
[Event "23rd Marienbad A1 GM 2025"]
[Site "Marianske Lazne CZE"]
[Date "2025.01.23"]
[Round "7.3"]
[White "Korobov, A"]
[Black "Otsuka, Shou"]
[Result "1/2-1/2"]
[WhiteElo "2627"]
[BlackElo "2214"]
[ECO "C78"]
[PlyCount "95"]
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.a4 Rb8 8.axb5 axb5 9.d3 O-O 10.Nc3 h6 11.Nd5 d6 12.c3 Bg4 13.h3 Bxf3 14.Qxf3 Nxd5 15.Bxd5 Ne7 16.Bb3 b4 17.Qd1 bxc3 18.bxc3 Ng6 19.Rb1 Qf6 20.g3 Rb6 21.Kg2 Rfb8 22.Bd2 c6 23.Qc2 d5 24.Ba2 Rxb1 25.Bxb1 Ba3 26.Qa4 Bc5 27.Bc2 Rd8 28.Bb3 Qd6 29.Bc1 Qf6 30.Qa5 Qd6 31.Re1 Rb8 32.Qa2 Rd8 33.Re2 Bb6 34.c4 Ne7 35.cxd5 cxd5 36.Rc2 Bc5 37.Qa5 Bb4 38.Qa4 Kh7 39.Kh2 Bc5 40.exd5 Nxd5 41.Qe4+ Kg8 42.Bb2 Nf6 43.Qc4 Bd4 44.Qxf7+ Kh8 45.Rc7 Nd7 46.Rc2 Bxb2 47.Rxb2 Qd4 48.Rc2 1/2-1/2
[Site "Marianske Lazne CZE"]
[Date "2025.01.23"]
[Round "7.3"]
[White "Korobov, A"]
[Black "Otsuka, Shou"]
[Result "1/2-1/2"]
[WhiteElo "2627"]
[BlackElo "2214"]
[ECO "C78"]
[PlyCount "95"]
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.a4 Rb8 8.axb5 axb5 9.d3 O-O 10.Nc3 h6 11.Nd5 d6 12.c3 Bg4 13.h3 Bxf3 14.Qxf3 Nxd5 15.Bxd5 Ne7 16.Bb3 b4 17.Qd1 bxc3 18.bxc3 Ng6 19.Rb1 Qf6 20.g3 Rb6 21.Kg2 Rfb8 22.Bd2 c6 23.Qc2 d5 24.Ba2 Rxb1 25.Bxb1 Ba3 26.Qa4 Bc5 27.Bc2 Rd8 28.Bb3 Qd6 29.Bc1 Qf6 30.Qa5 Qd6 31.Re1 Rb8 32.Qa2 Rd8 33.Re2 Bb6 34.c4 Ne7 35.cxd5 cxd5 36.Rc2 Bc5 37.Qa5 Bb4 38.Qa4 Kh7 39.Kh2 Bc5 40.exd5 Nxd5 41.Qe4+ Kg8 42.Bb2 Nf6 43.Qc4 Bd4 44.Qxf7+ Kh8 45.Rc7 Nd7 46.Rc2 Bxb2 47.Rxb2 Qd4 48.Rc2 1/2-1/2
[Event "23rd Marienbad A1 GM 2025"]
[Site "Marianske Lazne CZE"]
[Date "2025.01.23"]
[Round "7.3"]
[White "Korobov, A"]
[Black "Otsuka, Shou"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2627"]
[BlackElo "2214"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "5.O-O"]
[EventDate "2025.01.18"]
[WhiteFideId "14105730"]
[BlackFideId "7004702"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8.
axb5 axb5 9. d3 O-O 10. Nc3 h6 11. Nd5 d6 12. c3 Bg4 13. h3 Bxf3 14. Qxf3
Nxd5 15. Bxd5 Ne7 16. Bb3 b4 17. Qd1 bxc3 18. bxc3 Ng6 19. Rb1 Qf6 20. g3
Rb6 21. Kg2 Rfb8 22. Bd2 c6 23. Qc2 d5 24. Ba2 Rxb1 25. Bxb1 Ba3 26. Qa4
Bc5 27. Bc2 Rd8 28. Bb3 Qd6 29. Bc1 Qf6 30. Qa5 Qd6 31. Re1 Rb8 32. Qa2 Rd8
33. Re2 Bb6 34. c4 Ne7 35. cxd5 cxd5 36. Rc2 Bc5 37. Qa5 Bb4 38. Qa4 Kh7
39. Kh2 Bc5 40. exd5 Nxd5 41. Qe4+ Kg8 42. Bb2 Nf6 43. Qc4 Bd4 44. Qxf7+
Kh8 45. Rc7 Nd7 46. Rc2 Bxb2 47. Rxb2 Qd4 48. Rc2 1/2-1/2