[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.1"]
[White "Parvanyan, Ashot"]
[Black "Schacht, David"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2429"]
[BlackElo "1541"]
[PlyCount "103"]
[EventDate "2023.04.07"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e6 5. g3 Be7 6. Bg2 O-O 7. O-O Nc6 8.
Nc3 Nxd4 9. Qxd4 d6 10. b3 e5 11. Qd3 Rb8 12. Rd1 Bd7 13. Nb5 Bxb5 14. cxb5 Qd7
15. Be3 b6 16. a4 Rfd8 17. f4 exf4 18. Bxf4 Qe6 19. Rac1 Rd7 20. Rc6 Rbd8 21.
e4 Bf8 22. Qc4 Qxc4 23. bxc4 Ng4 24. Bh3 h5 25. Rd5 g6 26. Kg2 Kg7 27. Bxg4
hxg4 28. Rg5 Re8 29. Rxg4 f6 30. Kf3 Re6 31. Be3 Kf7 32. Rh4 g5 33. Rg4 Rde7
34. Bd2 Ke8 35. Rc8+ Kf7 36. h4 Bh6 37. hxg5 fxg5 38. Bxg5 Bxg5 39. Rxg5 Rxe4
40. Rd5 Re3+ 41. Kf4 Ra3 42. Rxd6 Rxa4 43. Rdc6 Rd7 44. R8c7 Rxc7 45. Rxc7+ Kf6
46. Rc6+ Kf7 47. Kf5 Ra1 48. Rc7+ Kf8 49. g4 Rf1+ 50. Kg6 Rf4 51. g5 Rf1 52.
Rxa7 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.2"]
[White "Koch, Ralf-Johannes"]
[Black "Plenca, Julijan"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1716"]
[BlackElo "2416"]
[PlyCount "52"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 Rb8 6. Bg2 d6 7. O-O b5 8. d3 b4
9. Ne2 a5 10. c3 Nf6 11. Qc2 O-O 12. h3 Qb6 13. Bd2 Ba6 14. c4 Nd7 15. Rab1 b3
16. axb3 Qxb3 17. Qxb3 Rxb3 18. Bc3 Rfb8 19. Nd2 R3b6 20. Bxg7 Kxg7 21. b3 Nb4
22. d4 Nc2 23. d5 Ne3 24. Rfc1 a4 25. bxa4 Rb2 26. Rxb2 Rxb2 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.3"]
[White "Bracker, Frank"]
[Black "Schmidt, Roland"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2314"]
[PlyCount "83"]
[EventDate "2023.04.07"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. cxd5 exd5 8. Qb3
Qb6 9. Be3 Qxb3 10. axb3 a6 11. Bd2 Nbd7 12. b4 Bd6 13. Bc3 O-O 14. Nbd2 Rfe8
15. Nd4 Bh7 16. N2b3 Nf8 17. Bh3 Ne6 18. Nxe6 fxe6 19. Nc5 Bxc5 20. bxc5 e5 21.
f3 Rad8 22. Ba5 Ra8 23. Bc7 e4 24. d4 exf3 25. exf3 Re2 26. Rf2 Rae8 27. Be5
Rxf2 28. Kxf2 Bd3 29. Re1 Kf7 30. Re3 Bb5 31. b4 Ra8 32. Bc7 Ne8 33. Bb6 g6 34.
Bd7 Ng7 35. g4 h5 36. Kg3 Ba4 37. h3 Bc2 38. Bc7 Rh8 39. Bd6 hxg4 40. hxg4 Ra8
41. Re7+ Kg8 42. Be5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.4"]
[White "Dorendorf, Mika"]
[Black "Woelk, Tom-Frederic"]
[Result "0-1"]
[ECO "E50"]
[WhiteElo "1717"]
[BlackElo "2292"]
[PlyCount "64"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Be2 O-O 7. O-O c5 8. Qc2
Nc6 9. a3 cxd4 10. exd4 Bxc3 11. Qxc3 d5 12. c5 a5 13. Bf4 a4 14. Bd6 Ne4 15.
Qc2 Nxd6 16. cxd6 Qxd6 17. Bb5 Rfc8 18. Qd1 Ra5 19. Bxa4 b5 20. Bc2 b4 21. a4
Ra7 22. Re1 g6 23. Ne5 Nxe5 24. dxe5 Qb6 25. Re3 d4 26. Re2 Ra5 27. Be4 Ba6 28.
Bd3 b3 29. Bxa6 Qxa6 30. Rd2 Rxa4 31. Rxa4 Qxa4 32. Rxd4 Qxd4 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.5"]
[White "Spiric, Igor"]
[Black "Schulze, Tim"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2259"]
[BlackElo "1663"]
[PlyCount "79"]
[EventDate "2023.04.07"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2
h6 9. Bh4 Re8 10. Nge2 a5 11. f3 b5 12. O-O Ba6 13. Bf2 b4 14. Na4 Bxd3 15.
Qxd3 Nbd7 16. Rac1 Nb6 17. Nxb6 Qxb6 18. Qc2 Rac8 19. Qa4 c5 20. dxc5 Bxc5 21.
Nd4 Bxd4 22. exd4 Rxc1 23. Rxc1 Re2 24. Rc8+ Kh7 25. Qb3 Qe6 26. Qd3+ g6 27.
Rc2 Rxc2 28. Qxc2 Qa6 29. b3 Qe6 30. Qc7 Kg7 31. Qxa5 Qe2 32. Qxb4 Qxa2 33. g4
Qe2 34. Qc3 h5 35. g5 Ne8 36. Qc6 Qe6 37. Qxe6 fxe6 38. Bg3 Kf7 39. Be5 Ke7 40.
Kf2 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.6"]
[White "Dawidzinski, Jan"]
[Black "Bracker, Arne"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1618"]
[BlackElo "2254"]
[PlyCount "68"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Be2 O-O 6. Bg5 h6 7. Be3 Nbd7 8. Qd2
c5 9. d5 Kh7 10. h4 b5 11. cxb5 a6 12. h5 g5 13. Nh3 g4 14. Ng5+ Kg8 15. Ne6
fxe6 16. Bxh6 Ne5 17. Bxg7 Kxg7 18. f4 Nf7 19. e5 Nxd5 20. Nxd5 exd5 21. Qd3
Qa5+ 22. Kd1 Qa4+ 23. b3 Qe4 24. Qg3 Qd4+ 25. Kc2 Bf5+ 26. Bd3 Bxd3+ 27. Qxd3
Qxd3+ 28. Kxd3 axb5 29. h6+ Nxh6 30. e6 Rxf4 31. Rh5 Rf5 32. Rh4 b4 33. Rah1
Rf6 34. Rh5 Rxa2 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.7"]
[White "Schmitzer, Klaus"]
[Black "Domschke, Stephan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2238"]
[BlackElo "1654"]
[PlyCount "71"]
[EventDate "2023.04.07"]

1. e4 d6 2. d4 e5 3. Ne2 c6 4. Be3 Nf6 5. f3 Qb6 6. Qc1 Nbd7 7. Nbc3 Qc7 8. g4
h6 9. Qd2 b5 10. Ng3 g6 11. O-O-O a5 12. h4 a4 13. Qg2 b4 14. Nce2 Nb6 15. Kb1
Nc4 16. Bc1 Be6 17. g5 Nd7 18. d5 cxd5 19. exd5 Bf5 20. Nxf5 gxf5 21. Ng3 f4
22. Ne4 Rg8 23. Qe2 Ndb6 24. Nf6+ Kd8 25. Nxg8 h5 26. Nf6 Bg7 27. Nxh5 Bh8 28.
Nf6 Rc8 29. Rh2 b3 30. cxb3 axb3 31. axb3 Na5 32. Qb5 Qa7 33. Qe8+ Kc7 34. Rc2+
Kb8 35. Rxc8+ Nxc8 36. Bh3 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.8"]
[White "Spohrer, Paul"]
[Black "Popvasilev, Kaloyan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1618"]
[BlackElo "2223"]
[PlyCount "0"]
[EventDate "2023.04.07"]

 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.9"]
[White "Reddmann, Hauke"]
[Black "Sviridov, Vitaliy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2196"]
[BlackElo "1550"]
[PlyCount "67"]
[EventDate "2023.04.07"]

1. d4 d5 2. Bf4 e6 3. c3 Nf6 4. e3 Bd6 5. Bd3 Bxf4 6. exf4 Qd6 7. g3 c5 8. dxc5
Qxc5 9. Nf3 Bd7 10. Qe2 Nc6 11. Nbd2 O-O 12. O-O Rad8 13. Nb3 Qe7 14. Rad1 b6
15. Rfe1 Rfe8 16. Ne5 Qf8 17. Bc2 Ne7 18. Nd4 Rc8 19. Nxd7 Nxd7 20. Nxe6 fxe6
21. Qxe6+ Qf7 22. Qxd7 a5 23. Bb3 Rcd8 24. Bxd5 Nxd5 25. Rxe8+ Rxe8 26. Qxf7+
Kxf7 27. Rxd5 Re6 28. Kg2 Re2 29. Rb5 Re6 30. Kf3 Kf6 31. g4 Ke7 32. Re5 Kd6
33. Rxe6+ Kxe6 34. Ke4 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.10"]
[White "Malchereck, Romeo"]
[Black "Hovhannisyan, Artur"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1579"]
[BlackElo "2198"]
[PlyCount "42"]
[EventDate "2023.04.07"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 Nc6 6. Nc3 Nxc3 7. bxc3 d6 8.
exd6 Qxd6 9. Bd3 g6 10. Ne2 Bg7 11. a4 O-O 12. Ba3 Qc7 13. O-O Rd8 14. f4 f5
15. Qb3+ Kh8 16. Rad1 e6 17. Qa2 b6 18. Bc4 Na5 19. Bxe6 Bxe6 20. Qxe6 Nc4 21.
Bc1 Rd6 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.11"]
[White "Brinkmann, Fabian"]
[Black "Mi, Gufeng"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2187"]
[BlackElo "1523"]
[PlyCount "0"]
[EventDate "2023.04.07"]

 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1.12"]
[White "Schranz, Patrick"]
[Black "Kahlert, Thomas"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1484"]
[BlackElo "2160"]
[PlyCount "76"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 dxc4 6. e3 Be6 7. Ne5 O-O 8.
Bxc4 Bxc4 9. Nxc4 c5 10. O-O cxd4 11. Qxd4 Qxd4 12. exd4 Nc6 13. d5 Nb4 14. Ne3
Rfd8 15. Rfd1 Rd7 16. a3 Na6 17. Nc4 Nc5 18. f3 h6 19. Be3 Nb3 20. Rab1 Ne8 21.
Ne4 b5 22. Ncd2 Nd4 23. Nc3 Nf5 24. Nf1 a6 25. Bf2 Bxc3 26. bxc3 Rc8 27. Rbc1
Nf6 28. Ne3 Nxe3 29. Bxe3 Rxd5 30. Rxd5 Nxd5 31. Bxh6 Rxc3 32. Rd1 e6 33. Bc1
Rc2 34. g3 f6 35. h4 Kf7 36. f4 Nc3 37. Re1 Rxc1 38. Rxc1 Ne2+ 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.1"]
[White "Nahnsen, Kenneth"]
[Black "Parvanyan, Ashot"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2021"]
[BlackElo "2429"]
[PlyCount "42"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 O-O 7. Ng3 e6 8. h4
exd5 9. cxd5 h5 10. Bg5 Qa5 11. Be2 Re8 12. O-O Nh7 13. Bd2 Qd8 14. Bf4 Bf8 15.
Bb5 Nd7 16. Qd2 Qxh4 17. Rae1 a6 18. Be2 Ne5 19. Bxe5 Rxe5 20. f4 Re8 21. Qd3
Bg7 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.2"]
[White "Plenca, Julijan"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2416"]
[BlackElo "2012"]
[PlyCount "108"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
h4 f6 9. exf6 Qxe2+ 10. Bxe2 Nxf6 11. Bf4 Nd5 12. Bd2 Rb8 13. b3 Be7 14. Bg5
Bb4+ 15. Kf1 O-O 16. Bf3 h6 17. Bd2 Be7 18. Nc3 Bf6 19. Bxd5+ cxd5 20. Re1 Bd4
21. Nd1 Ba6+ 22. Kg1 Rbe8 23. Rxe8 Rxe8 24. Be3 Bf6 25. c3 Be2 26. Kh2 Bxh4 27.
Re1 Bh5 28. Nb2 Bf6 29. Rc1 d6 30. Nd3 c5 31. b4 d4 32. cxd4 cxd4 33. Bf4 Be2
34. Re1 Kf7 35. Nc1 d3 36. Bd2 d5 37. Kg3 d4 38. f4 Rc8 39. Nxe2 dxe2 40. Kf3
d3 41. g3 Bd4 42. Ke4 Bf2 43. Kxd3 Bxe1 44. Bxe1 Rc1 45. Kxe2 Rc2+ 46. Kf3 Rxa2
47. Bf2 h5 48. b5 g6 49. Bc5 Ke6 50. g4 Kd5 51. Be3 h4 52. b6 a5 53. f5 gxf5
54. g5 h3 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.3"]
[White "Avdic, Faris"]
[Black "Bracker, Frank"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2052"]
[BlackElo "2314"]
[PlyCount "124"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Re8 8.
Qc2 Nbd7 9. Nge2 c6 10. O-O Nf8 11. Bxf6 Bxf6 12. b4 a6 13. a4 g6 14. Nc1 Be7
15. Qb3 Bd6 16. Be2 h5 17. Nd3 h4 18. b5 a5 19. Rac1 Ne6 20. f4 f6 21. Bf3 Kh7
22. Ne2 Bd7 23. e4 dxe4 24. Bxe4 Ng7 25. Bf3 cxb5 26. axb5 a4 27. Qd5 Qe7 28.
Rfe1 Rab8 29. Nc3 Be6 30. Qe4 a3 31. d5 Bf5 32. Qd4 Qd8 33. Nf2 Rc8 34. Nfe4
Kh8 35. g3 Rf8 36. Qf2 Bb4 37. Red1 Bxe4 38. Nxe4 b6 39. g4 Rxc1 40. Qxh4+ Kg8
41. Rxc1 Bc5+ 42. Nxc5 bxc5 43. Qf2 Qd6 44. Qxc5 Qxf4 45. Qxa3 f5 46. g5 Re8
47. Rf1 Re3 48. Qa8+ Kh7 49. Bg2 Qxg5 50. b6 Re2 51. d6 Qe3+ 52. Kh1 Qxb6 53.
d7 Rd2 54. Bd5 Ne6 55. Bxe6 Qxe6 56. d8=Q Rxd8 57. Qxd8 Qe4+ 58. Kg1 Qg4+ 59.
Kf2 Qf4+ 60. Ke2 Qe4+ 61. Kd2 Qg2+ 62. Ke1 Qe4+ 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.4"]
[White "Woelk, Tom-Frederic"]
[Black "Debertshäuser, Jörn"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2292"]
[BlackElo "2049"]
[PlyCount "63"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Ne7 9. c4 Nf5 10. Bd3 g6 11. O-O a6 12. Nc3 Bg7 13. Bd2 O-O 14. b4 b6 15.
a4 Rb8 16. Ra3 Nd4 17. Be3 Nf5 18. Bd2 Nd4 19. f3 Qc7 20. Be3 Bf5 21. Ne2 Bxd3
22. Qxd3 Rfc8 23. Rc1 Nxe2+ 24. Qxe2 a5 25. Rb3 b5 26. cxb5 Qxc1+ 27. Bxc1
Rxc1+ 28. Kf2 Rbc8 29. b6 axb4 30. b7 Rb8 31. Qa6 Rc2+ 32. Kg3 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.5"]
[White "Neuendorf, Max"]
[Black "Spiric, Igor"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2000"]
[BlackElo "2259"]
[PlyCount "55"]
[EventDate "2023.04.07"]

1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Nf3 d6 5. Qe2 Nd7 6. Bf4 Ne7 7. Nbd2 Ng6 8. Bg3
Be7 9. c3 e5 10. O-O-O exd4 11. Nxd4 Nde5 12. Bc2 Bg5 13. Bxe5 dxe5 14. Nf5 O-O
15. g3 Qf6 16. h4 Bxd2+ 17. Rxd2 Ne7 18. Ne3 Rad8 19. Rxd8 {(=)} Rxd8 20. Rf1
Qg6 21. h5 Qg5 22. Kb1 h6 23. a3 Rd6 24. Ka1 Bc8 25. Rd1 Qf6 26. Rf1 Qg5 27.
Rd1 Qf6 28. Rf1 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.6"]
[White "Bracker, Arne"]
[Black "Hopson, Kevin Mike"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2254"]
[BlackElo "1968"]
[PlyCount "69"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3
d6 9. a3 Na5 10. Ba2 Be6 11. b4 Bxa2 12. Rxa2 Nc6 13. Bg5 Nd7 14. Be3 f5 15.
Nd5 f4 16. Bd2 Nf6 17. c4 Nxd5 18. cxd5 Nb8 19. d4 g5 20. dxe5 dxe5 21. Bc3 Nd7
22. Nxe5 Nxe5 23. Bxe5 f3 24. gxf3 Bd6 25. Bxd6 Qxd6 26. Kh1 Rf4 27. Rg1 h6 28.
Rc2 Rh4 29. Rg3 Qg6 30. Rxc7 Qh5 31. Rg2 Rf8 32. Qd4 Qg6 33. Rg3 g4 34. Qc3 h5
35. Rc8 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.7"]
[White "Porth, Hartmut"]
[Black "Schmitzer, Klaus"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1961"]
[BlackElo "2238"]
[PlyCount "102"]
[EventDate "2023.04.07"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. h3
O-O 9. O-O Nh5 10. Bh2 f5 11. Re1 Qb6 12. Qb3 Qxb3 13. axb3 Bd7 14. b4 a6 15.
Ne5 Nxe5 16. Bxe5 Bh6 17. Na3 f4 18. Be2 Nf6 19. Bxf6 Rxf6 20. Bf3 e6 21. Nb1
Bf8 22. Nd2 Bb5 23. Be2 Bxe2 24. Rxe2 Bd6 25. Nf3 h6 26. Kf1 g5 27. Ke1 Kf7 28.
Kd2 Ke7 29. Kd3 Kd7 30. b3 Rg8 31. Ne5+ Bxe5 32. Rxe5 g4 33. h4 Rc8 34. c4
dxc4+ 35. bxc4 Rc6 36. b5 Rb6 37. bxa6 bxa6 38. Kc3 Rf8 39. c5 Rc6 40. Rh5 Rf6
41. Kc4 Kc7 42. Re5 Kb7 43. Rb1+ Kc7 44. Rbe1 Kb7 45. d5 exd5+ 46. Kxd5 Rc7 47.
Rb1+ Ka7 48. Rbe1 Kb7 49. Rb1+ Ka7 50. Rbe1 Kb7 51. Rb1+ Ka7 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.8"]
[White "Popvasilev, Kaloyan"]
[Black "Fabig, Holger"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2223"]
[BlackElo "1990"]
[PlyCount "55"]
[EventDate "2023.04.07"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. e5 Nfd7 5. Nf3 Be7 6. h4 c5 7. g3 Nc6 8. Bg2 h6
9. h5 b6 10. c4 dxc4 11. dxc4 Bb7 12. O-O Nd4 13. Nxd4 Bxg2 14. Kxg2 cxd4 15.
Rd1 Bc5 16. Nd2 O-O 17. Nf3 Qc7 18. Bf4 Qc6 19. Kg1 b5 20. cxb5 Qb6 21. a3 f6
22. exf6 Rxf6 23. b4 Be7 24. Rxd4 Qb7 25. Rc1 e5 26. Nxe5 Bd6 27. Qc4+ Kh7 28.
Qd3+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.9"]
[White "Krüger, Arthur"]
[Black "Reddmann, Hauke"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1905"]
[BlackElo "2196"]
[PlyCount "70"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 Nh5 7. Bg5 Qb6 8. Ne5
Nf6 9. Rb1 Nxe5 10. dxe5 Nd7 11. Bf4 Be7 12. Qg4 g5 13. Bxg5 Rg8 14. h4 h6 15.
f4 hxg5 16. hxg5 Nf8 17. Qf3 Bd7 18. Bd3 O-O-O 19. O-O Bc6 20. Qf2 Rg7 21. b4
cxb4 22. cxb4 Kb8 23. b5 Bd7 24. a4 Ng6 25. Nb3 Rh8 26. Qd2 Rgh7 27. a5 Qd8 28.
Nd4 Ka8 29. b6 Bc5 30. Nb3 axb6 31. axb6 Bxb6 32. Ra1+ Kb8 33. Nd4 Bxd4 34.
exd4 Bc6 35. Qa2 Qb6 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.10"]
[White "Hovhannisyan, Artur"]
[Black "Klaas, Heiko"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2198"]
[BlackElo "1965"]
[PlyCount "110"]
[EventDate "2023.04.07"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bg4 8. h3
Bh5 9. g4 Bg6 10. Ne5 Qc7 11. f4 Bd6 12. Nf3 h6 13. O-O O-O 14. Bxf6 gxf6 15.
f5 Bh7 16. Bxc6 Qxc6 17. Nc3 d4 18. exd4 cxd4 19. Ne2 d3 20. Nc3 Rfe8 21. Kg2
b5 22. a3 a5 23. Qb1 Bf4 24. Rf2 Rad8 25. b4 Bxd2 26. Rxd2 Qxc3 27. Qb2 axb4
28. axb4 Qc6 29. Rc1 Qd6 30. Rcd1 Re3 31. Re1 Rde8 32. Rxe3 Rxe3 33. Qd4 Qe7
34. Rxd3 Rxd3 35. Qxd3 Qxb4 36. Nd4 h5 37. Kf3 hxg4+ 38. hxg4 Qd6 39. Qe3 b4
40. Ne2 Qd1 41. Kg3 Qe1+ 42. Kf3 b3 43. Qc3 Qf1+ 44. Ke3 Qh3+ 45. Kf4 Qh2+ 46.
Kf3 Qb8 47. Qb2 Qb7+ 48. Kg3 Qe4 49. Nc1 Qe3+ 50. Kg2 Qf4 51. Kh3 Qf3+ 52. Kh4
Qf4 53. Kh3 Qf3+ 54. Kh4 Qf4 55. Kh3 Qf3+ 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.11"]
[White "Gerdau, Niklas"]
[Black "Brinkmann, Fabian"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1804"]
[BlackElo "2187"]
[PlyCount "147"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Bg5 Be7 6. e3 a6 7. a4 h6 8. Bh4 b6
9. Bxc4 Bb7 10. O-O O-O 11. Qe2 Nbd7 12. Rfd1 Nd5 13. Bg3 Bd6 14. Bxd6 cxd6 15.
Nxd5 exd5 16. Bd3 Nf6 17. Rdc1 Qd7 18. Ne1 Rfc8 19. Rxc8+ Qxc8 20. Nc2 Ne8 21.
Qf1 Nc7 22. Rc1 Qd7 23. Nb4 Rc8 24. Qd1 b5 25. axb5 Nxb5 26. Ra1 Nc7 27. Ra5
Bc6 28. Nxa6 Nxa6 29. Bxa6 Rb8 30. Qd2 Qc7 31. b4 Qb6 32. b5 Bd7 33. h3 Qc7 34.
Ra1 Bxb5 35. Bxb5 Rxb5 36. Ra8+ Rb8 37. Qa5 Qxa5 38. Rxa5 Rb6 39. Rxd5 g6 40.
Ra5 h5 41. g4 hxg4 42. hxg4 Kf8 43. Ra7 Ke8 44. Kg2 Rb5 45. f4 Rb3 46. Kf3 Rb4
47. f5 gxf5 48. gxf5 Rb1 49. Ke4 Rf1 50. Rb7 Rf2 51. Rb8+ Ke7 52. Rh8 d5+ 53.
Kxd5 Rxf5+ 54. Ke4 Ra5 55. Rh6 Kd7 56. Rf6 Ke7 57. Rf5 Ra4 58. Re5+ Kf6 59. Re8
Ra5 60. d5 Ra4+ 61. Kd3 Kg7 62. Re4 Ra3+ 63. Kd4 Kf8 64. d6 Ra1 65. Kd5 Rd1+
66. Kc6 Rc1+ 67. Kd7 Rc3 68. Re8+ Kg7 69. Kd8 Rc6 70. d7 Rc3 71. Ke7 Rxe3+ 72.
Kd6 Rd3+ 73. Kc6 Rc3+ 74. Kb5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "2.12"]
[White "Kahlert, Thomas"]
[Black "Kort, Felix"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2160"]
[BlackElo "1826"]
[PlyCount "49"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 Be7 7. O-O O-O 8. Nc3
Ne4 9. Nxe4 Bxe4 10. Ne1 Bxg2 11. Nxg2 f5 12. Bd2 g5 13. Rad1 d6 14. Qc2 Qe8
15. e4 Qg6 16. exf5 exf5 17. Rde1 Bf6 18. Ne3 Bxd4 19. Nd5 Nc6 20. Qa4 f4 21.
Qxc6 Qd3 22. Bc3 fxg3 23. Ne7+ Kh8 24. Rd1 gxf2+ 25. Kg2 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.1"]
[White "Parvanyan, Ashot"]
[Black "Callsen, Niklas"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2429"]
[BlackElo "2099"]
[PlyCount "65"]
[EventDate "2023.04.07"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. Nc3 e5 8. d5
Nb8 9. e4 a5 10. Ne1 Na6 11. Nd3 Nd7 12. Be3 f5 13. exf5 gxf5 14. f4 Nb6 15.
Bxb6 cxb6 16. fxe5 dxe5 17. Rc1 Bd7 18. Qh5 Rc8 19. b3 Be8 20. Qe2 Qd6 21. g4
e4 22. Nf4 Nc5 23. gxf5 Rxf5 24. Nxe4 Nxe4 25. Qxe4 Re5 26. Qf3 Bd7 27. Bh3 Rf8
28. Bxd7 Qxd7 29. Qg2 Rf6 30. Kh1 Ref5 31. Ne6 Qf7 32. Rxf5 Rxf5 33. Rg1 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.2"]
[White "Parvanyan, Alfred"]
[Black "Woelk, Tom-Frederic"]
[Result "0-1"]
[ECO "E22"]
[WhiteElo "2125"]
[BlackElo "2292"]
[PlyCount "92"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. Nf3 Ne4 6. e3 Qa5 7. Bd2 Nxd2 8.
Nxd2 cxd4 9. exd4 e5 10. d5 Bxc3 11. bxc3 Na6 12. Be2 O-O 13. O-O d6 14. Rfc1
Nc5 15. Qb4 Qc7 16. Nb3 Na6 17. Qa5 {(=)} b6 18. Qb5 Qb7 19. a4 Bd7 20. Na5 Qc8
21. Nc6 Bxc6 22. dxc6 Nc5 23. Rd1 Qc7 24. Rdb1 Rab8 25. h3 g6 26. Rd1 a6 27.
Qb4 Qxc6 28. a5 bxa5 29. Qxa5 Nb3 30. Qa4 Qxa4 31. Rxa4 Nc5 32. Rb4 Ne4 33. Bf3
Nxc3 34. Rxb8 Rxb8 35. Rd3 Rb3 36. Kh2 Kf8 37. Rxd6 e4 38. Bd1 Ke7 39. Rd4 Rb2
40. Kg3 Rb1 41. Bc2 Ne2+ 42. Kh4 Nxd4 43. Bxb1 f5 44. Kg5 Ne6+ 45. Kh6 a5 46.
Kxh7 f4 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.3"]
[White "Zieher, Hartmut"]
[Black "Bracker, Arne"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2117"]
[BlackElo "2254"]
[PlyCount "120"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4
Rb8 9. d4 Bb6 10. axb5 axb5 11. Na3 Bg4 12. Nxb5 O-O 13. Bc2 exd4 14. Nbxd4
Nxd4 15. cxd4 Bxf3 16. gxf3 Nh5 17. Be3 Qh4 18. Kh1 c5 19. Rg1 Qh3 20. Bd3 cxd4
21. Bf1 Qe6 22. Bxd4 Bxd4 23. Qxd4 Qe5 24. Qe3 g6 25. Rb1 Rxb2 26. Rxb2 Qxb2
27. f4 Qf6 28. f5 Ra8 29. Qf3 Ra1 30. Be2 Rxg1+ 31. Kxg1 Qe5 32. fxg6 hxg6 33.
Bf1 Nf4 34. Kh1 Kg7 35. Kg1 Ne6 36. Qe3 Kf6 37. Qf3+ Nf4 38. Qe3 g5 39. Kh1 d5
40. exd5 Qxe3 41. fxe3 Nxd5 42. e4 Nc3 43. Bc4 Nxe4 44. Kg2 Nd6 45. Bb3 Kf5 46.
Kf3 g4+ 47. Kg3 Ne4+ 48. Kg2 f6 49. h3 gxh3+ 50. Kxh3 Ke5 51. Kg2 f5 52. Bc2
Kf4 53. Kf1 Ke3 54. Ke1 Kf3 55. Bb1 Ke3 56. Bc2 f4 57. Bxe4 Kxe4 58. Ke2 f3+
59. Kf2 Kf4 60. Kf1 Ke3 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.4"]
[White "Kull, Florian"]
[Black "Popvasilev, Kaloyan"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2112"]
[BlackElo "2223"]
[PlyCount "73"]
[EventDate "2023.04.07"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. O-O Bd7 5. c4 Qc8 6. d4 Bh3 7. Qa4+ c6 8. Nc3
Nh6 9. Bg5 Bxg2 10. Kxg2 Qd7 11. Rad1 O-O 12. e4 Qc7 13. Qc2 f6 14. Be3 Nd7 15.
h3 e5 16. c5 Nf7 17. cxd6 Nxd6 18. Nd5 Qb8 19. dxe5 Nxe5 20. Nf4 Nxf3 21. Bc5
Rd8 22. Kxf3 Nf7 23. Qc4 b6 24. Be7 Re8 25. Rd7 b5 26. Qb3 Qe5 27. Nd3 Qh5+ 28.
Kg2 g5 29. Nc5 g4 30. hxg4 Qxg4 31. Bxf6 Qg6 32. Bxg7 Kxg7 33. Rfd1 Re5 34.
R1d6 Qh5 35. Rxc6 Rae8 36. Rcc7 Rf8 37. Ne6+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.5"]
[White "Reddmann, Hauke"]
[Black "Rolf, Marco"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2196"]
[BlackElo "2094"]
[PlyCount "25"]
[EventDate "2023.04.07"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3 axb4 7. cxb4 b6 8. Bxb8
Rxb8 9. Qa4+ Ke7 10. c6 b5 11. Qa7+ Ke8 12. c7 Bxb4+ 13. Kd1 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.6"]
[White "Schell, Franz Jürgen"]
[Black "Kahlert, Thomas"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2068"]
[BlackElo "2160"]
[PlyCount "53"]
[EventDate "2023.04.07"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 f5 7. d3 Nf6 8. O-O
O-O 9. Rb1 Be6 10. Nd5 Qd7 11. Nec3 a6 12. b4 Rab8 13. Qa4 Kh8 14. Nxf6 Bxf6
15. Nd5 Kg7 16. Bd2 Qf7 17. f4 Ne7 18. Nxc7 d5 19. Nxe6+ Qxe6 20. cxd5 Nxd5 21.
Qb3 Rfd8 22. Rfc1 Qd6 23. fxe5 Bxe5 24. Rc5 Nf6 25. d4 Nd7 26. Rd5 Qe7 27. dxe5
1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.7"]
[White "Franke, Lutz"]
[Black "Gerdau, Niklas"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2151"]
[BlackElo "1804"]
[PlyCount "139"]
[EventDate "2023.04.07"]

1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 g6 5. d4 Bg7 6. h3 O-O 7. Bd2 Bf5 8. cxd5
cxd5 9. Qb3 b6 10. Ne5 Bc8 11. Rc1 Bb7 12. Nb5 Na6 13. Bd3 Ne4 14. Nc6 Bxc6 15.
Rxc6 Qd7 16. Rc2 Rfc8 17. Bxe4 dxe4 18. Nc3 e5 19. Nxe4 exd4 20. Rxc8+ Rxc8 21.
O-O d3 22. Bc3 Nc5 23. Nxc5 Rxc5 24. Bxg7 Kxg7 25. Rd1 d2 26. Kf1 a5 27. Ke2 a4
28. Qd3 Rd5 29. Qc3+ Kg8 30. Rxd2 Rxd2+ 31. Qxd2 Qb5+ 32. Ke1 Qg5 33. g3 h5 34.
Qd4 b5 35. Kf1 Qf5 36. Kg2 Qe6 37. a3 Qc6+ 38. e4 Qc2 39. h4 Qe2 40. e5 Kh7 41.
Qd5 Kg8 42. Qd8+ Kg7 43. Qf6+ Kg8 44. Qd8+ Kg7 45. Qd4 Kg8 46. Qc3 Kh7 47. Qf3
Qxe5 48. Qxf7+ Kh6 49. Qf4+ Qxf4 50. gxf4 Kg7 51. Kf3 Kf6 52. Ke4 Ke6 53. f5+
gxf5+ 54. Kf4 Kd5 55. Kxf5 Kc4 56. f4 Kb3 57. Kg6 Kxb2 58. f5 Kxa3 59. f6 b4
60. f7 b3 61. f8=Q+ Ka2 62. Kxh5 b2 63. Qf7+ Ka3 64. Qf3+ Ka2 65. Qd5+ Ka3 66.
Qd3+ Ka2 67. Qc4+ Ka3 68. Qc5+ Ka2 69. Qd5+ Ka3 70. Qe4 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.8"]
[White "Kotyk, Michael"]
[Black "Hovhannisyan, Artur"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2012"]
[BlackElo "2198"]
[PlyCount "201"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. h3
Nf8 9. Qc2 Ne6 10. Bh4 g6 11. Nf3 O-O 12. O-O Ng7 13. Bxf6 Bxf6 14. b4 a6 15.
a4 a5 16. b5 Bd7 17. bxc6 bxc6 18. Ne2 Ne6 19. Rab1 Ng5 20. Nxg5 Bxg5 21. Nc1
Be7 22. Nb3 Ra7 23. Nc5 Bc8 24. Qb2 Bd6 25. Qb6 Rc7 26. f4 Re8 27. Rf3 Qf6 28.
Re1 g5 29. fxg5 Qxg5 30. Qxa5 Rce7 31. Qd2 Kh8 32. Ref1 Rxe3 33. Rxe3 Rxe3 34.
Qf2 Bxh3 35. Qf6+ Qxf6 36. Rxf6 Bxc5 37. dxc5 Rxd3 38. gxh3 Ra3 39. Rxc6 Rxa4
40. Rd6 d4 41. c6 Rc4 42. Kf2 Rc3 43. Rxd4 Rxc6 44. Kg3 Kg7 45. Ra4 Kg6 46.
Rg4+ Kf6 47. Rb4 Kg7 48. Ra4 h6 49. Rb4 Kf6 50. Rf4+ Ke6 51. Re4+ Kf6 52. Rf4+
Kg7 53. Ra4 Re6 54. Kg4 Kg6 55. Ra8 Re4+ 56. Kf3 Rb4 57. Ra6+ f6 58. Ra8 h5 59.
Rg8+ Kf5 60. Rh8 Rb3+ 61. Kg2 Kg5 62. Ra8 f5 63. Ra2 Re3 64. Ra4 h4 65. Rb4
Re2+ 66. Kg1 Re4 67. Rb5 Kf4 68. Kf2 Rc4 69. Rb2 Rd4 70. Ra2 Rd3 71. Ra4+ Kg5
72. Kg2 Rd2+ 73. Kg1 Re2 74. Rb4 Re4 75. Rb5 Rc4 76. Kf2 Kf4 77. Rb2 Rc3 78.
Rb4+ Kg5 79. Kg2 Rc2+ 80. Kg1 Rc5 81. Kg2 f4 82. Rb8 Kf5 83. Rf8+ Ke4 84. Re8+
Re5 85. Ra8 Re6 86. Kf2 Rd6 87. Rc8 Kf5 88. Rf8+ Rf6 89. Ra8 Re6 90. Ra5+ Re5
91. Ra8 Rd5 92. Rf8+ Ke4 93. Re8+ Re5 94. Ra8 Re7 95. Ra4+ Kf5 96. Ra5+ Re5 97.
Ra8 Re3 98. Rf8+ Kg5 99. Rg8+ Kf5 100. Rf8+ Ke4 101. Re8+ 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.9"]
[White "Bracker, Frank"]
[Black "Atri, Jamshid"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2314"]
[BlackElo "1983"]
[PlyCount "75"]
[EventDate "2023.04.07"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. cxd5
exd5 9. d4 Bg4 10. dxc5 Bxc5 11. Nc3 Re8 12. Rc1 Bf8 13. h3 Be6 14. Ng5 Rc8 15.
Nxe6 fxe6 16. e3 a6 17. Qd3 Qd6 18. Rfd1 Red8 19. Ne2 e5 20. Qb1 Qe6 21. g4 g6
22. Ng3 e4 23. Ne2 g5 24. Qa1 Nd7 25. Nd4 Nxd4 26. Bxd4 Bd6 27. Qb2 Be5 28. Qd2
Rxc1 29. Rxc1 Rf8 {(=)} 30. Rc2 Bb8 31. Bb2 Be5 32. Ba3 Re8 33. Qb4 b6 34. Qd2
a5 35. Qe2 Bb8 36. Qb5 Ne5 37. Rd2 Nd3 38. Rxd3 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.10"]
[White "Spiric, Igor"]
[Black "Porth, Hartmut"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2259"]
[BlackElo "1961"]
[PlyCount "123"]
[EventDate "2023.04.07"]

1. Nf3 Nc6 2. e4 d6 3. h3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Be3 O-O 7. Be2 a6 8. d5
Nb8 9. a4 b6 10. Nd4 Bb7 11. O-O c6 12. dxc6 Nxc6 13. Nxc6 Bxc6 14. e5 dxe5 15.
Qxd8 Rfxd8 16. Bxb6 Rdb8 17. a5 Nd7 18. Na4 Bxa4 19. Rxa4 Nxb6 20. axb6 Rxb6
21. b4 Rab8 22. Rb1 e4 23. Bxa6 Bc3 24. b5 e5 25. Rc4 Bd4 26. c3 Bxc3 27. Rxc3
Rxa6 28. Rc8+ Rxc8 29. bxa6 Ra8 30. Rb6 Kg7 31. g4 f5 32. g5 Kg8 33. h4 f4 34.
Kf1 Kf8 35. Ke2 Kg8 36. Kd2 Kf8 37. Kc3 Kg8 38. Kc4 e3 39. fxe3 f3 40. Kd3 Rd8+
41. Ke4 f2 42. Rf6 Ra8 43. Rxf2 Rxa6 44. Kxe5 Ra5+ 45. Kf4 Rf5+ 46. Kg3 Re5 47.
Kf3 h6 48. Rg2 Kf7 49. e4 hxg5 50. hxg5 Ra5 51. Kf4 Ra1 52. Rb2 Ra7 53. Rb6 Re7
54. Rf6+ Kg7 55. Rd6 Kf7 56. e5 Ra7 57. e6+ Ke7 58. Ke5 Ra5+ 59. Rd5 Ra6 60.
Rd7+ Ke8 61. Kf6 Rb6 62. Rh7 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.11"]
[White "Schmitzer, Klaus"]
[Black "Neuendorf, Max"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2238"]
[BlackElo "2000"]
[PlyCount "72"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bd3 Be7 7. O-O Be6 8. a4
Nf6 9. N1c3 a6 10. Na3 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. Qg4 Bf6 14. Bc4 Bxc4
15. Nxc4 O-O 16. Be3 Nd4 17. c3 Nc2 18. Rad1 Nxe3 19. fxe3 Qc8 20. Qe4 Qe6 21.
Rd6 Qe7 22. Rb6 Rab8 23. Rd1 Rfd8 24. Rd5 Rxd5 25. Qxd5 h6 26. h3 Rd8 27. Qxb7
Qe8 28. Qc6 Rd1+ 29. Kh2 Qd8 30. Qe4 g6 31. Rxa6 Kh7 32. Ra7 Kg7 33. a5 Rf1 34.
Nxe5 Qd6 35. Qxg6+ Kh8 36. Ra8+ Bd8 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "3.12"]
[White "Klaas, Heiko"]
[Black "Keyser, Robin"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1965"]
[BlackElo "2144"]
[PlyCount "80"]
[EventDate "2023.04.07"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 O-O 6. O-O Nxe4 7. Nxe4 d5 8.
Bd3 dxe4 9. Bxe4 Nd7 10. c3 c5 11. Be3 Nf6 12. Bc2 cxd4 13. Bxd4 b6 14. Re1 Bb7
15. Qe2 e6 16. Rad1 Qe7 17. Be5 Rfd8 18. Bb3 Qc5 19. Bxe6 Re8 20. Bh3 Nh5 21.
b4 Qe7 22. Rd7 Bxf3 23. Qxf3 Qf8 24. g4 Bxe5 25. gxh5 Bxh2+ 26. Kf1 Rxe1+ 27.
Kxe1 a5 28. hxg6 hxg6 29. Kf1 Rd8 30. Rb7 axb4 31. Be6 fxe6 32. Qh3 Qf6 33.
Qxh2 bxc3 34. Qc7 Rd1+ 35. Kg2 Qg5+ 36. Kf3 Rd3+ 37. Ke2 Qd2+ 38. Kf1 Qd1+ 39.
Kg2 Qg4+ 40. Kf1 Rd1# 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.1"]
[White "Reddmann, Hauke"]
[Black "Parvanyan, Ashot"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2196"]
[BlackElo "2429"]
[PlyCount "38"]
[EventDate "2023.04.07"]

1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nc3 c5 7. d5 e6 8. Nge2
exd5 9. cxd5 Re8 10. a4 Na6 11. O-O Nb4 12. h3 b6 13. Be3 Ba6 14. Qd2 Bd3 15.
f3 Nd7 16. Rf2 Ne5 17. b3 Bxe2 18. Rxe2 Nxf3+ 19. Bxf3 Qf6 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.2"]
[White "Woelk, Tom-Frederic"]
[Black "Kull, Florian"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2292"]
[BlackElo "2112"]
[PlyCount "25"]
[EventDate "2023.04.07"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Be3 Nc6 7. Nf3 Qe7
8. c3 Bg7 9. Qc2 b6 10. Bb5 Bb7 11. d5 exd5 12. Nd4 O-O-O 13. Bxc6 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.3"]
[White "Bracker, Frank"]
[Black "Schell, Franz Jürgen"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2314"]
[BlackElo "2068"]
[PlyCount "75"]
[EventDate "2023.04.07"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 a6 7. d4 cxd4 8. Qxd4
d6 9. Bg5 Be7 10. Rfd1 Nbd7 11. Qd2 h6 12. Bf4 e5 13. Be3 Rc8 14. Nxe5 Bxg2 15.
Nxd7 Qxd7 16. Kxg2 Rxc4 17. Bd4 O-O 18. Bxf6 Qc6+ 19. Qd5 Bxf6 20. Qxc6 Rxc6
21. Nd5 Re8 22. Rd2 Re4 23. Rad1 Bd8 {(=)} 24. b3 a5 25. f3 Re5 26. f4 Re4 27.
Kf3 Re8 28. Ne3 Bc7 29. Nf5 Rc3+ 30. Rd3 Rc2 31. R1d2 Rxd2 32. Rxd2 Re6 33. Rc2
Bd8 34. Rc8 Re8 35. Nxd6 Rf8 36. Ke4 Be7 37. Rxf8+ Bxf8 38. Kd5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.4"]
[White "Keyser, Robin"]
[Black "Spiric, Igor"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2144"]
[BlackElo "2259"]
[PlyCount "50"]
[EventDate "2023.04.07"]

1. d4 b6 2. Nf3 e6 3. c4 Bb7 4. g3 Nf6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 d6 8.
Nc3 Nbd7 9. O-O Ne4 10. Nxe4 Bxe4 11. Qf4 Nf6 12. Rfe1 Qe7 13. Rac1 Rd8 14. c5
O-O 15. cxd6 cxd6 16. Nd2 e5 17. dxe5 dxe5 18. Qh4 Bxg2 19. Kxg2 Rd4 20. Qg5
Qd7 21. Rc2 Qd5+ 22. f3 h6 23. Qf5 Ng4 24. e4 Ne3+ 25. Kh3 Qd8 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.5"]
[White "Bracker, Arne"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2254"]
[BlackElo "2012"]
[PlyCount "104"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. O-O Nf6 6. d3 b5 7. Bb3 O-O 8. Nc3
d6 9. a3 Na5 10. Ba2 Be6 11. b4 Nb7 12. Nd5 Nxd5 13. Bxd5 Bxd5 14. exd5 Qd7 15.
c4 c5 16. dxc6 Qxc6 17. Be3 bxc4 18. Rc1 c3 19. Qb3 Rac8 20. Rc2 Bf6 21. Rfc1
e4 22. dxe4 Qxe4 23. Bg5 Be5 {(=)} 24. Nxe5 Qxe5 25. Be3 d5 26. Rxc3 Rcd8 27.
g3 d4 28. Bf4 Qe4 29. Rd3 Nd6 30. f3 Qe2 31. Rd2 Qe7 32. Rxd4 Nb5 33. Rxd8 Rxd8
34. Be3 Re8 35. Bf2 Qg5 36. Rc2 Qe5 37. Kg2 h5 38. a4 Nd4 39. Bxd4 Qxd4 40. Qc4
Qd1 41. a5 Re6 42. Rf2 Qd7 43. Re2 Rf6 44. Qe4 Qd1 45. Qc2 Qd7 46. Rd2 Qe8 47.
Qd1 Qc6 48. Rd8+ Kh7 49. Qd5 Qc2+ 50. Kh3 Qf2 51. f4 Qf1+ 52. Kh4 Rxf4+ 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.6"]
[White "Gerdau, Niklas"]
[Black "Schmitzer, Klaus"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1804"]
[BlackElo "2238"]
[PlyCount "67"]
[EventDate "2023.04.07"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 f5 5. exf5 Bxg2 6. Qh5+ g6 7. fxg6 Bg7 8.
gxh7+ Kf8 9. Ne2 Nf6 10. Qh4 Bxh1 11. Bg5 Nc6 12. Nf4 Nb4 13. Bg6 Ke7 14. Nh5
Qf8 15. Nd2 d6 16. f3 Kd7 17. Nxf6+ Kc8 18. O-O-O c5 19. d5 exd5 20. a3 Kb7 21.
axb4 cxb4 22. Rxh1 Rd8 23. Re1 dxc4 24. Qe4+ Kb8 25. Qe6 c3 26. Nd7+ Rxd7 27.
Qxd7 cxd2+ 28. Kxd2 Qxf3 29. Re8+ Rxe8 30. Qxe8+ Kc7 31. Qd8+ Kb7 32. Qd7+ Kb8
33. Qe8+ Kc7 34. Bd8+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.7"]
[White "Avdic, Faris"]
[Black "Franke, Lutz"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2052"]
[BlackElo "2151"]
[PlyCount "17"]
[EventDate "2023.04.07"]

1. d4 e6 2. Nf3 f5 3. Nc3 Nf6 4. Bg5 d5 5. e3 h6 6. Bf4 Ne4 7. Nxe4 fxe4 8. Ne5
h5 9. Be2 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.8"]
[White "Plenca, Julijan"]
[Black "Zieher, Hartmut"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2416"]
[BlackElo "2117"]
[PlyCount "114"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8.
Bxc6 bxc6 9. O-O Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Bb6 13. Nd2 Nxd2 14. Qxd2 c5
15. Nf3 d4 16. Bf2 Bc6 17. Bh4 Qd5 18. f5 Kd7 19. Qg5 Kc8 20. b3 c4 21. Kh1 Kb7
22. Rad1 Rae8 23. Qg4 f6 24. e6 g5 25. fxg6 f5 26. bxc4 Qxc4 27. Qf4 hxg6 28.
e7 Qxc2 29. Bf6 Rhg8 30. Rc1 Qe4 31. Qd2 d3 32. Rce1 Qd5 33. Ne5 Ba5 34. Qb2+
Ka8 35. Rd1 d2 36. Nxc6 Qxc6 37. Qe5 Bb4 38. a3 Bd6 39. Qe6 Rh8 40. Bxh8 Rxh8
41. e8=Q+ Rxe8 42. Qb3 Re2 43. Qh3 Bxa3 44. Ra1 Bb4 45. Rg1 Re1 46. Qh8+ Kb7
47. Qd4 a5 48. Qd3 Qb6 49. Rf1 Qc5 50. Rb1 Ka7 51. h3 Qf2 52. Kh2 Qxf1 53. Qxf1
Rxf1 54. Rxf1 a4 55. Kg3 a3 56. Ra1 Kb6 57. Kf3 Bc3 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.9"]
[White "Popvasilev, Kaloyan"]
[Black "Kort, Felix"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2223"]
[BlackElo "1826"]
[PlyCount "101"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Bc4 Bc5 6. d3 d6 7. h3 c6 8. a3 h6
9. Nxd4 Bxd4 10. Ne2 Bb6 11. Ng3 O-O 12. Qf3 d5 13. Bb3 Be6 14. O-O Kh7 15. Re1
Ba5 16. Rd1 Qe7 17. Nf5 Bxf5 18. Qxf5+ g6 19. Qf3 d4 20. Rf1 b5 21. a4 a6 22.
Qe2 Bc7 23. f4 c5 24. fxe5 Bxe5 25. Bf4 Nd7 26. Bd5 Rab8 27. axb5 Rxb5 28. Rxa6
Rxb2 29. Ra7 Bxf4 30. Rxf4 Rb1+ 31. Kh2 Rb6 32. Qf3 Kg7 33. Rxf7+ Rxf7 34.
Qxf7+ Qxf7 35. Bxf7 Ne5 36. Bd5+ Kf6 37. Rc7 Rb5 38. Kg3 g5 39. h4 gxh4+ 40.
Kxh4 Ng6+ 41. Kh5 Nf4+ 42. Kxh6 Nxd5 43. exd5 Ke5 44. g4 Kxd5 45. g5 Rb2 46. g6
Rxc2 47. g7 Rg2 48. Rc8 Ke5 49. g8=Q Rxg8 50. Rxg8 Kf4 51. Re8 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.10"]
[White "Hovhannisyan, Artur"]
[Black "Fabig, Holger"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2198"]
[BlackElo "1990"]
[PlyCount "67"]
[EventDate "2023.04.07"]

1. e4 e6 2. d4 b6 3. c4 Bb7 4. Nc3 Bb4 5. f3 Qe7 6. Bd3 e5 7. d5 Bxc3+ 8. bxc3
d6 9. Ne2 Nd7 10. O-O Ngf6 11. Ng3 O-O-O 12. Be3 Rdg8 13. Qc2 h5 14. Nf5 Qf8
15. h4 Nh7 16. Qd2 Qd8 17. f4 Rf8 18. Nxg7 Qxh4 19. Nf5 Qd8 20. c5 dxc5 21. a4
a5 22. Rad1 Nhf6 23. fxe5 Nxe5 24. Bg5 Rhg8 25. Ng7 Neg4 26. Nxh5 Qd6 27. Bf4
Qe7 28. Ng3 Kb8 29. Nf5 Qd8 30. d6 cxd6 31. Nxd6 Ka7 32. Qe2 Nh5 33. Nxb7 Kxb7
34. Ba6+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.11"]
[White "Kahlert, Thomas"]
[Black "Mandelkow, Elias"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2160"]
[BlackElo "1811"]
[PlyCount "45"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. cxd5 cxd5 8. Nc3
Nc6 9. Ne5 Bf5 10. Bg5 Nd7 11. Nxd5 Ndxe5 12. dxe5 Bxe5 13. Rc1 Re8 14. Qd2 Qd7
15. Rfd1 Rad8 16. e4 Bg4 17. f3 Be6 18. Qf2 Kg7 19. Be3 Qc8 20. f4 Bb8 21. b4
Qd7 22. b5 Nb4 23. Qb2+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.08"]
[Round "4.12"]
[White "Lu, Yunong Elias"]
[Black "Parvanyan, Alfred"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1835"]
[BlackElo "2125"]
[PlyCount "74"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. O-O Bg7 6. c3 e5 7. h3 Ne7 8. Na3
O-O 9. d3 Qc7 10. Nc2 Rd8 11. Qe2 b6 12. Rd1 a5 13. d4 cxd4 14. cxd4 Ba6 15.
Qe1 exd4 16. Ncxd4 c5 17. Ne2 Rxd1 18. Qxd1 Rd8 19. Qe1 Nc6 20. Bf4 Qe7 21. Nc3
Nb4 22. Nd5 Nxd5 23. exd5 Qd7 24. d6 Re8 25. Qd1 a4 26. Qd5 Bb7 27. Qd2 a3 28.
Re1 Rxe1+ 29. Qxe1 Bxf3 30. gxf3 axb2 31. Qd1 Bd4 32. Qe1 Qe6 33. Be3 Qxd6 34.
Bxd4 Qxd4 35. Kg2 c4 36. a4 c3 37. Qb1 Qb4 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.1"]
[White "Parvanyan, Ashot"]
[Black "Woelk, Tom-Frederic"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2429"]
[BlackElo "2292"]
[PlyCount "89"]
[EventDate "2023.04.07"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3
h6 9. Na3 Bc5 10. Re1 Nd7 11. Nd2 O-O 12. Ne4 Bb4 13. Re2 f5 14. Nd2 e5 15. Nc2
Bd6 16. Re1 Qf6 17. Rb1 a5 18. Qe2 Nc5 19. Nb3 Nd7 20. Qh5 a4 21. Nbxd4 Nxd4
22. Nxd4 Nc5 23. Nb5 Nxd3 24. Rd1 e4 25. Nxd6 Qxd6 26. Be3 Be6 27. b3 axb3 28.
Rxb3 Rf7 29. Rb6 Qe5 30. Rdb1 Bxc4 31. h4 Rxa2 32. Rxb7 Nxf2 33. Rb8+ Kh7 34.
R1b6 Qa1+ 35. Rb1 Ng4 36. Bxe4 Qe5 37. Qxg4 Qxe4 38. Qxe4 fxe4 39. Bf4 Kg6 40.
R1b7 Ra7 41. Rxf7 Rxf7 42. Rc8 Be6 43. Rc7 Bd7 44. Kf2 Kf5 45. Ke3 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.2"]
[White "Kotyk, Michael"]
[Black "Bracker, Frank"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2012"]
[BlackElo "2314"]
[PlyCount "138"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. Bd3 e5 7. d5 a5 8. Nge2 c6
9. h3 Na6 10. O-O Nc5 11. a3 Bxc3 12. Nxc3 cxd5 13. Nxd5 Nxd5 14. exd5 Nxd3 15.
Qxd3 Bd7 16. Be3 a4 17. f4 e4 18. Qxe4 Re8 19. Qd3 Rc8 20. f5 Qe7 21. Bd4 f6
22. Rac1 {(=)} Qe4 23. Qxe4 Rxe4 24. Rfd1 Bxf5 25. c5 dxc5 26. Rxc5 Rxc5 27.
Bxc5 Re2 28. Rd4 Bd7 29. Rb4 Re5 30. Rxb7 Rxd5 31. Bb4 Kf7 32. Bc3 Ke6 33. h4
Kf5 34. b3 Rd3 35. bxa4 Bc6 36. Rb3 Bxa4 37. Rb4 Bc6 38. Rc4 Bd5 39. Rd4 Rxc3
40. Rxd5+ Kg4 41. Kh2 Kxh4 42. Rd7 g5 43. Rxh7+ Kg4 44. Rh3 Rc2 45. Rg3+ Kh5
46. Rh3+ Kg6 47. Rb3 f5 48. Kg1 Kh5 49. Rf3 Kg4 50. Rd3 f4 51. Rb3 Ra2 52. Rc3
Kh4 53. Rh3+ Kg4 54. Rc3 Re2 55. Kf1 Rd2 56. Kg1 Rb2 57. Kf1 Rd2 58. Rb3 Ra2
59. Rc3 Kh5 60. g3 Kg4 61. gxf4 gxf4 62. a4 Rxa4 63. Rb3 Ra2 64. Rc3 Ra4 65.
Kf2 Rd4 66. Ra3 Rb4 67. Rc3 f3 68. Rc8 Rb2+ 69. Kf1 Kg3 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.3"]
[White "Spiric, Igor"]
[Black "Avdic, Faris"]
[Result "1/2-1/2"]
[ECO "E33"]
[WhiteElo "2259"]
[BlackElo "2052"]
[PlyCount "36"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 Bb4 5. Qc2 d6 6. a3 Bxc3+ 7. Qxc3 Qe7 8.
Bg5 e5 9. d5 Nb8 10. Bxf6 Qxf6 11. c5 Nd7 12. cxd6 cxd6 13. e3 O-O 14. Be2 Qg6
15. Nh4 Qg5 16. Nf3 Qg6 17. Nh4 Qg5 18. Nf3 Qg6 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.4"]
[White "Zieher, Hartmut"]
[Black "Gerdau, Niklas"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2117"]
[BlackElo "1804"]
[PlyCount "37"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 b5 8.
O-O-O Bb7 9. f3 Nf6 10. g4 Na5 11. g5 Nh5 12. Kb1 Bb4 13. Ncxb5 Qc5 14. c3 Nc4
15. Bxc4 axb5 16. Bxb5 Bd5 17. exd5 Qxd5 18. a4 Bc5 19. Nc2 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.5"]
[White "Günther, Patrick"]
[Black "Popvasilev, Kaloyan"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2055"]
[BlackElo "2223"]
[PlyCount "49"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 a5 6. Qc2 O-O 7. Nf3 c5 8. cxd5
cxd4 9. Nxd4 exd5 10. O-O Qb6 11. e3 Nc6 12. Nxc6 bxc6 13. Nc3 Be6 14. Rfd1
Rfc8 15. Rac1 Nd7 16. h3 Bd6 17. Na4 Qc7 18. Bc3 f5 19. Qd2 Qb7 20. b3 Nb6 21.
Nxb6 Qxb6 22. Bd4 Qb4 23. Bc3 Qb6 24. Bd4 Qb4 25. Bc3 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.6"]
[White "Kull, Florian"]
[Black "Reddmann, Hauke"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2112"]
[BlackElo "2196"]
[PlyCount "54"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 Nc6 6. Bg2 Bc5 7. Nb3 Be7 8.
O-O d6 9. Nc3 O-O 10. Bf4 a6 11. Qd2 e5 12. Bg5 Be6 13. Bxf6 Bxf6 14. Nd5 Bg5
15. e3 f5 16. f4 Be7 17. Rfd1 e4 18. Bh3 Rf7 19. Rac1 Bf8 20. c5 dxc5 21. Nxc5
Bxc5 22. Rxc5 Qf8 23. b4 Rd8 24. Bf1 Rfd7 25. Bc4 Qf7 26. a3 Kf8 27. Qa2 Ne7
0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.7"]
[White "Schell, Franz Jürgen"]
[Black "Hovhannisyan, Artur"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2068"]
[BlackElo "2198"]
[PlyCount "82"]
[EventDate "2023.04.07"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Ne7 5. e3 c6 6. d4 d6 7. Nf3 Qc7 8. O-O O-O
9. b3 f5 10. dxe5 dxe5 11. Ba3 Rd8 12. Qc2 e4 13. Nd4 a5 14. Rad1 Re8 15. Rd2
Na6 16. Rfd1 Nb4 17. Qb1 Kh8 18. Bf1 g5 19. Bb2 Ng6 20. a3 Nd3 21. Rxd3 exd3
22. Bxd3 Ne7 23. Qc2 Bd7 24. Qe2 g4 25. h3 Rad8 26. hxg4 fxg4 27. Ne4 Nf5 28.
Nxf5 Bxf5 29. Nf6 Bxd3 30. Rxd3 Rf8 31. Rxd8 Qxd8 32. Nxg4 Qe7 33. e4 Bxb2 34.
Qxb2+ Qg7 35. Qxg7+ Kxg7 36. Kf1 h5 37. Ne3 Re8 38. f3 Kf6 39. Ke2 Ke5 40. Nf5
b5 41. c5 Rg8 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.8"]
[White "Hopson, Kevin Mike"]
[Black "Kahlert, Thomas"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1968"]
[BlackElo "2160"]
[PlyCount "79"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
h4 f6 9. c4 Ba6 10. Rh3 fxe5 11. Bg5 Nf6 12. Re3 Qb4+ 13. Nd2 O-O-O 14. a3 Qb6
15. b4 c5 16. Rb3 Qe6 17. bxc5 Bxc5 18. Rab1 d6 19. Ne4 Bb6 20. Qf3 Bb7 21.
Bxf6 Rdf8 22. c5 Rxf6 23. Qd3 Rf4 24. Ng5 Qf6 25. cxb6 axb6 26. f3 Rf8 27. g3
Rd4 28. Qe2 Qg6 29. Bh3+ Kb8 30. Bg4 h6 31. Ne6 Re8 32. Nxc7 Kxc7 33. Rxb6 Bc8
34. Rc6+ Kd8 35. Rxc8+ Ke7 36. Rb7+ Kf8 37. Rxe8+ Kxe8 38. Qb5+ Kf8 39. Rb8+
Ke7 40. Qd7+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.9"]
[White "Parvanyan, Alfred"]
[Black "Nahnsen, Kenneth"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2125"]
[BlackElo "2021"]
[PlyCount "55"]
[EventDate "2023.04.07"]

1. g3 d5 2. Bg2 e6 3. Nf3 Nf6 4. O-O Be7 5. c4 O-O 6. cxd5 exd5 7. d4 c6 8. Nc3
Bf5 9. Nh4 Be6 10. f4 Ne4 11. Bxe4 dxe4 12. f5 Bd5 13. Ng2 Nd7 14. Ne3 Nb6 15.
Qc2 Bf6 16. Qd1 Rc8 17. Ng4 Bg5 18. f6 gxf6 19. Bxg5 fxg5 20. Nf6+ Kg7 21. e3
Nd7 22. Qh5 Nxf6 23. Qxg5+ Kh8 24. Rxf6 Rg8 25. Qe5 Rg7 26. Raf1 Qc7 27. Rd6
Rd8 28. Rxd5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.10"]
[White "Dorendorf, Mika"]
[Black "Callsen, Niklas"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "1717"]
[BlackElo "2099"]
[PlyCount "59"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. h3 c5 7. d5 e6 8. Be3 a6
9. Nf3 b5 10. cxb5 exd5 11. exd5 axb5 12. Bxb5 Ne4 13. Nxe4 Qa5+ 14. Qd2 Qxb5
15. Nxd6 Qxb2 16. Rc1 Rxa2 17. O-O Ba6 18. Rfd1 Qb3 19. Qe1 Nd7 20. Rd2 Bb2 21.
Rxb2 Qxb2 22. Bh6 Rb8 23. Nxf7 Qe2 24. N3e5 Nxe5 25. Nxe5 Re8 26. Qxe2 {(=)}
Rxe2 27. f4 c4 28. d6 Rd2 29. d7 Rxe5 30. fxe5 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.11"]
[White "Bracker, Arne"]
[Black "Knaak, Michael"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2254"]
[BlackElo "1840"]
[PlyCount "35"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 5. Nxe5 d5 6. Nxc6 bxc6 7. O-O Bd6 8.
Nd2 Nxd2 9. Bxd2 O-O 10. Qh5 f5 11. Rae1 g6 12. Qh6 Rf7 13. Bg5 Qf8 14. Qh4 h5
15. Bf4 Be7 16. Qg3 h4 17. Qxg6+ Rg7 18. Qh5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "5.12"]
[White "Schmitzer, Klaus"]
[Black "Atri, Jamshid"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2238"]
[BlackElo "1983"]
[PlyCount "57"]
[EventDate "2023.04.07"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. f3 O-O 6. Be3 c6 7. Qd2 b5 8. g4
Qa5 9. Ng3 Re8 10. h4 b4 11. Nce2 c5 12. d5 Nfd7 13. Nf5 Bf8 14. h5 Nb6 15.
Neg3 Ba6 16. b3 Bxf1 17. Kxf1 N8d7 18. g5 c4 19. g6 cxb3 20. cxb3 Nc5 21. Rd1
Qb5+ 22. Kg1 fxg6 23. hxg6 hxg6 24. Qh2 gxf5 25. Qh7+ Kf7 26. Qxf5+ Kg8 27. Rd2
Nbd7 28. Rdh2 Nf6 29. Qg6 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.1"]
[White "Woelk, Tom-Frederic"]
[Black "Zieher, Hartmut"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2292"]
[BlackElo "2117"]
[PlyCount "41"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3
Ne4 9. Bxe7 Qxe7 10. Qc2 Nf6 11. Nf3 O-O 12. O-O-O b6 13. Rhg1 c5 14. Ne5 Nbd7
15. f4 Bb7 16. g4 g5 17. h4 cxd4 18. exd4 Rac8 19. hxg5 hxg5 20. Rh1 gxf4 21.
Qh2 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.2"]
[White "Spiric, Igor"]
[Black "Parvanyan, Ashot"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2259"]
[BlackElo "2429"]
[PlyCount "75"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 O-O 6. d5 e6 7. e4 exd5 8. exd5
d6 9. h3 Re8+ 10. Be2 Bf5 11. O-O Ne4 12. Nxe4 Bxe4 13. Nd2 Bf5 14. g4 Bc2 15.
Qxc2 Rxe2 16. Qd3 Qe7 17. Nf3 Nd7 18. Rb1 Qe4 19. Qxe4 Rxe4 20. b3 a6 21. Re1
Rxe1+ 22. Nxe1 b5 23. Bf4 Ne5 24. Bxe5 Bxe5 25. Nf3 Bf6 26. a4 Rb8 27. axb5
axb5 28. cxb5 Rxb5 29. Nd2 Bg5 30. Nc4 Bf4 31. Kg2 g5 32. Kf3 Kg7 33. h4 h6 34.
h5 Rb8 35. Ke4 Re8+ 36. Kd3 f5 37. f3 Kf6 38. Ra1 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.3"]
[White "Bracker, Frank"]
[Black "Hopson, Kevin Mike"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2314"]
[BlackElo "1968"]
[PlyCount "63"]
[EventDate "2023.04.07"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5
9. Nc3 Nc6 10. cxd5 Nxd5 11. d4 Nxc3 12. Bxc3 Ba6 13. Re1 Rc8 14. Rc1 cxd4 15.
Nxd4 Nxd4 16. Bxd4 Bf6 17. Rxc8 Bxc8 18. Bxf6 Qxf6 19. Qc2 Rd8 20. Rc1 g6 21.
b4 Qe7 22. b5 Bb7 23. Bc6 Bxc6 24. bxc6 Qd6 25. a4 Rc8 26. Qc4 Rc7 27. e4 e5
28. Qd5 Qf6 29. Qd7 Qg5 30. Qxc7 Qxc1+ 31. Kg2 Qc4 32. Qb8+ 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.4"]
[White "Reddmann, Hauke"]
[Black "Kotyk, Michael"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2196"]
[BlackElo "2012"]
[PlyCount "68"]
[EventDate "2023.04.07"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 Bd6 5. Nf3 Bxf4 6. exf4 O-O 7. Bd3 b6 8. Qe2
c5 9. O-O a5 10. Ne5 Ba6 11. Rd1 Ne4 12. Na3 Nd6 13. Qg4 Bxd3 14. Rxd3 Qf6 15.
Nc2 c4 16. Rg3 Ra7 17. Ne3 b5 18. a3 Rb7 19. Rh3 g6 20. Rh6 Qg7 21. Qh3 Nd7 22.
Nxd7 Rxd7 23. Nxd5 f5 24. Ne3 Nf7 25. Rh4 g5 26. Rh5 gxf4 27. Nxf5 exf5 28.
Qxf5 Rd6 29. Qxf4 Rg6 30. g3 Ng5 31. Qe3 Qf6 32. f4 Nf7 33. Rf1 Nd6 34. Qe5 Qf7
1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.5"]
[White "Avdic, Faris"]
[Black "Parvanyan, Alfred"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2052"]
[BlackElo "2125"]
[PlyCount "56"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8.
Qd2 b6 9. Nf3 Bb7 10. Bd3 Nd7 11. O-O-O Nf6 12. Qe2 Qc8 13. Ne5 c5 14. d5 e6
15. d6 Rd8 16. Nf3 c4 17. Bc2 Qc5 18. Rhe1 Ng4 19. Bxg7 Kxg7 20. Rd4 c3 21. h3
cxb2+ 22. Kxb2 Ne5 23. Red1 Rxd6 24. Rxd6 Nc4+ 25. Kb1 Nxd6 26. Nd4 Rc8 27. Nb3
Qe5 28. Bd3 Nxe4 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.6"]
[White "Gerdau, Niklas"]
[Black "Bracker, Arne"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1804"]
[BlackElo "2254"]
[PlyCount "110"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Qc2 O-O 7. e3 Re8 8.
cxd5 exd5 9. h3 Ne4 10. Bd3 Bf5 11. O-O Bg6 12. Rd1 Bxc3 13. bxc3 Nd6 14. Bxg6
hxg6 15. Qb3 Ne4 16. Qxb7 Na5 17. Qb2 Rb8 18. Qc2 f6 19. Nd2 Nxd2 20. Bxd2 Kf7
21. Bc1 Nc4 22. a4 Qd6 23. a5 Rb5 24. Ba3 Qc6 25. Bb4 Nxe3 26. fxe3 Rxb4 27.
Qa2 Rc4 28. Re1 f5 29. a6 Rxc3 30. Qb2 Rexe3 31. Rxe3 Rxe3 32. Qb7 Qc3 33.
Qxd5+ Re6 34. Qd7+ Re7 35. Qd5+ Kf6 36. Rb1 Re1+ 37. Rxe1 Qxe1+ 38. Kh2 Qe7 39.
Qb7 Qd6+ 40. Kh1 Qxd4 41. Qxc7 Qa1+ 42. Kh2 Qe5+ 43. Qxe5+ Kxe5 44. Kg3 g5 45.
h4 gxh4+ 46. Kxh4 Kf6 47. Kh5 g5 48. g3 g4 49. Kh4 Ke5 50. Kg5 Ke4 51. Kf6 f4
52. gxf4 g3 53. f5 g2 54. Ke6 g1=Q 55. f6 Qb6+ 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.7"]
[White "Keyser, Robin"]
[Black "Schmitzer, Klaus"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2144"]
[BlackElo "2238"]
[PlyCount "100"]
[EventDate "2023.04.07"]

1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 f5 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O Bxd2 8. Qxd2
Nf6 9. d5 Ne4 10. Qf4 O-O 11. Rd1 exd5 12. cxd5 Na6 13. Nd4 Qf6 14. Nc3 Nxc3
15. bxc3 Rae8 16. h4 Qe5 17. e3 Nc5 18. Nb5 Qxf4 19. gxf4 Rc8 20. d6 Bxg2 21.
Kxg2 c6 22. Na3 b5 23. Rac1 Rf6 24. c4 b4 25. Nb1 Re8 26. Nd2 Rg6+ 27. Kf1 a4
28. Nf3 Rb8 29. Ne5 Rh6 30. Nf3 Rb7 31. Nd4 Rxh4 32. Nxf5 Rh1+ 33. Ke2 Rxd1 34.
Rxd1 b3 35. axb3 axb3 36. Rb1 Rb4 37. Nd4 b2 38. Kd2 Na4 39. Kd3 c5 40. Nf3 Kf7
41. Nd2 Ke6 42. Kc2 g6 43. Rh1 Nb6 44. Nb3 Nxc4 45. Nxc5+ Kxd6 46. Nb3 Rxb3 47.
Kxb3 b1=Q+ 48. Rxb1 Nd2+ 49. Kc2 Nxb1 50. Kxb1 h5 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.8"]
[White "Popvasilev, Kaloyan"]
[Black "Schell, Franz Jürgen"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2223"]
[BlackElo "2068"]
[PlyCount "39"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nd7 4. d4 Ngf6 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. a5
Qc7 9. Re1 Rb8 10. Bb3 b5 11. axb6 axb6 12. d5 cxd5 13. exd5 b5 14. Qe2 Nc5 15.
Nxb5 Qb6 16. Bc4 Nfe4 17. b4 Bd7 18. bxc5 Nxc5 19. Nc3 f5 20. Nxe5 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.9"]
[White "Hovhannisyan, Artur"]
[Black "Günther, Patrick"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2198"]
[BlackElo "2055"]
[PlyCount "111"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 a6 8. Be3
Nbd7 9. Be2 Qc7 10. O-O b6 11. Qd2 Bb7 12. Rfc1 O-O 13. a4 Rac8 14. a5 bxa5 15.
Nb3 Rfe8 16. Nxa5 Ba8 17. Na4 Qb8 18. Ra3 Bd8 19. b4 Bc7 20. b5 axb5 21. cxb5
d5 22. Rxc7 Rxc7 23. b6 Rb7 24. Nc6 Qd6 25. Rc3 Rxb6 26. Nxb6 Bxc6 27. Qc1 Bb7
28. Nxd7 Nxd7 29. Rc7 Ba8 30. Bb5 Rd8 31. Rc8 Nb6 32. Rxd8+ Qxd8 33. Qc5 Nc4
34. Bd4 h6 35. Bxc4 dxc4 36. Qxc4 Bb7 37. Qc5 Qd7 38. g4 f6 39. Kf2 e5 40. Be3
Bc6 41. h4 Qe6 42. Kg3 Bd7 43. h5 Kf7 44. Qa7 Kg8 45. Bc5 Qc6 46. Qb8+ Qc8 47.
Qd6 Be6 48. Qe7 Kh7 49. Be3 Qd7 50. Qf8 Qf7 51. Qd6 Qd7 52. Qb6 Qf7 53. Bc5 Qd7
54. Bd6 Qc8 55. Qa7 Qc1 56. Qf2 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.10"]
[White "Callsen, Niklas"]
[Black "Brinkmann, Fabian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2099"]
[BlackElo "2187"]
[PlyCount "92"]
[EventDate "2023.04.07"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Qg4 Ne7 8. Bd3
Ng6 9. Bb2 Nc6 10. Nf3 Bd7 11. h4 h5 12. Qg3 Nce7 13. Nc3 Bc7 14. O-O a5 15. b5
Qb8 16. Ne2 Nf5 17. Bxf5 exf5 18. a4 Be6 19. Rfe1 Qa7 20. Ng5 Nf8 21. Bd4 Bb6
22. c3 Rc8 23. Qe3 Nd7 24. Red1 Rc4 25. Nf4 Bxd4 26. cxd4 Rh6 27. Nf3 Nb6 28.
Rdc1 Qb8 29. Nd2 Qd8 30. Nxc4 dxc4 31. Qg3 Qxd4 32. Nxe6 Rxe6 33. Qxg7 Nd5 34.
Qg8+ Ke7 35. Qc8 Nc3 36. Qxb7+ Kf8 37. Qf3 Ne4 38. Rd1 Qxe5 39. Rd8+ Kg7 40.
Rad1 Qb2 41. Rc8 c3 42. Rdd8 c2 43. Rg8+ Kf6 44. Qf4 Nxf2 45. Qg5+ Ke5 46. Qg3+
Kf6 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.11"]
[White "Kahlert, Thomas"]
[Black "Dorendorf, Mika"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2160"]
[BlackElo "1717"]
[PlyCount "87"]
[EventDate "2023.04.07"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nde7 7. O-O g6 8.
b4 a6 9. a4 Bg7 10. Ba3 O-O 11. b5 axb5 12. axb5 Nd4 13. e3 Nxf3+ 14. Qxf3 Rb8
15. Rac1 Be6 16. Ne4 f5 17. Nc5 Bc8 18. Qe2 e4 19. Qc4+ Kh8 20. d3 exd3 21.
Rfd1 d2 22. Rc2 Rf6 23. Rcxd2 Rd6 24. Nb3 Rxd2 25. Rxd2 Qe8 26. Qxc7 Be6 27.
Bxe7 Bxb3 28. Bxb7 Ba4 29. b6 f4 30. exf4 Bb3 31. Qxb8 Qxb8 32. Rd8+ Qxd8 33.
Bxd8 Bc4 34. Bc6 Ba6 35. Bd5 h5 36. Kg2 Bd4 37. b7 Bxb7 38. Bxb7 Kg7 39. Bd5
Kh6 40. Kf3 Bc3 41. Ke4 Kh7 42. f5 Kh6 43. f6 h4 44. gxh4 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.09"]
[Round "6.12"]
[White "Knaak, Michael"]
[Black "Franke, Lutz"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1840"]
[BlackElo "2151"]
[PlyCount "100"]
[EventDate "2023.04.07"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6
Qxd6 9. O-O Bf5 10. cxd4 e6 11. Nc3 Be7 12. d5 exd5 13. Nxd5 Nxd5 14. Qxd5 Qxd5
15. Bxd5 O-O 16. Bxc6 bxc6 17. Be3 c5 18. b3 Rfc8 19. Rac1 a5 20. Ne5 {(=)} a4
21. Rc3 axb3 22. axb3 Rab8 23. Rfc1 Rb5 24. h3 Be6 25. b4 f6 26. Nf3 Rxb4 27.
Bxc5 Bxc5 28. Rxc5 Ra8 29. Rc7 Bf5 30. Re7 Rb1 31. Rxb1 Bxb1 32. Re1 Bg6 33. g4
Ra3 34. Re3 Rxe3 35. fxe3 Kf7 36. Kf2 Ke6 37. Kg3 Kd5 38. Kf4 Be4 39. h4 Bxf3
40. Kxf3 Ke5 41. e4 g5 42. hxg5 fxg5 43. Ke3 h6 44. Kd3 Kf4 45. Kd4 h5 46. e5
hxg4 47. e6 g3 48. e7 g2 49. e8=Q g1=Q+ 50. Kd3 Qd1+ 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.1"]
[White "Woelk, Tom-Frederic"]
[Black "Bracker, Frank"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2292"]
[BlackElo "2314"]
[PlyCount "42"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. a4 Bf8 14. Bd3 c6 15. b3
g6 16. Ba3 Qc7 17. Qc2 Rad8 18. axb5 cxb5 19. d5 Ra8 20. c4 Rec8 21. Qb2 Nc5 {
(=)} 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.2"]
[White "Parvanyan, Ashot"]
[Black "Parvanyan, Alfred"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2429"]
[BlackElo "2125"]
[PlyCount "53"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8.
Kxf1 Nbd7 9. Nf3 g6 10. g3 Bg7 11. Kg2 O-O 12. a4 Qa5 13. Bd2 Qa6 14. Qc2 Ng4
15. h3 Nge5 16. Nxe5 Nxe5 17. Nb5 Rfc8 18. f4 Nd7 19. Bc3 c4 20. h4 Nc5 21. h5
Nxa4 22. Nd4 Qb6 23. Nc6 Rxc6 24. dxc6 Qxc6 25. Bxg7 Kxg7 26. h6+ Kg8 27. b3
1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.3"]
[White "Zieher, Hartmut"]
[Black "Spiric, Igor"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2117"]
[BlackElo "2259"]
[PlyCount "54"]
[EventDate "2023.04.07"]

1. e4 b6 2. d4 e6 3. f4 Bb7 4. Bd3 f5 5. Qe2 Qh4+ 6. g3 Qe7 7. Nf3 Nf6 8. Nc3
g6 9. Bd2 Nc6 10. a3 a6 11. O-O-O b5 12. d5 exd5 13. e5 Ne4 14. Nxd5 Qf7 15.
Bxe4 O-O-O 16. Ng5 Qg8 17. Bf3 Nd4 18. Ne7+ Bxe7 19. Bxb7+ Kxb7 20. Qg2+ Nc6
21. Nf3 Qa2 22. Bc3 Kb8 23. Nd4 Bc5 24. Nxc6+ dxc6 25. Rd3 Be3+ 26. Kd1 Qb1+
27. Ke2 Qxc2+ 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.4"]
[White "Bracker, Arne"]
[Black "Reddmann, Hauke"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2254"]
[BlackElo "2196"]
[PlyCount "56"]
[EventDate "2023.04.07"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4
g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 12. exf5 Nbc6 13. Nd5 e6 14. Ne3 d5 15.
fxe6 fxe6 16. Qh5+ Nf7 17. O-O-O Ne7 18. Bd3 Qa5 19. Rhe1 Rc8 20. a3 Rc6 21. c3
O-O 22. Qg4 Rfc8 23. Qb4 Qxb4 24. axb4 d4 25. Nc2 dxc3 26. b3 Nf5 27. Rxe6 Nxg3
28. Rxc6 Rxc6 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.5"]
[White "Schmitzer, Klaus"]
[Black "Callsen, Niklas"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2238"]
[BlackElo "2099"]
[PlyCount "152"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. Bg5 d5 3. Nc3 Nbd7 4. e3 e6 5. Nf3 Be7 6. Bd3 c5 7. O-O O-O 8. Re1
h6 9. Bh4 a6 10. a4 Re8 11. h3 Qc7 12. Bg3 Bd6 13. Bxd6 Qxd6 14. a5 e5 15. Bf1
cxd4 16. exd4 e4 17. Nd2 Nf8 18. Na4 Bf5 19. Nc5 Re7 20. c4 Rd8 21. Ncb3 Ng6
22. c5 Qd7 23. Nc1 Nh7 24. Qb3 Be6 25. Qg3 Nf6 26. Be2 Qe8 27. Nf1 Nh7 28. Bh5
Nhf8 29. f4 exf3 30. Bxf3 Bf5 31. Na2 Ne6 32. Red1 Ng5 33. Nc3 Ne4 34. Bxe4
Bxe4 35. Ne3 f5 36. Nxe4 f4 37. Qg4 Rxe4 38. Nf5 Qe6 39. Nd6 Qxg4 40. hxg4 Re2
41. Nxb7 Rde8 42. Nd6 Rb8 43. Re1 Rd2 44. Rad1 Rdxb2 45. Re8+ Rxe8 46. Nxe8 Nh4
47. Rf1 Rxg2+ 48. Kh1 Re2 49. Nc7 f3 50. Nxd5 Kf7 51. c6 Rc2 52. Nb4 Rc4 53.
Nxa6 Rxc6 54. Nc5 Rd6 55. a6 Rxd4 56. a7 Rd8 57. Nd7 Ra8 58. Ra1 f2 59. Nb6 Re8
60. a8=Q Re1+ 61. Kh2 f1=Q 62. Qd5+ Kg6 63. Rxe1 Nf3+ 64. Kg3 Qxe1+ 65. Kxf3
Qf1+ 66. Kg3 Qg1+ 67. Kh3 Qf1+ 68. Kg3 Qg1+ 69. Kf3 Qf1+ 70. Ke3 Qe1+ 71. Kf4
Qf2+ 72. Ke4 Qe2+ 73. Kf4 Qf2+ 74. Ke4 Qe2+ 75. Kf4 Qf2+ 76. Ke4 Qe2+ 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.6"]
[White "Kotyk, Michael"]
[Black "Popvasilev, Kaloyan"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2012"]
[BlackElo "2223"]
[PlyCount "111"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. h3
g6 9. Qc2 Nh5 10. Bh6 Bg5 11. Bxg5 Qxg5 12. g4 Ng7 13. O-O-O Nb6 14. Nf3 Qe7
15. Kb1 Be6 16. Rc1 h5 17. Rhg1 hxg4 18. hxg4 O-O-O 19. Na4 Kb8 20. Nc5 Bc8 21.
a4 Nd7 22. Nxd7+ Bxd7 23. a5 Rc8 24. Qb3 Ne6 25. Rh1 Rxh1 26. Rxh1 Ka8 27. Ne5
Rb8 28. f4 Be8 29. Rh7 Qc7 30. Qc3 Nf8 31. Rh8 Nd7 32. a6 Nxe5 33. fxe5 Bd7 34.
Rh7 Bxg4 35. Bxg6 Be6 36. Ka2 Qb6 37. axb7+ Qxb7 38. Qa3 Qb5 39. Bd3 Qb6 40.
Rh1 Rg8 41. Rc1 Rb8 42. Rc5 Kb7 43. Ra5 Ka8 44. Qc3 Bd7 45. Ka3 Rg8 46. Bc2 Rg3
47. Rc5 Qa6+ 48. Ba4 Rg1 49. b3 Kb7 50. e4 dxe4 51. d5 Kc7 52. dxc6 Be6 53. Qd4
Rb1 54. Qd6+ Kc8 55. Rb5 Rc1 56. Kb4 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.7"]
[White "Debertshäuser, Jörn"]
[Black "Hovhannisyan, Artur"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2049"]
[BlackElo "2198"]
[PlyCount "82"]
[EventDate "2023.04.07"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. b3 Nb6 8.
Bb2 Nfxd5 9. Nxd5 Nxd5 10. Qe2 e6 11. O-O-O c6 12. g4 Bg6 13. Bxd5 Qxd5 14. h4
h5 15. Nh3 hxg4 16. Nf4 gxf3 17. Qf2 Qf5 18. Nxg6 Qxg6 19. Rdg1 Qe4 20. Re1 Qf5
21. Re5 Qf4 22. Ra5 b6 23. Ra4 Qf5 24. Rf1 Be7 25. Bxg7 Rh7 26. Bc3 c5 27. Qg3
O-O-O 28. Rxf3 Bd6 29. Qf2 Qh5 30. Rxa7 Rd7 31. Rxd7 Kxd7 32. Qf1 Kc7 33. Bf6
Qg4 34. Rf2 Rh5 35. Bg5 f5 36. Qa6 Rh8 37. a4 Qd4 38. Qa7+ Kc6 39. c3 Qxf2 40.
a5 Qf1+ 41. Kc2 bxa5 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.8"]
[White "Fabig, Holger"]
[Black "Kahlert, Thomas"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1990"]
[BlackElo "2160"]
[PlyCount "116"]
[EventDate "2023.04.07"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 Bb4+ 8.
Nc3 Bxf3 9. Bxf3 Qc4 10. Bxc6+ bxc6 11. Qe2+ Qxe2+ 12. Kxe2 O-O-O 13. Be3 Ne7
14. a3 Bxc3 15. bxc3 Rhe8 16. Rhe1 Nd5 17. c4 Nxe3 18. fxe3 Rxd4 19. Rac1 Ree4
20. c5 Rd5 21. Rc3 Rh5 22. h3 Rg5 23. Kf2 Re6 24. Re2 Rf6+ 25. Kg1 Rgf5 26. Rc4
Rf1+ 27. Kh2 R6f2 28. Rxf2 Rxf2 29. Kg3 Rf5 30. Rg4 g5 31. Rc4 h5 32. h4 f6 33.
hxg5 fxg5 34. Rc3 Kd7 35. e4 Rf4 36. Rc4 Ke6 37. Ra4 a5 38. Rxa5 Rxe4 39. Ra7
Rc4 40. Rxc7 Rc3+ 41. Kf2 Rxc5 42. Ra7 Kf5 43. a4 Kg4 44. Rd7 Rc2+ 45. Kf1 Rc4
46. a5 Ra4 47. Rc7 Kg3 48. Rxc6 Ra1+ 49. Ke2 Rxa5 50. Kf1 Ra1+ 51. Ke2 g4 52.
Rh6 Rh1 53. Ke3 h4 54. Rg6 Re1+ 55. Kd2 Re4 56. Rh6 Ra4 57. Ke1 Ra1+ 58. Ke2
Rg1 0-1

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.9"]
[White "Franke, Lutz"]
[Black "Neuendorf, Max"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2151"]
[BlackElo "2000"]
[PlyCount "68"]
[EventDate "2023.04.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8.
e4 b5 9. Nxb5 Nxe4 10. Qxc7 Nc6 11. Bd3 Nb4 12. Bxe4 Bxb5 13. Qxd8 Raxd8 14. a3
f5 15. Bb1 Nc6 16. Ba2+ Kh8 17. d5 Nd4 18. Nxd4 Bxd4 19. Be3 Bxb2 20. Rb1 Bc3+
21. Kd1 Bd3 22. Rb3 Bc4 23. Rxc3 Bxa2 24. Bxa7 Bxd5 25. Ke2 Bxg2 26. Rhc1 Rd7
27. Be3 f4 28. Rc8 f3+ 29. Ke1 Rxc8 30. Rxc8+ Kg7 31. a4 Bf1 32. a5 Be2 33. Bd2
Kf7 34. Rc6 Ke8 1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.10"]
[White "Günther, Patrick"]
[Black "Avdic, Faris"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2055"]
[BlackElo "2052"]
[PlyCount "109"]
[EventDate "2023.04.07"]

1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Be7 6. Na3 Nf6 7. O-O O-O 8. Nc2
a5 9. e3 Bg4 10. exd4 exd4 11. Bg5 Nd7 12. Bxe7 Qxe7 13. h3 Bh5 14. Qd2 Nc5 15.
Nfxd4 Nxd4 16. Nxd4 Rad8 17. Nf5 Qf6 18. Ne3 c6 19. Qxa5 Qe5 20. b4 Nxd3 21.
Qxe5 Nxe5 22. g4 Bg6 23. f4 Nxc4 24. Nxc4 Bd3 25. Rfc1 Rd4 26. Ne5 Ba6 27. Bf1
Bxf1 28. Rxf1 Rxb4 29. Rab1 Ra4 30. Rxb7 Rxa2 31. Nxc6 Re8 32. Rb8 Rxb8 33.
Nxb8 h5 34. Rf2 Ra3 35. Kg2 Kh7 36. Rf3 Ra8 37. Nc6 f6 38. Rb3 Ra4 39. Kg3 Kh6
40. Ne7 g6 41. Nd5 hxg4 42. hxg4 g5 43. f5 Kg7 44. Rb7+ Kh6 45. Rb6 Ra3+ 46.
Kf2 Ra2+ 47. Ke3 Ra3+ 48. Kd2 Ra2+ 49. Kc3 Ra3+ 50. Kb2 Ra4 51. Nxf6 Kg7 52.
Kb3 Rd4 53. Nh5+ Kf7 54. Rb7+ Kf8 55. Rb4 1-0

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.11"]
[White "Hopson, Kevin Mike"]
[Black "Nahnsen, Kenneth"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1968"]
[BlackElo "2021"]
[PlyCount "51"]
[EventDate "2023.04.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d5 8. d4
dxe4 9. Nxe5 Nxe5 10. dxe5 Qxd1 11. Rxd1 Ng4 12. Bxe4 Nxf2 13. Bc6+ Ke7 14. Rd5
Bb6 15. Bxa8 Nd3+ 16. Kh1 Nf2+ 17. Kg1 Nd3+ 18. Kf1 Nxc1 19. Rd1 Bf5 20. Rxc1
Rxa8 21. Nd2 Bd3+ 22. Ke1 Re8 23. Nf3 Be3 24. Rd1 Bc2 25. Rd5 Be4 26. Rdd1
1/2-1/2

[Event "HSK Osteropen 2023"]
[Site "Hamburg"]
[Date "2023.04.10"]
[Round "7.12"]
[White "Brinkmann, Fabian"]
[Black "Klaas, Heiko"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "2187"]
[BlackElo "1965"]
[PlyCount "87"]
[EventDate "2023.04.07"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. c4 Nc6 6. O-O cxd4 7. Nxd4 Bc5 8. Nb3
Bb6 9. cxd5 Nxd5 10. Bd2 O-O 11. Nc3 Nf6 12. Na4 Bc7 13. Rc1 Qe7 14. Qc2 Nd5
15. Rfd1 Bd6 16. Nac5 a5 17. Ne4 Ncb4 18. Qb1 Be5 19. Ng5 g6 20. e4 Nc7 21. f4
Bg7 22. Be3 Nba6 23. Nxa5 e5 24. f5 Nb5 25. Nc4 Bd7 26. Nb6 Rad8 27. Nd5 Qd6
28. Nf3 Bc6 29. Bg5 Bxd5 30. Bxd8 Qxd8 31. Rxd5 Qb6+ 32. Kh1 Nb4 33. Rd7 Nc6
34. Bf1 Nbd4 35. Nd2 Bh6 36. Nc4 Qb4 37. Rd1 Bg7 38. a3 Qb3 39. Qd3 Qa4 40. Nb6
Qa7 41. Nd5 Nb8 42. Rc7 Rd8 43. Qc4 Nbc6 44. Nf6+ 1-0

