4
33. Ra8+ Kh7 34. Rb8 Na2 35. Nc2 Rd3 36. Nxb4 Rxb3 37. Nc6 Rxb8 38. Nxb8 {(=)}
Kg6 39. Kh2 Kf5 40. Kg3 e5 41. Nc6 Ke6 42. Na5 Kd5 43. Nb3 f5 44. Nd2 g5 45. f3
Kd4 46. h4 Kc3 47. hxg5 hxg5 48. Nf1 Nc1 49. Kh2 Ne2 50. Ne3 Nd4 51. Kg1 Kd3
52. Kf2 e4 53. fxe4 fxe4 54. g3 {(=)} Nb5 55. Ng4 Nd6 56. Ne5+ Kd2 57. Ng4 Nc4
58. Kg2 e3 59. Nxe3 Kxe3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.17"]
[White "Atri, Jamshid"]
[Black "Neumann, Hannes"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2029"]
[BlackElo "1655"]
[PlyCount "94"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8.
Nxc3 d5 9. exd5 exd5 10. Bd3 O-O 11. O-O d4 12. Ne2 Bg4 13. f3 Bh5 14. b4 Qb6
15. Kh1 Rfd8 16. Bg5 Ne5 17. Nf4 Bg6 18. Nxg6 hxg6 19. Be2 Rac8 20. Re1 Nc4 21.
Qd3 Ne3 22. Ra2 Rc3 23. Qd2 Rdc8 24. Bd3 Nfd5 25. Bxe3 Nxe3 26. h3 Qe6 27. Raa1
Qf6 28. Ra2 Qh4 29. Re2 Nf1 30. Qe1 Qxe1 31. Rxe1 Ne3 32. Re2 Kh7 {(=)} 33. g4
Kh6 34. h4 g5 35. h5 g6 36. hxg6 fxg6 37. Be4 b6 38. a4 R3c4 39. Rb2 Nd1 40.
Rb3 Nc3 41. Rd2 Nxe4 42. fxe4 Rxc2 43. Rxd4 Rc1+ 44. Kg2 R8c2+ 45. Kf3 Rh1 46.
Kg3 Rg1+ 47. Kh3 Rh1+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.18"]
[White "Pittelkow, Andreas"]
[Black "Majewski, Nico"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2010"]
[BlackElo "1631"]
[PlyCount "71"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 e5 7. Nc3 Nc6 8. Rb1
a5 9. a3 Nh5 10. b4 axb4 11. axb4 f5 12. Bd2 h6 13. b5 Ne7 14. Qb3 Be6 15. Rfc1
f4 16. Ne1 fxg3 17. hxg3 Qc8 18. Ne4 Bh3 19. Bh1 Qf5 20. Nc2 Nf6 21. Ne3 Qc8
22. Ra1 Nxe4 23. Bxe4 Kh7 24. Rxa8 Qxa8 25. Bc3 Rf7 26. Ra1 Qf8 27. Be1 Nf5 28.
Nxf5 gxf5 29. Bxb7 f4 30. Ra8 Qe7 31. Be4+ Bf5 32. Bxf5+ Rxf5 33. c5 Qg5 34.
Qg8+ Kg6 35. Qe8+ Kh7 36. Qg8+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.19"]
[White "Ikwuka, God´sfavour"]
[Black "Loayza, Ignacio"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1628"]
[BlackElo "1811"]
[PlyCount "93"]
[EventDate "2025.04.18"]

1. e4 c6 2. f4 d5 3. e5 e6 4. Nf3 Nh6 5. d4 Nf5 6. Be2 c5 7. c3 Nc6 8. Bb5 Qb6
9. Bxc6+ bxc6 10. O-O cxd4 11. cxd4 c5 12. dxc5 Bxc5+ 13. Kh1 Ba6 14. Nc3 Bxf1
15. Qxf1 O-O 16. g4 Ne7 17. Qd3 f6 18. f5 exf5 19. gxf5 Rad8 20. e6 Qb4 21. h3
Qc4 22. Qxc4 dxc4 23. Ne4 Rd1+ 24. Kg2 Be3 25. Bxe3 Rxa1 26. Bc5 Nxf5 27. Bxf8
Kxf8 28. Nfd2 Rc1 29. Kf3 Ke7 30. Nc3 Nd6 31. Ke3 Rc2 32. Nde4 Nxe4 33. Kxe4
Rxb2 34. Kd5 Rh2 35. Kxc4 Kxe6 36. a4 Rxh3 37. Nb5 Rh4+ 38. Kb3 a5 39. Nc7+ Ke5
40. Na6 Rh3+ 41. Kc4 Ke4 42. Nc5+ Ke3 43. Kb5 f5 44. Kxa5 f4 45. Kb6 f3 46. a5
f2 47. a6 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.20"]
[White "Wang, Kaiwen"]
[Black "Queißer, Jens"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1749"]
[BlackElo "1653"]
[PlyCount "88"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. a3 Be7 7. Nf3 O-O 8. c5
Nc6 9. Bb5 Qc7 10. O-O a6 11. Bxc6 bxc6 12. Ne5 Nd7 13. Bf4 Nxe5 14. Bxe5 Qd7
15. Na4 Ra7 16. Nb6 Qd8 17. Re1 f6 18. Bg3 e5 19. b4 Rb7 20. dxe5 Rxb6 21. cxb6
Qxb6 22. Qd2 fxe5 23. Bxe5 Qa7 24. Qe3 Qxe3 25. fxe3 Bh4 26. Rf1 Bg4 27. Rxf8+
Kxf8 28. Rf1+ Ke7 29. Rf4 h5 30. h3 Bg5 31. hxg4 hxg4 32. Rxg4 Bxe3+ 33. Kf1 g5
34. Rg3 Bc1 35. Rc3 Bb2 36. Re3 Bc1 37. Re1 Bd2 38. Re2 Bxb4 39. axb4 Ke6 40.
g4 Kf7 41. Bd4 Kg6 42. Re6+ Kf7 43. Rxc6 Ke7 44. Rxa6 Ke8 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.21"]
[White "Kollath, Leno"]
[Black "Koop, Michael"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1705"]
[BlackElo "1569"]
[PlyCount "105"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 b6 6. Bf4 Bd7 7. Nf3 Nc6 8. O-O
Nh5 9. Be3 g6 10. Re1 Qc7 11. Nbd2 Nf4 12. Bxf4 Qxf4 13. Nf1 Bg4 14. Bb5 Bd7
15. Qa4 Qc7 16. Ne3 O-O-O 17. Nxd5 Qd6 18. Nb4 Nxb4 19. cxb4 Kb8 20. Ne5 Bxb5
21. Qxb5 Qd5 22. Qxd5 Rxd5 23. Nxf7 Rg8 24. Ne5 Kb7 25. Rad1 Bg7 26. Nf3 Rgd8
27. Rxe7+ R8d7 28. Rxd7+ Rxd7 29. h3 Kc6 30. Kf1 Kb5 31. a3 Kc4 32. Ke2 Rd5 33.
Rd3 Kb5 34. b3 Ka6 35. Rd1 Kb7 36. Kd3 Kc7 37. Rc1+ Kd6 38. Rc8 a5 39. Rd8+ Kc6
40. Rxd5 Kxd5 41. bxa5 bxa5 42. b4 axb4 43. axb4 Bf6 44. g4 h6 45. h4 g5 46.
hxg5 hxg5 47. b5 Bd8 48. Nd2 Bc7 49. Nc4 Bd8 50. Ne3+ Kd6 51. Ke4 Ke6 52. Nc4
Kd7 53. d5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.22"]
[White "De Vries, Anakin"]
[Black "Lasschuit, Rene"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "1701"]
[PlyCount "104"]
[EventDate "2025.04.18"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. cxd4 Nxe4 5. Bd3 d5 6. Nf3 Nc6 7. O-O e6 8.
Be3 Bd7 9. a3 Be7 10. Nbd2 Nxd2 11. Qxd2 Na5 12. Qe2 Rc8 13. Rfc1 a6 14. Rxc8
Bxc8 15. b4 Nc6 16. Bd2 Bd7 17. b5 axb5 18. Bxb5 Na7 19. Bxd7+ Qxd7 20. a4 O-O
21. Bf4 Bd6 22. Bxd6 Qxd6 23. Qb2 Qa6 24. Ne5 Rd8 25. Qb1 Nc6 26. Nxc6 Qxc6 27.
g3 b6 28. Qb4 Ra8 29. Kg2 g6 30. f4 Ra6 31. Kf3 Kg7 32. Ra3 Kf6 33. g4 Qc4 34.
Qxc4 dxc4 35. Ke3 b5 36. a5 Ke7 37. Kd2 Kd6 38. Ra1 Kd5 39. Kc3 Ke4 40. Kb4
Kxd4 41. Rd1+ Ke4 42. Kxb5 Ra8 43. Rc1 Kd3 44. Rxc4 Rxa5+ 45. Kxa5 Kxc4 46. Kb6
Kd4 47. Kc6 Ke4 48. h4 Kxf4 49. g5 e5 50. Kd6 e4 51. Ke7 Kg4 52. Kxf7 Kxh4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.23"]
[White "Falke, Ornella"]
[Black "Babychev, Mykhailo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2047"]
[BlackElo "1698"]
[PlyCount "41"]
[EventDate "2025.04.18"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 dxe4 7. dxe4 Be7 8.
O-O O-O 9. e5 Nd5 10. Qe2 Qc7 11. a3 Nd4 12. Nxd4 cxd4 13. Nb3 Bc5 14. Rd1 Qb6
15. Qc4 Be7 16. Rxd4 Bd7 17. Qd3 Bb5 18. c4 Ba6 19. Qd1 Nc7 20. Be3 Bd8 21. Rd6
1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.24"]
[White "Malchereck, Romeo"]
[Black "Fabig, Holger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1740"]
[BlackElo "2012"]
[PlyCount "60"]
[EventDate "2025.04.18"]

1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Bf4 Nf6 5. f3 d5 6. e5 Nfd7 7. c3 c5 8. Ne2 Nc6
9. a3 Be7 10. O-O Qc7 11. Bg3 O-O-O 12. b4 c4 13. Bc2 h5 14. Bf2 h4 15. Nd2 g5
16. f4 gxf4 17. Nxf4 Rdg8 18. Nf3 Rg4 19. Be3 Rhg8 20. h3 Rg3 21. Bf2 R3g7 22.
Bxh4 Bxh4 23. Nxh4 Ncxe5 24. dxe5 Qxe5 25. Qd2 Qd6 26. Rae1 Rh8 27. Qf2 Rg5 28.
Nf3 Rg7 29. Qd4 Rhg8 30. Rf2 Re8 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.25"]
[White "Lohmann, Rene"]
[Black "Schwarzkopf, Jörg"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1691"]
[BlackElo "1863"]
[PlyCount "35"]
[EventDate "2025.04.18"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. g3 Nf6 5. d4 e4 6. Nh4 d5 7. e3 Ne7 8. Ng2 Be6
9. Nf4 Bf7 10. cxd5 Nexd5 11. Ncxd5 Nxd5 12. Bd2 Nxf4 13. gxf4 Bd6 14. Be2 O-O
15. Bc3 c6 16. Rg1 g6 17. d5 Be7 18. Qd4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.26"]
[White "Kock, Rudolf"]
[Black "Strate, Gerda"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1627"]
[BlackElo "1848"]
[PlyCount "64"]
[EventDate "2025.04.18"]

1. f4 e6 2. Nf3 d5 3. b3 Nc6 4. e3 Be7 5. Bb2 Bf6 6. c3 e5 7. Bb5 exf4 8. exf4
Qe7+ 9. Qe2 Bd7 10. Qxe7+ Ngxe7 11. O-O O-O-O 12. d4 Nf5 13. Bxc6 Bxc6 14. Ne5
Nd6 15. Ba3 Be8 16. Nd2 Be7 17. Ndf3 f6 18. Nd3 Bg6 19. Rfe1 Bf8 20. Nf2 Nb5
21. Bxf8 Rhxf8 22. Rac1 Rfe8 23. g4 h5 24. h3 hxg4 25. hxg4 Be4 26. Nd2 f5 27.
Ndxe4 fxe4 28. Re3 Rf8 29. a4 Nd6 30. Nh3 Rh8 31. Kg2 g6 32. Rh1 Rh4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.27"]
[White "Fellberg, Justus"]
[Black "Pavlov, Dmitriy"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1746"]
[BlackElo "1647"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 e6 2. Qe2 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Bd6 8.
O-O O-O 9. d4 Ne7 10. b3 c6 11. Bb2 Ned5 12. a4 Nxc3 13. Bxc3 Re8 14. Rad1 Qc7
15. Rfe1 b6 16. Bb2 Bb7 17. Ne5 Nd7 18. f4 Nxe5 19. fxe5 Bf8 20. c4 Rad8 21.
Qg4 Rd7 22. Re3 Red8 23. Red3 g6 24. h4 h5 25. Qf4 Bg7 26. Be4 Kh7 27. Qf3 Rg8
28. Qxh5+ Bh6 29. Bc1 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.28"]
[White "Erk, Ben"]
[Black "Mkrtchyan, Nona"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1743"]
[BlackElo "1599"]
[PlyCount "89"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c5 6. Qb3 b6 7. cxd5 exd5 8. Bb5+
Bd7 9. Nxd5 Bxb5 10. Qxb5+ Nbd7 11. Nxf6+ Qxf6 12. Ne5 Rd8 13. O-O Bd6 14. Nxd7
Rxd7 15. Re1 Kd8 16. d5 Qe5 17. f4 Qxd5 18. e4 Qd4+ 19. Kf1 f6 20. Qc6 Re8 21.
e5 fxe5 22. Be3 Qc4+ 23. Kg1 e4 24. Rad1 Qe6 25. g3 Rf8 26. Rf1 Ke7 27. f5 Rxf5
28. Rxf5 Qxf5 29. Rd5 Qe6 30. Bg5+ Kf7 31. Rd1 h6 32. Rf1+ Kg6 33. Bf4 e3 34.
Re1 Rd8 35. Rxe3 Qf6 36. Qe4+ Kf7 37. Rf3 Kg8 38. Bd2 Qd4+ 39. Qxd4 cxd4 40.
Kf2 Be5 41. Ke2 d3+ 42. Rxd3 Rxd3 43. Kxd3 Bxb2 44. a4 Kf7 45. Be3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.29"]
[White "Mi, Gufeng"]
[Black "Lascheit, Andreas"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1659"]
[PlyCount "108"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 d6 6. h3 Nbd7 7. O-O b6 8. c4
Bb7 9. Nc3 a5 10. a4 Nh5 11. Bh2 e5 12. d5 e4 13. Nxe4 Bxb2 14. Rb1 Bg7 15. Qc2
Qe7 16. Nc3 Nc5 17. Rfe1 Bxc3 18. Qxc3 Nxa4 19. Qa1 Nc5 20. Nd4 Ng7 21. Bf1
Rae8 22. e4 Qd7 23. f3 Qe7 24. Bf4 Qh4 25. Be3 Bc8 26. Nc6 Qg3 27. Bh6 f6 28.
Kh1 Qh4 29. Be3 Nh5 30. Kg1 Nf4 31. Bf2 Qg5 32. Kh2 Ncd3 33. h4 Qh6 34. Kg1
Nxe1 35. Rxe1 Qg7 36. Bg3 Nh5 37. Bh2 g5 38. hxg5 fxg5 39. Qc1 g4 40. fxg4 Qxg4
41. e5 Bd7 42. Be2 Qg6 43. Bxh5 Qxh5 44. exd6 Bxc6 45. dxc6 Qc5+ 46. Kh1 cxd6
47. Rd1 Qe3 48. Qxe3 Rxe3 49. Bxd6 Rc8 50. c7 Kf7 51. Bf4 Re7 52. Rb1 Rcxc7 53.
Bxc7 Rxc7 54. Rxb6 Rxc4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.30"]
[White "Wang, Kaichen"]
[Black "Klaeke, Gregor"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1599"]
[BlackElo "1655"]
[PlyCount "70"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Nf3 Bf5 7. e3 h6 8. Bh4
O-O 9. Bd3 Bg4 10. h3 Be6 11. O-O c5 12. Bc2 Nc6 13. Re1 c4 14. a3 a6 15. b3
Qc7 16. b4 b5 17. Bb1 Nd7 18. Qc2 f5 19. e4 fxe4 20. Nxe4 Bf5 21. Nf6+ Rxf6 22.
Qd2 Bxb1 23. Bxf6 Nxf6 24. Raxb1 Ne4 25. Qc2 Bf6 26. Rbd1 Qb6 27. Kf1 Nxd4 28.
Nxd4 Bxd4 29. Qc1 Nxf2 30. Qf4 Nxd1 31. Rxd1 Rf8 32. Qxf8+ Kxf8 33. Ke2 Qe6+
34. Kf1 Qf6+ 35. Ke2 Qf2# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.31"]
[White "Abram, Kristina-Maria"]
[Black "Busch, Lara Sophie"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1477"]
[BlackElo "1651"]
[PlyCount "27"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 c6 6. e3 Nbd7 7. cxd5 exd5 8.
Bd3 h6 9. Bf4 g5 10. Bg3 Rg8 11. h3 Nf8 12. e4 dxe4 13. Bxe4 Nxe4 14. Nxe4
1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.32"]
[White "Rojas Albores, Graciela Ivonne"]
[Black "Falke, Franziska"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1619"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. Bc4 e5 4. Nc3 Nf6 5. d3 g6 6. Bg5 Bg7 7. Bxf6 Qxf6 8. Nd5
Qd8 9. Qd2 Nc6 10. Bb5 Qd7 11. b4 b6 12. a4 O-O 13. Bxc6 Qxc6 14. Ne7+ Kh8 15.
Nxc6 Be6 16. c4 f6 17. O-O f5 18. exf5 Bxf5 19. Nh4 Be6 20. Rae1 Rfc8 21. Ne7
Bf6 22. Nxc8 Rxc8 23. Qh6 Bg7 24. Nxg6+ Kg8 25. Ne7+ Kf8 26. Qxe6 Re8 27. f4
Rxe7 28. fxe5+ Ke8 29. Qc8# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.33"]
[White "Köhler, Nils"]
[Black "Hajjar, Ahmad"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1513"]
[PlyCount "92"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 Bg4 6. h3 Bxf3 7. Bxf3 Nxd4 8.
Bg2 e5 9. c4 dxc4 10. Qa4+ b5 11. Qd1 Rb8 12. Bg5 Be7 13. e3 Ne6 14. Bc6+ Kf8
15. Bxf6 Bxf6 16. Qf3 Ng5 17. Qg2 e4 18. Nc3 Bxc3 19. bxc3 Nf3+ 20. Kh1 f5 21.
Rad1 Qa5 22. g4 Ne5 23. gxf5 Nxc6 24. Rd7 Qxc3 25. Qg3 Qe5 26. Qg4 Rd8 27. Rfd1
Ke8 28. R1d5 Rxd7 29. Rxe5+ Nxe5 30. Qxe4 Re7 31. Qa8+ Kf7 32. Qxh8 c3 33. Qd8
Rd7 34. Qa5 c2 35. Qc3 Rd1+ 36. Kg2 c1=Q 37. Qxe5 Qc4 38. Qc7+ Kf6 39. Qc6+ Kg5
40. f4+ Kxf5 41. Qc8+ Qe6 42. Qxc5+ Qd5+ 43. e4+ Kxe4 44. Qb4+ Kf5+ 45. Kg3
Rd3+ 46. Kh4 g5+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.34"]
[White "Bezverkhiy, Dmitry"]
[Black "Wang, Huanying"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1598"]
[BlackElo "1422"]
[PlyCount "43"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 O-O 5. Qd2 Nh5 6. Bh6 e6 7. g4 Bxh6 8.
Qxh6 Ng7 9. h4 d6 10. O-O-O Nd7 11. g5 Nh5 12. Be2 Nf4 13. h5 Re8 14. hxg6
Nxe2+ 15. Ngxe2 Qxg5+ 16. Qxg5 f6 17. Qh6 Re7 18. Rdg1 Rg7 19. Qxg7+ Kxg7 20.
gxh7+ Kf7 21. h8=Q Nf8 22. Rh7+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.1"]
[White "Colpe, Malte"]
[Black "Koniahli, Malek"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2373"]
[BlackElo "2309"]
[PlyCount "122"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 Be7 6. h3 d6 7. O-O Nbd7 8. Nbd2
O-O 9. Bh2 Re8 10. e4 Nf8 11. Qe2 Ng6 12. Rfd1 Bf8 13. Ba6 Qc8 14. Bxb7 Qxb7
15. e5 dxe5 16. dxe5 Nd7 17. h4 h6 18. h5 Ne7 19. Ne4 Rad8 20. Bf4 Nd5 21. Bxh6
gxh6 22. c4 Nf4 23. Qe3 Nxh5 24. g4 Nc5 25. Nfd2 Qc6 26. gxh5 Rd3 27. Nf6+ Kh8
28. Qe2 Red8 29. b4 Be7 30. Nf1 Bxf6 31. exf6 Qd6 32. Rxd3 Nxd3 33. Qe3 Nf4 34.
c5 Qd4 35. cxb6 axb6 36. Qxd4 Rxd4 37. Ng3 Rxb4 38. Re1 Rb5 39. Rc1 Nxh5 40.
Nxh5 Rxh5 41. Rxc7 Kg8 42. Rb7 Ra5 43. Rxb6 Rxa2 44. Rb7 Ra5 45. f4 Rf5 46. Rb4
Kh7 47. Kg2 Kg6 48. Kg3 Kxf6 49. Rb7 Rc5 50. Ra7 Kg6 51. Rb7 Rc3+ 52. Kh4 Rf3
53. Kg4 Rf1 54. Kg3 Rd1 55. Ra7 Rd3+ 56. Kh4 f6 57. Ra5 Rd5 58. Ra4 Kf5 59. Rb4
Rd3 60. Ra4 Re3 61. Rb4 Re4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.2"]
[White "Holinka, Henning"]
[Black "Keyser, Robin"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2292"]
[BlackElo "2169"]
[PlyCount "103"]
[EventDate "2025.04.18"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Na6 6. a3 Nxe4 7. Qxe4 Nc7 8.
d4 Qd5 9. Qe3 Bf5 10. c4 Qe4 11. Be2 Qxe3 12. fxe3 g6 13. O-O Bg7 14. b4 O-O
15. b5 cxb5 16. cxb5 Nd5 17. Bd2 Rac8 18. Rfc1 h6 19. Kf2 Rfd8 20. a4 Kf8 21.
Bc4 Be4 22. Ke2 Nb6 23. Bd3 Rxc1 24. Rxc1 Bxd3+ 25. Kxd3 Nxa4 26. Ra1 Nc5+ 27.
Kc4 Ne4 28. Rxa7 Rc8+ 29. Kd3 Nd6 30. Bb4 Nxb5 31. Rxb7 Nd6 32. Bxd6 exd6 33.
Nd2 Bf6 34. Nc4 Be7 35. Nb6 Rc1 36. Nd5 Bg5 37. Rb8+ Kg7 38. g3 Rc6 39. h4 Bf6
40. Ke4 Ra6 41. Nc7 d5+ 42. Kxd5 Ra5+ 43. Rb5 Rxb5+ 44. Nxb5 h5 45. Nd6 Bd8 46.
Ne4 f5 47. Ng5 Kf6 48. Kc6 Ba5 49. d5 Bd2 50. d6 Bxe3 51. d7 Ke7 52. Ne6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.3"]
[White "Bracker, Arne"]
[Black "Reddmann, Hauke"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2289"]
[BlackElo "2171"]
[PlyCount "37"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6
gxf6 9. Qf3 b5 10. a3 Nc6 11. Nxc6 Qxc6 12. O-O-O f5 13. Be2 fxe4 14. Nxe4 Bb7
15. Nxd6+ Bxd6 16. Qxc6+ Bxc6 17. Rxd6 Bxg2 {(=)} 18. Rhd1 Bd5 19. Rxa6 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.4"]
[White "Marx, Jakob"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1589"]
[BlackElo "2239"]
[PlyCount "108"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. O-O Nxe4 7. Qe2 d5 8.
cxd4 dxc4 9. dxc5 Qd3 10. Re1 f5 11. Nc3 O-O 12. Nxe4 fxe4 13. Qxe4 Bf5 14. Qh4
Rae8 15. Be3 Re4 16. Qg3 Rg4 17. Ne5 Rxg3 18. Nxd3 Rxe3 19. Rxe3 cxd3 20. Rd1
Rd8 21. Rd2 Rd5 22. f3 Rxc5 23. Kf2 g5 24. b3 Kf7 25. Ke1 Rc1+ 26. Rd1 Rc2 27.
Rd2 Kf6 28. Kd1 Nb4 29. a3 Nd5 30. Rexd3 Bxd3 31. Rxd3 Rc5 32. b4 Nf4 33. Rd7
Rd5+ 34. Rxd5 Nxd5 35. Kd2 Ke5 36. g3 Kd4 37. Ke2 Kc3 38. b5 Kd4 39. Kd2 Nc3
40. b6 axb6 41. f4 gxf4 42. gxf4 Nd5 43. f5 c5 44. Kc2 b5 45. Kb2 c4 46. Kc2
Ne3+ 47. Kb2 c3+ 48. Kc1 Nxf5 49. Kc2 Ne3+ 50. Kc1 Kd3 51. h4 Nc4 52. Kd1 c2+
53. Kc1 Nd2 54. Kb2 Nb3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.5"]
[White "Richter, Thomas"]
[Black "Holmsgaard, Henrik"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1876"]
[BlackElo "2146"]
[PlyCount "55"]
[EventDate "2025.04.18"]

1. e4 c5 2. b3 e6 3. Bb2 a6 4. Be2 d5 5. e5 Nc6 6. f4 g6 7. Nf3 Bg7 8. d4 cxd4
9. Nxd4 Nge7 10. Nxc6 bxc6 11. Qd2 Nf5 12. O-O O-O 13. Nc3 Qa5 14. Bd3 f6 15.
Bxf5 exf5 16. Ne4 Qxd2 17. Nxd2 fxe5 18. Bxe5 Bxe5 19. fxe5 a5 20. h4 c5 21.
Nf3 Bb7 22. Rfe1 Rfe8 23. c3 h6 24. Kf2 f4 25. Rad1 Kf7 26. Rd2 Ke7 27. a3 Rg8
28. b4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.6"]
[White "Hort, Max"]
[Black "Porth, Hartmut"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2007"]
[BlackElo "1996"]
[PlyCount "75"]
[EventDate "2025.04.18"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Bd3 g6 5. c3 Bg7 6. Bg5 O-O 7. O-O a6 8. Nbd2
b5 9. b4 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Nb3 Qd6 13. Qe2 Be6 14. Nc5 Nd7 15.
Be3 Rfb8 16. a4 c6 17. Rfd1 Nxc5 18. Bxc5 Qc7 19. c4 bxa4 20. Rxa4 Bf8 21. Bxf8
Kxf8 22. Rda1 Qd6 23. b5 Rd8 24. Bc2 cxb5 25. cxb5 Qd2 26. Bd1 a5 27. h3 Rac8
28. Qxd2 Rxd2 29. Rb1 Ba2 30. Ra1 Be6 31. Rxa5 Rcd8 32. Bf3 Kg7 33. Rb1 Ba2 34.
Rb4 Be6 35. b6 Rb8 36. Rxe5 Rd6 37. Reb5 Rb7 38. e5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.7"]
[White "Pothast, Laurenz"]
[Black "Heins, Simon"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1944"]
[BlackElo "1777"]
[PlyCount "28"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 d6 7. a4 a6 8. Na3
d5 9. exd5 exd5 10. Ne2 Bc5 11. Be3 Bxe3 12. fxe3 O-O 13. Qd3 Ne4 14. g3 Ne5
0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.8"]
[White "Kahlert, Thomas"]
[Black "Wang, Kaiwen"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2104"]
[BlackElo "1749"]
[PlyCount "104"]
[EventDate "2025.04.18"]

1. c4 e6 2. Nf3 d5 3. d4 c6 4. Qc2 Nf6 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. Nbd2
b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Bg5 Qc8 13. c5 bxc5 14. Be7 Re8
15. Bxc5 Nd7 16. Qc2 Bf8 17. Bxf8 Kxf8 18. Rac1 Qd8 19. Qd2 Kg7 20. Rfe1 Rc8
21. Qc3 Nf6 22. Ne5 Nd5 23. Qc5 Qb6 24. h4 Qxc5 25. Rxc5 f6 26. Nc4 Nb4 27. Re3
Nd5 28. Rb3 Rc7 29. Nd6 Ree7 30. Rxb7 Rxb7 31. Nxb7 Rxb7 32. Rxc6 Kf7 33. Bxd5
exd5 34. b3 Rb4 35. Kf1 Rxd4 36. Ke2 Re4+ 37. Kd3 Re1 38. Ra6 Ke7 39. Rxa7+ Kd6
40. Rxh7 Rd1+ 41. Ke3 Re1+ 42. Kd2 Rf1 43. Ke2 Rb1 44. Ra7 Ke5 45. Ra4 Ra1 46.
Kf3 Re1 47. g4 d4 48. Ra5+ Ke6 49. Ra8 Ke7 50. Ra4 Rh1 51. Rxd4 Rh3+ 52. Ke2
Rxh4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.9"]
[White "Malchereck, Zion"]
[Black "Speck, Jakob"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2063"]
[BlackElo "1817"]
[PlyCount "12"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. e5 Qa5+ 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.10"]
[White "Kellner, Anton"]
[Black "Alpers, Arne"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1797"]
[BlackElo "1922"]
[PlyCount "113"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e3 c6 8. Bd3
Nbd7 9. O-O Bd6 10. Re1 Qc7 11. Rc1 O-O 12. a3 h6 13. Bh4 Rfe8 14. b4 b5 15. e4
dxe4 16. Nxe4 Bd5 17. Nxd6 Qxd6 18. Bg3 Qf8 19. Ne5 Nxe5 20. dxe5 Nd7 21. Be4
Bxe4 22. Rxe4 Rad8 23. Rd4 Nb8 24. Rd6 Qe7 25. f4 Rxd6 26. Qxd6 Qxd6 27. exd6
f5 28. Bf2 Kf7 29. Ba7 Rc8 30. Bxb8 Rxb8 31. Rxc6 Ra8 32. Kf2 Ke6 33. Ke3 Kd7
34. Rb6 Re8+ 35. Kd3 Re4 36. g3 g5 37. fxg5 hxg5 38. Rxa6 Rg4 39. Rb6 f4 40.
gxf4 Rxf4 41. Rxb5 Rf3+ 42. Kc4 Rxa3 43. Rxg5 Kxd6 44. Kb5 Rh3 45. Rc5 Rxh2 46.
Rc1 Rh8 47. Ka6 Rh2 48. b5 Ra2+ 49. Kb7 Rb2 50. b6 Kd7 51. Ka7 Ra2+ 52. Kb8 Rd2
53. b7 Rd3 54. Rc4 Rd1 55. Rb4 Rh1 56. Ka7 Kc6 57. Rb6+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.11"]
[White "Loayza, Ignacio"]
[Black "Schiller, Thomas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1811"]
[BlackElo "1877"]
[PlyCount "68"]
[EventDate "2025.04.18"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. h3 e6 5. c4 Be7 6. Nc3 O-O 7. Be2 a6 8. cxd5
exd5 9. Qc2 Bd6 10. a3 Re8 11. O-O Ne7 12. Bd3 Ng6 13. b4 Bd7 14. Bb2 Bc6 15.
Nd2 Qd7 16. Bf5 Qe7 17. Qb3 Nh4 18. Bd3 Ne4 19. Bxe4 dxe4 20. Ne2 Qg5 21. g3
Bb5 22. Nc4 Nf3+ 23. Kg2 Bxc4 24. Qxc4 Nd2 25. Qc2 Nxf1 26. Rxf1 Re6 27. Nf4
Bxf4 28. exf4 Qd5 29. Qxc7 e3+ 30. f3 Rc6 31. Qe7 Rc2+ 32. Kg1 Rxb2 33. Qxe3
Rd8 34. Rc1 h6 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.12"]
[White "Thürauf, Peter"]
[Black "Haertel, Leon"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1772"]
[BlackElo "1855"]
[PlyCount "35"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 c6 6. e3 Nbd7 7. Rc1 O-O 8. Bd3
Re8 9. O-O h6 10. Bh4 b6 11. Bxf6 Nxf6 12. Ne5 Bb7 13. cxd5 exd5 14. a3 Bd6 15.
f4 c5 16. Nb5 Bf8 17. Nc3 Bd6 18. Nb5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.13"]
[White "Rudolph, Max"]
[Black "Kollath, Leno"]
[Result "1/2-1/2"]
[ECO "C52"]
[WhiteElo "1864"]
[BlackElo "1705"]
[PlyCount "48"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. O-O
Bb6 9. Bb5 a6 10. Ba4 Ba5 11. Bxc6 Qxc6 12. dxe5 Be6 {(=)} 13. Nd4 Bxb3 14.
Nxc6 bxc6 15. axb3 Bb6 16. Bf4 d5 17. Nd2 Ne7 18. Ra4 Ng6 19. Bg3 Kd7 20. Rd1
Ke6 21. exd5+ cxd5 22. Nf3 h6 23. Nd4+ Bxd4 24. cxd4 Rhb8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.14"]
[White "Sharma, Rishi"]
[Black "Iachanou, Daniel"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1850"]
[BlackElo "1704"]
[PlyCount "32"]
[EventDate "2025.04.18"]

1. Nf3 e6 2. d4 Nf6 3. c4 d5 4. e3 Nbd7 5. Bd3 dxc4 6. Bxc4 Bd6 7. Nc3 c6 8. e4
Bb4 9. Bd3 c5 10. O-O O-O 11. e5 cxd4 12. exf6 dxc3 13. bxc3 Bxc3 14. Ba3 Bxa1
15. Be7 Qa5 16. fxg7 Bxg7 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.15"]
[White "Lasschuit, Rene"]
[Black "Knaak, Michael"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1701"]
[BlackElo "1842"]
[PlyCount "124"]
[EventDate "2025.04.18"]

1. c4 e5 2. e3 Nf6 3. a3 d6 4. Nc3 g6 5. b4 Bg7 6. Bb2 O-O 7. Nf3 Nbd7 8. d3
Re8 9. Be2 c6 10. e4 Nf8 11. O-O Bg4 12. Nd2 Bxe2 13. Nxe2 Ne6 14. g3 h5 15.
Nf3 Ng4 16. h3 Nh6 17. Qc2 Ng5 18. Nxg5 Qxg5 19. Bc1 Qe7 20. Be3 Kh7 21. Rad1
Ng8 22. f4 Bh6 23. Qd2 Qd7 24. Kg2 f5 25. fxe5 Rxe5 26. Bf4 fxe4 27. dxe4 Rxe4
28. Bxh6 Nxh6 29. Nf4 Rae8 30. Qxd6 Qxd6 31. Rxd6 Nf5 32. Rd7+ R8e7 33. Rfd1
Ne3+ 34. Kf2 Nxd1+ 35. Rxd1 Rf7 36. Kg2 Rxc4 37. Rd6 Rc2+ 38. Kg1 Re7 39. Kf1
Rf7 40. Kg1 h4 41. Nxg6 hxg3 42. Ne5 Rff2 43. Rd7+ Kg8 44. Rd8+ Kg7 45. Rd7+
Kf8 46. Rd1 g2 47. Nd3 Rf1+ 48. Rxf1+ gxf1=Q+ 49. Kxf1 Rc3 50. Nc5 b6 51. Nd7+
Ke7 52. Nb8 Kd6 53. h4 Rh3 54. a4 Kc7 55. Na6+ Kb7 56. b5 c5 57. a5 Rxh4 58.
axb6 axb6 59. Ke2 Ra4 60. Kd3 Rxa6 61. bxa6+ Kxa6 62. Kc4 Ka5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.16"]
[White "Gökten, Aras"]
[Black "Falke, Ornella"]
[Result "0-1"]
[ECO "E65"]
[BlackElo "2047"]
[PlyCount "109"]
[EventDate "2025.04.18"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O a6 8. b3
c5 9. e3 Rb8 10. Bb2 b5 11. Nd2 cxd4 12. exd4 Qb6 13. Ne2 Bb7 14. Bxb7 Qxb7 15.
Rc1 bxc4 16. Nxc4 Rbc8 17. Qd3 d5 18. Ne5 Nxe5 19. dxe5 Nd7 20. f4 Nc5 21. Qd4
Ne4 22. Nc3 Nxc3 23. Rxc3 Rxc3 24. Bxc3 e6 25. Rc1 Rc8 26. Bb2 Bf8 27. Rxc8
Qxc8 28. Kg2 Qc2+ 29. Qf2 Qe4+ 30. Qf3 Qb1 31. Bd4 Qxa2+ 32. Kh3 Qb1 33. g4 a5
34. Kg3 Bb4 35. Kh3 Bd2 36. Kg3 Qc2 37. g5 Be1+ 38. Kh3 Qf5+ 39. Kg2 Bd2 40.
Kg3 Qc2 41. Kh3 Kf8 42. Kg3 Be1+ 43. Kh3 Ke8 44. Qe3 Bd2 45. Qf3 Kd7 46. Kh4
Qe4 47. Qxe4 dxe4 48. Kg3 Kc6 49. Kf2 Bxf4 50. h4 Kd5 51. Bb6 Bd2 52. Ke2 e3
53. Bxe3 Bxe3 54. Kxe3 Kxe5 55. Kf3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.17"]
[White "Malchereck, Romeo"]
[Black "Atri, Jamshid"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1740"]
[BlackElo "2029"]
[PlyCount "72"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 O-O 8.
d4 Nf5 9. c3 Nxe5 10. Rxe5 d6 11. Re1 d5 12. Bd3 Bd6 13. Qc2 g6 14. Nd2 Qh4 15.
Nf3 Qh5 16. Ne5 Nh4 17. Be2 Qf5 18. Qxf5 Nxf5 19. g4 Ng7 20. Bh6 Re8 21. Bf3 c6
22. h3 Ne6 23. Bg2 f6 24. Nd3 Bd7 25. f4 Nd8 26. Rxe8+ Bxe8 27. h4 Nf7 28. g5
Nxh6 29. gxh6 Bd7 30. Re1 Kf7 31. Nc5 Bc8 32. f5 Bxf5 33. Nxb7 Bf8 34. Na5 Bd7
35. a3 Bxh6 36. c4 Bd2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.18"]
[White "Schranz, Patrick"]
[Black "Pittelkow, Andreas"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1696"]
[BlackElo "2010"]
[PlyCount "120"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Bd3 Nc6 7. O-O e5 8. d5
Ne7 9. e4 h6 10. Be3 Ng4 11. Qd2 f5 12. exf5 gxf5 13. h3 Nxe3 14. Qxe3 e4 15.
Nxe4 fxe4 16. Bxe4 Bf5 17. Rab1 Qd7 18. Rfe1 Bxe4 19. Qxe4 Rae8 20. Qh4 Ng6 21.
Qh5 Qf7 22. b3 Nf4 23. Qg4 h5 24. Qh4 Nxg2 25. Kxg2 Qxf3+ 26. Kg1 Rxe1+ 27.
Rxe1 Qf4 28. Qxf4 Rxf4 29. Re7 Rf7 30. Re8+ Kh7 31. Ra8 Bd4 32. Rb8 b6 33. Rb7
a5 34. a4 Rxf2 35. Kh1 Rf7 36. Kg2 Kg6 37. Kg3 Kg5 38. h4+ Kf5 39. Rb8 Ke4 40.
Re8+ Kd3 41. Re6 Bf2+ 42. Kh3 Rf4 43. Re7 Rxh4+ 44. Kg2 Rf4 45. Rxc7 Kc3 46.
Rd7 Rf6 47. Re7 Kxb3 48. Re2 Kxc4 49. Kh3 Kxd5 50. Rb2 Kc4 51. Rb5 d5 52. Kg2
Bc5 53. Rb1 d4 54. Rc1+ Kb3 55. Kh3 d3 56. Rd1 Kc2 57. Ra1 d2 58. Ra2+ Kc3 59.
Ra1 Rd6 60. Rd1 Kc2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.19"]
[White "Skibbe, Kai"]
[Black "Lohmann, Rene"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1840"]
[BlackElo "1691"]
[PlyCount "54"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 O-O 6. Nbd2 Nfd7 7. c3 e5 8. Bh2
f5 9. Bc4+ Kh8 10. Qb3 Nc6 11. O-O-O Qe7 12. Qc2 Nb6 13. Rhe1 Nxc4 14. Nxc4 b5
15. Ncd2 Bd7 16. dxe5 dxe5 17. Nb3 a5 18. Rd5 Be6 19. Rxb5 Bc4 20. Rb7 Ba6 21.
Nxa5 Nxa5 22. Rb4 c5 23. Ra4 Nc4 24. Rxa6 Rxa6 25. Qd3 Rxa2 26. Qxc4 Ra1+ 27.
Kc2 Rfa8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.20"]
[White "Neumann, Hannes"]
[Black "Perschk, Bendix"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1655"]
[BlackElo "1769"]
[PlyCount "57"]
[EventDate "2025.04.18"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Nc6 5. d4 Bg4 6. Bc4 e6 7. Qe2 Nxd4 8.
Qe4 Nxf3+ 9. gxf3 Bf5 10. Qe5 Qf6 11. Qxf6 Nxf6 12. Bf4 Bb4 13. Bxc7 O-O 14.
Be5 Rfc8 15. Bb3 Nd7 16. Bd4 e5 17. Be3 Rxc3 18. bxc3 Bxc3+ 19. Ke2 Bxa1 20.
Rxa1 a5 21. a4 Rc8 22. Rd1 Kf8 23. Rd2 Ke7 24. f4 Rc3 25. fxe5 Nxe5 26. Bd4
Bg4+ 27. Kf1 Bh3+ 28. Ke2 Bg4+ 29. Kf1 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.21"]
[White "Majewski, Nico"]
[Black "Fellberg, Justus"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1631"]
[BlackElo "1746"]
[PlyCount "146"]
[EventDate "2025.04.18"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. Nc3 d5 7. cxd5 cxd5 8. d3
Nc6 9. Bg5 d4 10. Bxf6 Bxf6 11. Ne4 Bg7 12. Rb1 Qb6 13. b4 Bf5 14. Ned2 a6 15.
Nc4 Qd8 16. a3 b5 17. Ncd2 Rc8 18. Nb3 a5 19. Nc5 axb4 20. axb4 Qb6 21. Nh4
Rfd8 22. Nxf5 gxf5 23. Qd2 Ne5 24. Ra1 Qf6 25. Ra6 Rd6 26. Rxd6 Qxd6 27. Ra1
Rb8 28. Ra6 Rb6 29. Ra8+ Bf8 30. Qa2 Kg7 31. Qa5 e6 32. f4 Ng6 33. Nd7 Qxd7 34.
Qxb6 Bxb4 35. Ra7 Qe8 36. Bc6 Qf8 37. Qxb5 Bd2 38. Be8 Be3+ 39. Kg2 Ne7 40. Qd7
Kf6 41. g4 fxg4 42. Qd6 h6 43. Qe5+ Kg6 44. f5+ Kh7 45. fxe6 fxe6 46. Bg6+ Kxg6
47. Qxe6+ Kh5 48. Qe5+ Bg5 49. h4 gxh3+ 50. Kg1 Qc8 51. Kh2 Qg4 52. Qe4 Qxe4
53. dxe4 Kg4 54. Rd7 Bf4+ 55. Kh1 Nc6 56. Rg7+ Bg5 57. Rg6 Ne5 58. Rd6 Be3 59.
Rd5 Kf4 60. Kh2 Kg4 61. Kh1 Kf4 62. Kh2 Kxe4 63. Rd8 Ng6 64. Re8+ Kf5 65. Kxh3
Nf4+ 66. Kg3 Nxe2+ 67. Kf3 Nc3 68. Rf8+ Ke5 69. Re8+ Kd5 70. Rd8+ Kc4 71. Re8
Bg5 72. Rc8+ Kd3 73. Ra8 Kc2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.22"]
[White "Klaeke, Gregor"]
[Black "Winklmann, Alexander"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1655"]
[BlackElo "1593"]
[PlyCount "105"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 d5 5. exd5 exd5 6. Be2 Nf6 7. d3 Be7 8. O-O
O-O 9. Re1 Re8 10. Bf4 Bd6 11. Bg5 h6 12. Bh4 Bf5 13. Nbd2 Re6 14. Nf1 Qb6 15.
Ne3 Ne7 16. Rb1 Bh7 17. h3 Bf4 18. Bf1 Bxe3 19. fxe3 Nf5 20. Bf2 Rae8 21. Qd2
Qa5 22. b4 cxb4 23. cxb4 Qc7 24. Rbc1 Qe7 25. Nd4 Nxd4 26. exd4 Qd7 27. Rxe6
Rxe6 28. Bg3 Rc6 29. Be5 Bf5 30. Rb1 Qc8 31. Rb2 Nd7 32. Bf4 Nb6 33. b5 Rg6 34.
Kh2 Qe8 35. Rb1 Re6 36. Rc1 Qxb5 37. Rc7 Na4 38. g4 Bg6 39. Be5 Rc6 40. Rd7 Qb1
41. Qf4 Rc2+ 42. Bg2 Qxa2 43. Qf3 Nb6 44. Rxb7 Rf2 45. Qg3 Qd2 46. h4 Bxd3 47.
Kh3 Be4 48. Bxe4 dxe4 49. g5 Rf3 50. gxh6 Rxg3+ 51. Bxg3 gxh6 52. Rxa7 Qxd4 53.
Re7 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.23"]
[White "Strate, Gerda"]
[Black "Rojas Albores, Graciela Ivonne"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1848"]
[BlackElo "1619"]
[PlyCount "129"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 h6 6. O-O Bc5 7. c3 Nf6 8. d4
exd4 9. cxd4 Bb6 10. d5 Na5 11. Bc2 d6 12. Qd3 Bg4 13. Nd4 Bxd4 14. Qxd4 c5 15.
dxc6 Nxc6 16. Qd3 Nb4 17. Qd2 Nxc2 18. Qxc2 Rc8 19. Qd3 O-O 20. Nc3 Re8 21. f3
Be6 22. Be3 Bc4 23. Qd2 Bxf1 24. Rxf1 Qd7 25. a3 Rc6 26. Bd4 Qe6 27. Qf2 Rd8
28. Qg3 Kh7 29. Nd5 Rg8 30. Nb4 Rc4 31. Bc3 a5 32. Nd3 Nh5 33. Qf2 a4 34. Qb6
Qd7 35. Qf2 f6 36. g4 Qf7 37. gxh5 Qxh5 38. Kh1 Rgc8 39. Qg3 d5 40. Nf4 Qf7 41.
Nxd5 R4c5 42. Rg1 Rd8 43. Qf4 Rdxd5 44. exd5 Rxd5 45. Qe4+ g6 46. Re1 Rd7 47.
Qe6 g5 48. Bxf6 Qxe6 49. Rxe6 Rd1+ 50. Kg2 Rd2+ 51. Kg3 Rd5 52. Bc3 h5 53. Re5
Rxe5 54. Bxe5 Kg6 55. h4 Kf5 56. Bc7 Kg6 57. Bd8 gxh4+ 58. Bxh4 Kf5 59. Be7 Ke6
60. Bb4 Kf5 61. Bd2 Kf6 62. Kh4 Ke5 63. Kxh5 Kd4 64. Bc3+ Ke3 65. Kg4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.24"]
[White "Koop, Michael"]
[Black "Erk, Ben"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1569"]
[BlackElo "1743"]
[PlyCount "56"]
[EventDate "2025.04.18"]

1. f4 d5 2. c4 e6 3. cxd5 exd5 4. Nf3 Nf6 5. g3 c5 6. Bg2 Be7 7. b3 Nc6 8. Bb2
Bf5 9. Nh4 Be6 10. Nc3 d4 11. Na4 Nd5 12. e4 Ndb4 13. f5 Bd7 14. Nf3 b5 15. a3
Na6 16. Qe2 Nc7 17. Nxc5 Bxc5 18. Rc1 Bb6 19. g4 Qe7 20. h4 O-O-O 21. d3 Rhe8
22. O-O h5 23. g5 Nd5 24. Qe1 Ne3 25. Rf2 Kb8 26. Bh1 Qd6 27. Re2 Ne5 28. Nd2
Nxd3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.25"]
[White "Hajjar, Ahmad"]
[Black "Busch, Jonathan Luis"]
[Result "1-0"]
[ECO "A52"]
[BlackElo "1661"]
[PlyCount "97"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Ngxe5 6. Be2 Qf6 7. Nc3 Bb4 8.
Bd2 Nxf3+ 9. Bxf3 Ne5 10. Be2 c6 11. O-O O-O 12. Nd5 cxd5 13. Bxb4 d6 14. cxd5
Qg6 15. f4 Ng4 16. Qd4 Re8 17. Rf3 Bf5 18. Rg3 Re4 19. Qd2 Rae8 20. Bxg4 Bxg4
21. Re1 Qf5 22. h3 h5 23. hxg4 hxg4 24. Bc3 Qg6 25. Kf2 f5 26. Qd1 Kf7 27. Be5
dxe5 28. fxe5 R8xe5 29. d6 Re8 30. Qd5+ Kf8 31. Rh1 Qe6 32. Rh8+ Kf7 33. Qxb7+
Kg6 34. Rxe8 Qxe8 35. d7 Qf7 36. Qc6+ Re6 37. Qxe6+ Qxe6 38. d8=Q Qxa2 39. Qd4
a5 40. e4 fxe4 41. Rxg4+ Kf5 42. Qxe4+ Kf6 43. Qd4+ Ke6 44. Rxg7 a4 45. Rg6+
Kf7 46. Qf6+ Ke8 47. Rg7 Qf7 48. Qxf7+ Kd8 49. Qd7# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.26"]
[White "Queißer, Jens"]
[Black "Kock, Rudolf"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1653"]
[BlackElo "1627"]
[PlyCount "36"]
[EventDate "2025.04.18"]

1. d4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 Nd7 5. O-O Nb6 6. Nbd2 c6 7. e4 e6 8. c3
Ne7 9. a4 a5 10. b3 Qc7 11. Bb2 d5 12. Re1 O-O 13. Rc1 Bd7 14. Ba3 Nbc8 15. c4
Re8 16. cxd5 exd5 17. exd5 Nxd5 18. Rxe8+ Bxe8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.27"]
[White "Mkrtchyan, Nona"]
[Black "Ikwuka, God´sfavour"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1599"]
[BlackElo "1628"]
[PlyCount "79"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Nf6 4. Bc4 d5 5. exd5 Bd6 6. d4 O-O 7. O-O b6 8. Bb3
Ng4 9. Bf4 Qh4 10. h3 Nf6 11. Bg3 Qg5 12. Qf3 Ne4 13. c4 Qf6 14. Re1 Ng5 15.
Qh5 Bd7 16. Bh4 h6 17. f4 Bxe5 18. dxe5 Qf7 19. Qxf7+ Nxf7 20. e6 Nd6 21. exd7
Nxd7 22. Nc3 a5 23. Re7 Rf7 24. Rae1 Nc5 25. Nb5 Nde4 26. Nxc7 Rc8 27. Nb5 g5
28. Rxf7 Kxf7 29. fxg5 hxg5 30. Bxg5 Kg6 31. Be7 Nd3 32. Re2 a4 33. Bc2 Nf4 34.
Re1 Rxc4 35. Bxe4 Rxe4 36. Rxe4 fxe4 37. d6 Kf7 38. Bg5 Ne6 39. d7 e3 40. d8=Q
1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.28"]
[White "Fabig, Holger"]
[Black "De Vries, Anakin"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2012"]
[PlyCount "49"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bg5 Qb6 6. Bd3 Bxd3 7. Qxd3 Qxb2 8. Nf3
Qb6 9. e6 Nf6 10. exf7+ Kxf7 11. Ne5+ Ke8 12. O-O Ne4 13. Nd2 Nd7 14. Nxe4 dxe4
15. Qxe4 Nf6 16. Qg6+ Kd8 17. Nf7+ Kc7 18. Bf4+ Kd7 19. Nxh8 Qxd4 20. Rad1 c5
21. c3 Qxd1 22. Rxd1+ Kc6 23. Nf7 Kb5 24. Qd3+ c4 25. Rb1+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.29"]
[White "Schwarzkopf, Jörg"]
[Black "Busch, Lara Sophie"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1863"]
[BlackElo "1651"]
[PlyCount "63"]
[EventDate "2025.04.18"]

1. Nf3 Nc6 2. g3 e5 3. d3 d5 4. Bg2 Nf6 5. O-O Bd6 6. c4 d4 7. a3 a5 8. Nbd2
O-O 9. Ng5 Ne7 10. Rb1 c5 11. Nge4 Nxe4 12. Nxe4 Rb8 13. f4 f6 14. Bd2 b6 15.
Rf2 Bc7 16. Qf1 h6 17. f5 Bd7 18. g4 Kh7 19. h4 Qe8 20. Ng3 Qc8 21. Be4 Kh8 22.
Qc1 Kg8 23. Nh5 Rf7 24. Qf1 Qf8 25. Qg2 Kh8 26. Rbf1 Qe8 27. g5 fxg5 28. hxg5
Ng8 29. gxh6 gxh6 30. Qg6 Bd8 31. Rg2 Qf8 32. Bd5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.30"]
[White "Babychev, Mykhailo"]
[Black "Abram, Kristina-Maria"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1698"]
[BlackElo "1477"]
[PlyCount "95"]
[EventDate "2025.04.18"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O 8. Bd3
c6 9. Nge2 Bg4 10. f3 Bh5 11. O-O Nbd7 12. Bg3 Re8 13. Nf4 Nf8 14. Rc1 Bd6 15.
Nxh5 Nxh5 16. Bxd6 Qxd6 17. Qd2 Ng6 18. Bb1 Re7 19. Rcd1 Rae8 20. e4 dxe4 21.
fxe4 Rd8 22. Qf2 Nhf4 23. Ne2 Nxe2+ 24. Qxe2 Qb4 25. Qf2 Red7 26. d5 Ne5 27. b3
cxd5 28. exd5 Rxd5 29. Rxd5 Rxd5 30. Qxa7 Qc5+ 31. Qxc5 Rxc5 32. Rd1 Kf8 33. a3
Nc6 34. Kf2 Ke7 35. Re1+ Kf6 36. Re3 Ne5 37. Re4 g5 38. Rb4 b5 39. a4 bxa4 40.
bxa4 Rc1 41. a5 Nc6 42. Rb6 Ke5 43. a6 Kd5 44. Rb7 f6 45. Bd3 Ra1 46. Rh7 Nb4
47. Be2 Nxa6 48. Ra7 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.31"]
[White "Pavlov, Dmitriy"]
[Black "Mi, Gufeng"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1647"]
[BlackElo "1659"]
[PlyCount "80"]
[EventDate "2025.04.18"]

1. e4 g5 2. d4 Bg7 3. Bxg5 c5 4. c3 Qb6 5. Qc2 cxd4 6. cxd4 Nc6 7. Nf3 Nxd4 8.
Nxd4 Bxd4 9. Nc3 Qc5 10. Bh4 Nf6 11. Bd3 d6 12. f3 Bd7 13. Bf2 Rc8 14. Bxd4
Qxd4 15. Qd2 Qb6 16. Qf2 Qa5 17. O-O Rg8 18. Rfd1 Qg5 19. Qd2 h5 20. Qxg5 Rxg5
21. Rac1 Rgc5 22. Rc2 Ba4 23. Nxa4 Rxc2 24. Bxc2 Rxc2 25. Rb1 h4 26. Nc3 a6 27.
Nd1 e6 28. Nf2 Nh5 29. Nh3 f6 30. a3 b5 31. b3 a5 32. a4 b4 33. Rd1 Ke7 34. Rd3
Rc3 35. Nf2 Nf4 36. Rd2 Rxb3 37. g3 hxg3 38. hxg3 Ng6 39. Rc2 Rc3 40. Rd2 Rxf3
0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.32"]
[White "Lascheit, Andreas"]
[Black "Wang, Kaichen"]
[Result "1/2-1/2"]
[ECO "A34"]
[BlackElo "1599"]
[PlyCount "82"]
[EventDate "2025.04.18"]

1. Nf3 c5 2. c4 e6 3. e4 Nc6 4. Nc3 Nf6 5. g3 Be7 6. Bg2 b6 7. O-O Bb7 8. Re1
d6 9. b3 O-O 10. Bb2 e5 11. d3 Qd7 12. Nh4 Rfd8 13. Qd2 Rac8 14. Nf5 Nd4 15.
Nxd4 cxd4 16. Ne2 Rc7 17. Rac1 Rdc8 18. Kh1 Ng4 19. Ng1 Bg5 20. Qe2 Bxc1 21.
Rxc1 b5 22. Bh3 f5 23. f3 Nf6 24. Bxf5 Qf7 25. Bxc8 Bxc8 26. Rf1 bxc4 27. bxc4
Qh5 28. Rf2 Rf7 29. Ba3 Ne8 30. Qc2 Rc7 31. Bb4 Bb7 32. a4 a6 33. a5 Rc6 34.
Qb3 Kh8 35. Ba3 Qf7 36. Rb2 Rc7 37. Qb6 Qd7 38. Rc2 Rc6 39. Qb3 Qf7 40. Kg2 h6
41. Qb1 Qc7 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.33"]
[White "Sengupta, Aroop Ratan"]
[Black "Falke, Franziska"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "85"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 d6 7. Qd2 Nge7 8. Nge2
Be6 9. h3 O-O 10. h4 f5 11. Bh6 Nd4 12. Bxg7 Kxg7 13. Nxd4 cxd4 14. Ne2 d5 15.
h5 Rh8 16. O-O-O Rc8 17. Rh2 dxe4 18. dxe4 Bxa2 19. exf5 Nxf5 20. Bxb7 Rc7 21.
Be4 Nd6 22. Bf3 Qb8 23. Qa5 e4 24. Qxa2 exf3 25. Nxd4 Nc4 26. Ne6+ Kf6 27. Nxc7
Qxc7 28. hxg6 Kxg6 29. Qa6+ Kf7 30. Qa2 Kg7 31. Qa4 Rc8 32. Rd7+ Qxd7 33. Qxd7+
Kf8 34. Qxc8+ Ke7 35. Qxc4 Kd6 36. Rh5 Ke7 37. Rxh7+ Kd6 38. Qf4+ Kd5 39. Rh5+
Ke6 40. Re5+ Kd6 41. Qf6+ Kd7 42. Re7+ Kd8 43. Qf8# 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.34"]
[White "Bezverkhiy, Dmitry"]
[Black "Köhler, Nils"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1598"]
[BlackElo "1513"]
[PlyCount "39"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 Bd6 5. Bg3 O-O 6. Ngf3 Nc6 7. c4 dxc4 8.
Bxc4 Re8 9. Ne5 Bxe5 10. dxe5 Nd5 11. a3 a6 12. O-O b5 13. Ba2 Bb7 14. Qh5 Nxe3
15. fxe3 Qxd2 16. Qxf7+ Kh8 17. Rad1 Qxe3+ 18. Rf2 Nxe5 19. Bxe5 Rf8 20. Qxg7#
1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.1"]
[White "Koniahli, Malek"]
[Black "Holinka, Henning"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2309"]
[BlackElo "2292"]
[PlyCount "25"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. Kh1 b6 10. f4 Bb7 11. Bf3 Nbd7 12. Qe1 b5 13. a3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.2"]
[White "Kotyk, Michael"]
[Black "Bracker, Arne"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2239"]
[BlackElo "2289"]
[PlyCount "108"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5
8. O-O Be7 9. c4 d4 10. Bg5 O-O 11. Nd2 c5 12. Re1 h6 13. Qe2 hxg5 14. Qxe7
Qxe7 15. Rxe7 Be6 16. Re1 Rfb8 17. Nb3 Rb4 18. Nxc5 Rxb2 19. a4 Rd2 20. Bf1 Bf5
21. Nb3 Ra2 22. Nxd4 Bd7 23. Nf3 g4 24. Ng5 Re8 25. Rxe8+ Bxe8 26. c5 Rxa4 27.
Rc1 Bc6 28. Bc4 Nd5 29. h3 gxh3 30. Bxd5 Bxd5 31. c6 Rc4 32. Rxc4 Bxc4 33. c7
Ba6 34. Ne4 hxg2 35. Nd6 Kf8 36. c8=Q+ Bxc8 37. Nxc8 a5 38. Nb6 Ke7 39. Kxg2
Kf6 40. Kf3 Kg5 41. Na4 Kf5 42. Nc5 Kg5 43. Ke4 Kg4 44. Na4 f5+ 45. Ke3 g5 46.
Nc3 Kh3 47. Kf3 Kh2 48. Na4 Kg1 49. Kg3 Kf1 50. Kf3 g4+ 51. Kg3 Ke2 52. Nc5 f4+
53. Kxf4 Kxf2 54. Kxg4 a4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.3"]
[White "Heins, Simon"]
[Black "Colpe, Malte"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1777"]
[BlackElo "2373"]
[PlyCount "50"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4
Bb6 9. O-O Bg4 10. Be3 O-O 11. Bxc6 bxc6 12. Nc3 f5 13. Qc1 Qd7 14. a4 a5 15.
Nxe4 dxe4 16. Ng5 Be2 17. Re1 Bd3 18. Qc3 f4 19. Bc1 Qd5 20. Nh3 Bxd4 21. Qa3
Bxe5 22. g3 f3 23. Qe7 Rae8 24. Qh4 Bf6 25. Qg4 h5 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.4"]
[White "Keyser, Robin"]
[Black "Hort, Max"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2169"]
[BlackElo "2007"]
[PlyCount "104"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. h3 Bh5 6. c4 e6 7. Qb3 Qb6 8. d3
Nbd7 9. Qc2 Bd6 10. cxd5 exd5 11. e4 O-O 12. Be3 Qc7 13. Nh4 dxe4 14. dxe4 Bg6
15. Nd2 Nd5 16. Bd4 Ne7 17. f4 f6 18. Nxg6 Nxg6 19. Rad1 Kh8 20. h4 Rad8 21. h5
Ne7 22. Nf3 c5 23. Bc3 h6 24. Kh1 b5 25. Qd3 Nb8 26. Qxb5 Nbc6 27. Qc4 Qc8 28.
Qe2 Qg4 29. Ng1 Qe6 30. b3 Bc7 31. Bh3 Qf7 32. Rxd8 Rxd8 33. g4 Nd4 34. Qc4
Qxc4 35. bxc4 Nec6 36. Bg2 Nc2 37. e5 N6d4 38. exf6 gxf6 39. Rf3 Rb8 40. f5 Be5
41. Bxd4 cxd4 42. Rb3 Rxb3 43. axb3 d3 44. Be4 Ne1 45. Nf3 Bc3 46. c5 d2 47.
Nxd2 Bxd2 48. c6 Bf4 49. Kg1 Bg3 50. Kf1 Kg7 51. c7 Bxc7 52. Kxe1 Bb6 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.5"]
[White "Reddmann, Hauke"]
[Black "Richter, Thomas"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2171"]
[BlackElo "1876"]
[PlyCount "61"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 c5 5. cxd5 exd5 6. Nc3 Be6 7. e3 c4 8. Be2
Bb4 9. O-O Bxc3 10. bxc3 Nbd7 11. Nd2 O-O 12. f3 Qa5 13. Qc2 h6 14. Bh4 Qc7 15.
Rab1 Nh7 16. e4 a6 17. e5 f5 18. Be7 Rf7 19. Bd6 Qc8 20. f4 Ndf8 21. a4 g6 22.
Bf3 Rg7 23. Rb6 g5 24. Rfb1 gxf4 25. Qb2 Ng5 26. Rxb7 Ne4 27. Rxg7+ Kxg7 28.
Nxe4 fxe4 29. Bh5 Ra7 30. Qb6 Rd7 31. Bxf8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.6"]
[White "Holmsgaard, Henrik"]
[Black "Kahlert, Thomas"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2146"]
[BlackElo "2104"]
[PlyCount "25"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2
c5 9. Nbd2 h6 10. Nf1 Re8 11. Ng3 Bf8 12. c3 Nc6 13. h3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.7"]
[White "Schiller, Thomas"]
[Black "Kellner, Anton"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1877"]
[BlackElo "1797"]
[PlyCount "51"]
[EventDate "2025.04.18"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb3
e6 9. O-O dxe5 10. dxe5 Qxd1 11. Rxd1 Be7 12. Nc3 O-O 13. Be3 Nd7 14. Bf4 Nc5
15. Bc4 a6 16. a4 Na5 17. Ba2 Nab3 18. Rab1 b6 19. Nd4 Nxd4 20. Rxd4 a5 21.
Rbd1 Ba6 22. Be3 Rfd8 23. Bb1 Rxd4 24. Rxd4 Rd8 25. Bc2 Rxd4 26. Bxd4 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.8"]
[White "Knaak, Michael"]
[Black "Malchereck, Zion"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1842"]
[BlackElo "2063"]
[PlyCount "56"]
[EventDate "2025.04.18"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 e5 5. Na3 Nc6 6. Bc4 Qe4+ 7. Be2 Bd6 8.
O-O Nge7 9. d3 Qg6 10. Nc4 O-O 11. Nxd6 Qxd6 12. Be3 Nd5 13. d4 cxd4 14. cxd4
e4 15. Ng5 Nxe3 16. fxe3 Qd5 17. Nxf7 Rxf7 18. Rc1 Kh8 19. Bc4 Rxf1+ 20. Qxf1
Qf5 21. Qe2 Be6 22. Rf1 Bxc4 23. Qxc4 Qg6 24. Rf7 Re8 25. b4 Nd8 26. Rf4 Qc6
27. Qf1 Kg8 28. Qb1 Qc3 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.9"]
[White "Falke, Ornella"]
[Black "Sharma, Rishi"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2047"]
[BlackElo "1850"]
[PlyCount "67"]
[EventDate "2025.04.18"]

1. e4 e6 2. d3 d5 3. Nd2 Bc5 4. Ngf3 Nf6 5. e5 Nfd7 6. d4 Bb6 7. c3 c5 8. dxc5
Bxc5 9. Nb3 Bb6 10. Bf4 Qc7 11. Bd3 Nc6 12. Qe2 a5 13. a4 Nc5 14. Nxc5 Bxc5 15.
Bg3 Bd7 16. O-O h5 17. h4 O-O-O 18. Rfc1 f6 19. b4 Ba7 20. b5 Nxe5 21. Nxe5
fxe5 22. Bxe5 Bxf2+ 23. Kxf2 Qc5+ 24. Bd4 Qe7 25. g3 Rhf8+ 26. Kg2 g5 27. c4
gxh4 28. cxd5+ Kb8 29. Qe5+ Ka8 30. Qc7 Qb4 31. Bc3 h3+ 32. Kh1 Rf1+ 33. Rxf1
Qb3 34. Qxd8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.10"]
[White "Atri, Jamshid"]
[Black "Speck, Jakob"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2029"]
[BlackElo "1817"]
[PlyCount "85"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be2
Bb7 9. f3 d6 10. Be3 Nbd7 11. Rc1 Rc8 12. O-O Be7 13. Qd2 O-O 14. Rfd1 Qb8 15.
b4 Bd8 16. Nb3 Bc7 17. Bf4 Ne5 18. Bxe5 dxe5 19. c5 Rfd8 20. Qe3 Rxd1+ 21. Rxd1
bxc5 22. Nxc5 Qa7 23. Kf2 Bc6 24. Bxa6 Rd8 25. Rxd8+ Bxd8 26. Bb5 Qxa3 27. Bxc6
Qxb4 28. N3a4 Ba5 29. g3 Qc4 30. Kg2 Bb4 31. Qd3 Qa2+ 32. Kh3 g5 33. Nd7 g4+
34. fxg4 Nxg4 35. Kxg4 Qxh2 36. Nf6+ Kg7 37. Ne8+ Kg6 38. Nf6 h5+ 39. Kf3 Qh1+
40. Ke2 Qh2+ 41. Kf1 Qh1+ 42. Ke2 Qe1+ 43. Kf3 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.11"]
[White "Pittelkow, Andreas"]
[Black "Iachanou, Daniel"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2010"]
[BlackElo "1704"]
[PlyCount "41"]
[EventDate "2025.04.18"]

1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. O-O Nbd7 5. d3 g6 6. Nbd2 Bg7 7. e4 dxe4 8.
dxe4 e5 {(=)} 9. Qe2 O-O 10. Rd1 Qe7 11. Nc4 b6 12. b3 Bb7 13. Ba3 c5 14. Nd6
Bc6 15. Rd2 Ne8 16. Rad1 f5 17. exf5 gxf5 18. Nh4 Bxg2 19. Ndxf5 Qg5 20. Kxg2
Nb8 21. Qe4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.12"]
[White "Porth, Hartmut"]
[Black "Thürauf, Peter"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1996"]
[BlackElo "1772"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. e4 c5 2. d3 d6 3. f4 Nc6 4. Nf3 g6 5. Be2 Bg7 6. O-O e6 7. c3 Nge7 8. Na3
O-O 9. Nc2 d5 10. e5 b6 11. Be3 Qc7 12. d4 c4 13. Bf2 Bd7 14. Bh4 Nf5 15. Bf6
Bxf6 16. exf6 Qd8 17. g4 Nd6 18. g5 Nf5 19. Qe1 h5 20. Nh4 Nd6 21. Bf3 Re8 22.
Qe2 Nf5 23. Qf2 Qc7 24. Nxf5 exf5 25. Bxd5 Be6 26. Bg2 Rad8 27. Ne3 Na5 28.
Rae1 b5 29. Nc2 Nb7 30. Re3 Nd6 31. Rfe1 Kf8 32. Nb4 Qc8 33. Re5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.13"]
[White "Winklmann, Alexander"]
[Black "Soost, Stefan"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1593"]
[BlackElo "1934"]
[PlyCount "62"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8.
exd5 Nxd5 9. Bd2 Bxc3 10. Bxc3 Nxc3 11. bxc3 O-O 12. O-O Be6 13. Re1 f6 14. Rb1
Qc7 15. Rb2 Na5 16. Qd2 Rfd8 17. Qe2 Qxc3 18. Reb1 b6 19. Nd2 Qc7 20. Nb3 Nc4
21. Bxc4 Bxc4 22. Qe3 Rac8 23. Nd2 Bf7 24. Rc1 Bg6 25. Qb3+ Kh8 26. c4 Rd3 27.
Qb5 Rcd8 28. Qb4 a5 29. Qxb6 Rxd2 30. h3 Qxb6 31. Rxb6 Rc2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.15"]
[White "Fellberg, Justus"]
[Black "Rudolph, Max"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1746"]
[BlackElo "1864"]
[PlyCount "81"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. f4 Qa5 7. Qd2 Bg7 8. Nf3
e5 9. Bd3 exd4 10. Nxd4 Nc5 11. O-O O-O 12. Nb3 Qb4 13. Nxc5 dxc5 14. a3 Qa5
15. Rab1 Rd8 16. Qf2 Nd7 17. e5 Qc7 18. Ne4 b6 19. Bc4 Nf8 20. Qh4 Be6 21. Bxe6
fxe6 22. Rbd1 Rxd1 23. Rxd1 Qf7 24. g4 a6 25. Rd6 Ra7 26. Qe1 Qe8 27. b4 cxb4
28. axb4 Rb7 29. Qc3 c5 30. bxc5 bxc5 31. Qxc5 Rb1+ 32. Kf2 Qb5 33. Qxb5 axb5
34. c3 Rb2+ 35. Kf3 h6 36. Rb6 g5 37. Bd4 gxf4 38. Nf6+ Kh8 39. Rb8 Rb3 40.
Kxf4 Bxf6 41. Rxf8+ 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.16"]
[White "Kollath, Leno"]
[Black "Skibbe, Kai"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1705"]
[BlackElo "1840"]
[PlyCount "35"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. Bf4 e6 8.
Nbd2 Bd6 9. Bxd6 Qxd6 10. O-O O-O 11. h3 Bh5 12. Re1 Rab8 13. a4 a6 14. Qc2
Rfc8 15. Qd1 b5 16. Qe2 Bg6 17. Bxg6 hxg6 18. Ne5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.17"]
[White "Erk, Ben"]
[Black "Pothast, Laurenz"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1743"]
[BlackElo "1944"]
[PlyCount "47"]
[EventDate "2025.04.18"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. Nf3 Bg7
9. Nd2 O-O 10. Be2 e6 11. dxe6 Bxe6 12. Bc4 Re8 13. Bxe6 Rxe6 14. O-O Nbd7 15.
Nc4 Qc7 16. f3 Nb6 17. Nxb6 Qxb6 18. a4 Nh5 19. a5 Qb8 20. Na4 Bd4+ 21. Kh1 Qd8
22. Qe1 Qf6 23. Nb6 Rae8 24. Nd5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.18"]
[White "Alpers, Arne"]
[Black "Lasschuit, Rene"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1922"]
[BlackElo "1701"]
[PlyCount "66"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nd7 11. Bd3 b6 12. O-O Bb7 13. Rac1 O-O 14. Qf4
Rc8 15. Rxc8 Qxc8 16. Rc1 Qa8 17. Rc7 Nf6 18. e5 Nh5 19. Qg4 Bxf3 20. gxf3 g6
21. f4 Rc8 22. Be4 Qb8 23. Rb7 Rc1+ 24. Kg2 Qc8 25. Rxa7 Qc4 26. Kh3 Qxd4 27.
f3 Rg1 28. Rd7 Qf2 29. Rd8+ Kg7 30. Rd2 Qf1+ 31. Kh4 Rxg4+ 32. fxg4 Qe1+ 33.
Kg5 Qxd2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.19"]
[White "Strate, Gerda"]
[Black "Mkrtchyan, Nona"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1848"]
[BlackElo "1599"]
[PlyCount "73"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. h3 a6 6. a3 d5 7. Bg5 dxe4 8. Nxe4
Be7 9. Bxf6 gxf6 10. Qd2 Be6 11. Qc3 Qd5 12. Be2 O-O-O 13. b4 f5 14. Nc5 e4 15.
dxe4 fxe4 16. Rd1 Qf5 17. Nd2 Bf6 18. Qe3 Bd4 19. g4 Bxe3 20. gxf5 Bxd2+ 21.
Rxd2 Bxf5 22. Bg4 Bxg4 23. hxg4 Nd4 24. Kd1 Nf3 25. Rxd8+ Rxd8+ 26. Kc1 Ng5 27.
Re1 Re8 28. f4 b6 29. Nxa6 Nf3 30. Re3 Kb7 31. b5 Nd4 32. Nb4 f5 33. g5 Nxb5
34. Nd5 Re6 35. Nf6 h6 36. Nh5 hxg5 37. fxg5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.20"]
[White "Gökten, Aras"]
[Black "Loayza, Ignacio"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1811"]
[PlyCount "52"]
[EventDate "2025.04.18"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. exd5 exd5 5. d4 Be7 6. Nf3 O-O 7. h3 b6 8. Be2
dxc4 9. Bxc4 Bb7 10. Be3 Nc6 11. a3 Na5 12. Ba2 Ba6 13. b4 Nc4 14. b5 Nxe3 15.
fxe3 Bb7 16. O-O Bd6 17. Ne5 Qe7 18. Rf5 Bc8 19. Rg5 h6 20. Qf3 hxg5 21. Ng6
Qe8 22. Nxf8 Bb7 23. Nd5 Nxd5 24. Bxd5 Bxd5 25. Qxd5 Qxe3+ 26. Kh1 Rxf8 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.21"]
[White "Wang, Kaiwen"]
[Black "Hajjar, Ahmad"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1749"]
[PlyCount "55"]
[EventDate "2025.04.18"]

1. e4 g6 2. d4 Bg7 3. Bc4 d6 4. c3 Nf6 5. f3 c6 6. Ne2 O-O 7. Bb3 b5 8. Be3
Nbd7 9. Nd2 c5 10. Nf1 c4 11. Bc2 Bb7 12. g4 Nb6 13. Nfg3 Nfd7 14. Qd2 e5 15.
d5 Qc8 16. h4 Nf6 17. h5 Nbd7 18. Bh6 Nc5 19. Bxg7 Kxg7 20. O-O-O Nd3+ 21. Bxd3
cxd3 22. Qxd3 h6 23. hxg6 fxg6 24. Qe3 g5 25. Nf5+ Kh8 26. Rxh6+ Nh7 27. Rxh7+
Kxh7 28. Qxg5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.22"]
[White "Lohmann, Rene"]
[Black "Perschk, Bendix"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1691"]
[BlackElo "1769"]
[PlyCount "133"]
[EventDate "2025.04.18"]

1. c4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 Bg4 7. h3 Bd7 8. O-O
Qc8 9. Kh2 h5 10. h4 Ng4+ 11. Kg1 Nge5 12. b3 Nd3 13. Ba3 Bg4 14. f3 Bh3 15.
Qb1 Ncb4 16. Nc1 Nxc1 17. Bxb4 Bxc3 18. dxc3 Ne2+ 19. Kh2 Bxg2 20. Kxg2 a5 21.
Ba3 Qe6 22. Qd3 Nxg3 23. Kxg3 c5 24. Qd5 O-O 25. e5 Ra6 26. Qxe6 fxe6 27. exd6
exd6 28. Rfe1 Rf6 29. Bc1 Kf7 30. Bg5 Rf5 31. Rad1 a4 32. Rd3 axb3 33. axb3 e5
34. Red1 Ke6 35. f4 Kd7 36. b4 Rc6 37. bxc5 exf4+ 38. Bxf4 Rfxc5 39. Bxd6 Rxc4
40. Bb4+ Ke6 41. Rd4 Rxd4 42. Rxd4 Ra6 43. Kf4 Ra1 44. Rd6+ Kf7 45. Rd7+ Kf6
46. Be7+ Ke6 47. Rxb7 Rg1 48. Bg5 Rg4+ 49. Kf3 Rc4 50. Re7+ Kf5 51. Rf7+ Ke5
52. Bf6+ Ke6 53. Rf8 Rc6 54. Kf4 Rc4+ 55. Ke3 Kf5 56. Bg5+ Ke5 57. Kd3 Rc6 58.
Bf4+ Ke6 59. Kd4 Ra6 60. Be5 Ke7 61. Rb8 Ra1 62. Rb6 Rh1 63. Bf6+ Kd7 64. c4
Rd1+ 65. Kc5 Rf1 66. Bg5 Rf5+ 67. Kb4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.23"]
[White "Neumann, Hannes"]
[Black "Schwarzkopf, Jörg"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1655"]
[BlackElo "1863"]
[PlyCount "49"]
[EventDate "2025.04.18"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 Nxg4 6. Rg1 Ngf6 7. Bc4 Nb6 8.
Bb3 Be6 9. dxe5 dxe5 10. Qxd8+ Kxd8 11. Bxe6 fxe6 12. Nxe5 Kc8 13. Bf4 Nh5 14.
Nf7 Rg8 15. O-O-O Be7 16. Bg5 Nf6 17. e5 Nfd5 18. Nxd5 Bxg5+ 19. Nxg5 exd5 20.
Nxh7 c6 21. Nf6 Rh8 22. Rxg7 a5 23. e6 Kb8 24. e7 Ka7 25. Re1 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.24"]
[White "Mi, Gufeng"]
[Black "Fabig, Holger"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1659"]
[BlackElo "2012"]
[PlyCount "144"]
[EventDate "2025.04.18"]

1. e4 e6 2. d4 b6 3. Nc3 Bb7 4. Bd3 Nf6 5. f3 d5 6. Bg5 Be7 7. e5 Nfd7 8. Bxe7
Qxe7 9. Nge2 a6 10. O-O c5 11. b3 cxd4 12. Nxd4 Nxe5 13. Re1 Nxd3 14. Qxd3 O-O
15. Kh1 Nd7 16. Nf5 Qc5 17. Na4 Qc7 18. Ng3 Rac8 19. Rac1 b5 20. Nb2 Qa5 21.
Qe3 Qxa2 22. Nd3 Qa3 23. Nf4 Qd6 24. Nfh5 f6 25. Qxe6+ Qxe6 26. Rxe6 g6 27. Nf4
Nc5 28. Re7 Nxb3 29. Rce1 Nc5 30. Ne6 Nxe6 31. R1xe6 Rf7 32. Re8+ Rxe8 33.
Rxe8+ Kg7 34. Ne2 f5 35. Nd4 Rd7 36. Kg1 Kf7 37. Rh8 Kf6 38. f4 g5 39. g3 gxf4
40. gxf4 Rc7 41. Rf8+ Ke7 42. Rxf5 Rc4 43. Re5+ Kf6 44. Re6+ Kf7 45. c3 Rxd4
46. Rb6 Rxf4 47. Rxb7+ Kg6 48. Rb6+ Rf6 49. Rb7 Rc6 50. Ra7 Kf5 51. Kf2 Ke4 52.
Rxh7 Rxc3 53. Rh4+ Ke5 54. Rh5+ Kd4 55. Rh4+ Kc5 56. Rg4 Rc2+ 57. Kg3 b4 58. h4
Rc1 59. h5 Rg1+ 60. Kh4 Rh1+ 61. Kg5 Rxh5+ 62. Kxh5 a5 63. Rg1 b3 64. Rg8 Kc4
65. Rb8 Kc3 66. Rc8+ Kb4 67. Rb8+ Ka3 68. Ra8 a4 69. Rb8 Ka2 70. Ra8 a3 71. Rg8
b2 72. Rg2 Ka1 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.25"]
[White "Queißer, Jens"]
[Black "Malchereck, Romeo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1653"]
[BlackElo "1740"]
[PlyCount "142"]
[EventDate "2025.04.18"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 Nbd7 5. O-O b6 6. Nbd2 Bd6 7. a4 a5 8. b3
O-O 9. c4 Bb7 10. Bb2 c5 11. cxd5 Bxd5 12. Nc4 Bc7 13. Na3 Rc8 14. Nb5 Bb8 15.
Nc3 Ba8 16. Rc1 cxd4 17. Nxd4 Bxg2 18. Kxg2 Nc5 19. f3 e5 20. Nf5 g6 21. Qxd8
Rcxd8 22. Ne7+ Kg7 23. Rfd1 Nxb3 24. Rxd8 Rxd8 25. Nc6 Rc8 26. Nxb8 Nxc1 27.
Ne4 Nxe4 28. Bxe5+ Nf6 29. Nd7 Rc6 30. Nxf6 Rxf6 31. h4 h6 32. g4 g5 33. f4 Kg6
34. h5+ Kg7 35. fxg5 hxg5 36. h6+ Kxh6 37. Bxf6 Nxe2 38. Bd8 Nf4+ 39. Kf3 Nd5
40. Ke4 Nc3+ 41. Kf5 Nxa4 42. Bxg5+ Kg7 43. Bd8 Kf8 44. Kf6 Nc5 45. Kf5 Nd7 46.
g5 a4 47. Bc7 Ke8 48. Bd6 Nc5 49. Be5 a3 50. Bd4 a2 51. g6 fxg6+ 52. Kxg6 Nb3
53. Bb2 a1=Q 54. Bxa1 Nxa1 55. Kf5 Kd7 56. Ke5 Kc6 57. Kd4 Nc2+ 58. Kc4 b5+ 59.
Kc3 Ne3 60. Kb4 Nd5+ 61. Kb3 Kc5 62. Kb2 Kc4 63. Kc2 b4 64. Kb2 b3 65. Kb1 Kc3
66. Kc1 Ne3 67. Kb1 b2 68. Ka2 Kc2 69. Ka3 b1=Q 70. Ka4 Qb6 71. Ka3 Qb3# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.26"]
[White "Majewski, Nico"]
[Black "Babychev, Mykhailo"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "1631"]
[BlackElo "1698"]
[PlyCount "106"]
[EventDate "2025.04.18"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 Bg4 6. Bc4 e6 7. h3 Bh5 8.
Qb3 Bxf3 9. gxf3 b6 10. d3 a6 11. Qc2 Nc6 12. Be3 b5 13. Nxb5 Nb4 14. Nxc7+ Kd7
15. Qa4+ Kxc7 16. Rc1 Nc6 17. Bd5 Bb4+ 18. Ke2 Nxd5 19. Qxc6+ Kb8 20. exd5 exd5
21. Bf4+ Ka7 22. Kf1 Rc8 23. Bc7 Qf6 24. Qd7 Qe7 25. Qxe7 Bxe7 26. Kg2 Bg5 27.
f4 Bf6 28. Be5 Rhe8 29. Rhe1 Bxe5 30. fxe5 Rxe5 31. Rxe5 Rxc1 32. Rxd5 Rc7 33.
Kf3 g6 34. Ke3 f5 35. Kd2 Kb7 36. h4 Kc6 37. Rd4 Re7 38. Rc4+ Kb6 39. Rd4 Kc6
40. Rd8 Rg7 41. d4 g5 42. hxg5 Rxg5 43. Ke3 Rh5 44. Kf4 Kc7 45. Rf8 Rh4+ 46.
Ke5 Re4+ 47. Kd5 Re2 48. Rxf5 Rxb2 49. Rf7+ Kb6 50. Rxh7 Rxf2 51. Rh6+ Ka5 52.
Kc6 Rxa2 53. Kb7 Kb5 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.27"]
[White "Kock, Rudolf"]
[Black "Schranz, Patrick"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1627"]
[BlackElo "1696"]
[PlyCount "43"]
[EventDate "2025.04.18"]

1. f4 d5 2. b3 Nf6 3. Bb2 Bf5 4. Nf3 e6 5. e3 Be7 6. d3 O-O 7. Nbd2 c5 8. Qe2
Nc6 9. Nh4 Bg4 10. Qf2 Nd7 11. Nhf3 Nb4 12. h3 Nxc2+ 13. Kd1 Nxa1 14. hxg4 Bf6
15. d4 cxd4 16. exd4 Nxb3 17. axb3 Qc7 18. g5 Qxf4 19. gxf6 Nxf6 20. Rh4 Qc7
21. Bd3 h6 22. g4 {Rest nicht rekonstruierbar} 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.28"]
[White "Busch, Jonathan Luis"]
[Black "Lascheit, Andreas"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1661"]
[PlyCount "91"]
[EventDate "2025.04.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bd3 Be7 7. O-O Nc6 8.
Nxc6 bxc6 9. Re1 d5 10. e5 Nd7 11. Qg4 g6 12. Bh6 Bb7 13. Rad1 a6 14. Bf1 Rc8
15. Kh1 Bf8 16. Bxf8 Nxf8 17. Ne4 Nd7 18. Nd6+ Kf8 19. Nxb7 Qc7 20. Nd6 Nxe5
21. Rxe5 Qxd6 22. Ree1 c5 23. Qe2 Rc6 24. Qe5 Qxe5 25. Rxe5 c4 26. Re3 Ke7 27.
Rxd5 Rb8 28. b3 cxb3 29. cxb3 Rc2 30. Ra5 Rxf2 31. Rf3 Rd2 32. Rxa6 f5 33. Re3
Rd6 34. Ra7+ Rd7 35. Rxd7+ Kxd7 36. Bc4 Rb6 37. g3 Ke7 38. Kg2 Kf6 39. Rxe6+
Rxe6 40. Bxe6 Kxe6 41. a4 Kd6 42. b4 Kc6 43. h4 Kb6 44. Kf3 h6 45. Kf4 Kc6 46.
h5 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.29"]
[White "Sengupta, Aroop Ratan"]
[Black "Klaeke, Gregor"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1655"]
[PlyCount "68"]
[EventDate "2025.04.18"]

1. e4 Nc6 2. Nf3 g6 3. d4 d5 4. e5 Nh6 5. Bxh6 Bxh6 6. Nbd2 O-O 7. Bd3 Bg4 8.
c3 f6 9. exf6 exf6 10. Be2 Re8 11. O-O Qd6 12. h3 Bd7 13. Re1 Ne7 14. Nb3 b6
15. Qc2 Qf4 16. Qd2 Kg7 17. Qxf4 Bxf4 18. Bd3 Nf5 19. Rad1 Nd6 20. Nbd2 a5 21.
Re2 Rxe2 22. Bxe2 Bf5 23. Nf1 Be4 24. N3d2 Bf5 25. g4 Bc2 26. Rc1 Ba4 27. Bd1
Bb5 28. Ne3 Re8 29. Bb3 c6 30. Re1 f5 31. gxf5 gxf5 32. Nf3 Kf6 33. Kg2 Rg8+
34. Kh1 Ne4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.30"]
[White "Ikwuka, God´sfavour"]
[Black "Bezverkhiy, Dmitry"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1628"]
[BlackElo "1598"]
[PlyCount "61"]
[EventDate "2025.04.18"]

1. e4 c6 2. f4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. d4 Bg4 7. Bd3 e6 8. O-O cxd4
9. Qa4 Bxf3 10. Rxf3 dxc3 11. Nxc3 Bc5+ 12. Kh1 Ng4 13. h3 Nf2+ 14. Kh2 O-O 15.
Bb5 Qb6 16. Bxc6 bxc6 17. Qc2 f6 18. Na4 Ng4+ 19. hxg4 Bg1+ 20. Kh3 Qd4 21. Bd2
fxe5 22. Bc3 Qc4 23. b3 Qe4 24. Qxe4 dxe4 25. Rff1 Be3 26. Bxe5 Rad8 27. Rae1
Rd3 28. Kh2 Rfd8 29. Nb2 Rd2 30. Rxe3 Rxb2 31. Bxb2 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.31"]
[White "De Vries, Anakin"]
[Black "Koop, Michael"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1569"]
[PlyCount "31"]
[EventDate "2025.04.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bf4 g6 6. Nf3 Nc6 7. c3 Bg7 8. O-O
O-O 9. Nbd2 Bd7 10. Re1 Rc8 11. Qc2 Re8 12. h3 h6 13. Bxg6 e5 14. dxe5 Nb4 15.
Qb3 Nd3 16. Bxd3 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.32"]
[White "Busch, Lara Sophie"]
[Black "Rojas Albores, Graciela Ivonne"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1651"]
[BlackElo "1619"]
[PlyCount "120"]
[EventDate "2025.04.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d3 Bc5 5. c3 Nf6 6. h3 a6 7. Bb3 d6 8. Nbd2 b5
9. a4 Bb7 10. Nf1 d5 11. d4 exd4 12. e5 Ne4 13. cxd4 Bb4+ 14. Bd2 Bxd2+ 15.
N1xd2 O-O 16. O-O Na5 17. Rc1 Nc4 18. Qc2 Qe7 19. Rfe1 c5 20. Bxc4 Nxd2 21.
Qxd2 bxc4 22. Qc3 Rac8 23. Qa3 Rc7 24. Re3 Re8 25. Rce1 Bc8 26. dxc5 Rxc5 27.
Nd4 Be6 28. f4 g6 29. g4 Kh8 30. Kh2 Qc7 31. Rg3 Qb6 32. Re2 Rc7 33. Qe3 Bc8
34. f5 g5 35. h4 f6 36. e6 Qd6 37. Kg2 Rh7 38. Rh3 Ree7 39. Kg1 Qc5 40. Reh2
Qc7 41. Ne2 Bb7 42. Qd4 Qe5 43. Qb6 Reg7 44. hxg5 Rxg5 45. Rxh6 Rxg4+ 46. Kf1
Qxf5+ 47. Qf2 Qb1+ 48. Qe1 Qf5+ 49. Qf2 Qxf2+ 50. Kxf2 Rxh6 51. Rxh6+ Kg7 52.
Rh3 Bc6 53. a5 f5 54. Rg3 Rxg3 55. Kxg3 Kf6 56. Nd4 Be8 57. Kf4 Bg6 58. b3 c3
59. b4 Be8 60. Nxf5 c2 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.33"]
[White "Wang, Kaichen"]
[Black "Abram, Kristina-Maria"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1599"]
[BlackElo "1477"]
[PlyCount "120"]
[EventDate "2025.04.18"]

1. c4 e6 2. g3 Nf6 3. Bg2 Be7 4. Nc3 O-O 5. d3 Nc6 6. Nf3 b6 7. Bf4 Bb7 8. Be3
Re8 9. a3 d5 10. cxd5 exd5 11. O-O Ng4 12. Bf4 a6 13. d4 Nf6 14. Qd3 Bd6 15.
Bg5 Na7 16. Bd2 Ne4 17. Qc2 Nb5 18. Be3 c5 19. dxc5 bxc5 20. Nxe4 dxe4 21. Ng5
Qe7 22. f3 Nd4 23. Bxd4 Qxg5 24. Bc3 Qe3+ 25. Kh1 exf3 26. exf3 Re6 27. Rae1
Qh6 28. Rxe6 Qxe6 29. Qf2 Rd8 30. Rd1 h6 31. b4 Qb3 32. Qe1 Qxa3 33. h4 Kh7 34.
bxc5 Bxg3 35. Ra1 Qxc5 36. Ra5 Qxa5 37. Qb1+ Be4 38. Qxe4+ f5 39. Bxa5 Rd1+ 40.
Qe1 Bxe1 41. Bxe1 Rxe1+ 42. Kh2 Re2 43. Kg3 Rxg2+ 44. Kxg2 a5 45. Kf2 a4 46.
Ke3 a3 47. Kf4 Kg6 48. h5+ Kxh5 49. Kxf5 g6+ 50. Ke4 a2 51. f4 a1=Q 52. Ke3 Kg4
53. Ke4 Qd1 54. Ke5 Qd3 55. f5 gxf5 56. Kf6 Qd6+ 57. Kf7 Kg5 58. Ke8 Qc7 59.
Kf8 Kf6 60. Kg8 Qg7# 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.34"]
[White "Falke, Franziska"]
[Black "Wang, Huanying"]
[Result "1-0"]
[ECO "A28"]
[BlackElo "1422"]
[PlyCount "65"]
[EventDate "2025.04.18"]

1. c4 e5 2. Nf3 Nc6 3. d4 e4 4. Ng5 Nf6 5. Nc3 Bb4 6. Bd2 Nxd4 7. Ngxe4 O-O 8.
a3 Ba5 9. b4 Nxe4 10. Nxe4 Re8 11. Bc3 Rxe4 12. Bxd4 c5 13. Bxc5 Bb6 14. Bxb6
Qxb6 15. c5 Qe6 16. e3 b6 17. cxb6 Qxb6 18. Rc1 d6 19. Bd3 Re8 20. Bc4 Bb7 21.
O-O Rad8 22. Re1 Re7 23. Qb3 d5 24. Bd3 Qe6 25. Bb1 Ba8 26. Rc5 f6 27. Qd3 g6
28. h4 Qg4 29. g3 Rde8 30. Ba2 Kf8 31. Bxd5 Rd8 32. Kg2 Bb7 33. Qd1 1-0

