CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/HJGjgwbP"] [Date "2026.10.18"] [White "Nikolai"] [Black "Omar"] [Result "0-1"] [UTCDate "2026.10.18"] [UTCTime "17:29:04"] [WhiteElo "977"] [BlackElo "1243"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+7"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 e6 { A40 Horwitz Defense } 2. Nf3 Nc6?! { (0.28 → 1.23) Inaccuracy. Nf6 was best. } (2... Nf6 3. c4 d5 4. cxd5 exd5 5. Nc3 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Rc1) 3. Bf4?! { (1.23 → 0.56) Inaccuracy. e4 was best. } (3. e4 d5 4. e5 Nge7 5. c3 f6 6. Bd3 fxe5 7. dxe5 Nf5 8. O-O Be7 9. Nbd2 O-O) 3... Nf6 4. Bg5?! { (0.59 → -0.07) Inaccuracy. e3 was best. } (4. e3 Nh5 5. Bg5 Be7 6. Bxe7 Nxe7 7. Bd3 d6 8. c4 Nf6 9. O-O b6 10. Qc2 Bb7) 4... g6 5. Bf4 Bg7 6. c3 O-O 7. e3 b6 8. Bd3 Bb7 9. Nbd2 Nd5? { (-0.37 → 0.73) Mistake. d6 was best. } (9... d6) 10. Be4? { (0.73 → -0.64) Mistake. Bg3 was best. } (10. Bg3) 10... Nxf4 11. exf4 d5 12. Bd3 Qf6? { (-0.75 → 0.32) Mistake. Qd6 was best. } (12... Qd6 13. g3 f6 14. O-O e5 15. fxe5 fxe5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Re1 Bg7 19. Qe2) 13. Qe2?? { (0.32 → -3.15) Blunder. g3 was best. } (13. g3 Na5 14. Ne5 Qe7 15. O-O c5 16. Qe2 Rad8 17. Rfe1 Nc4 18. Ndf3 Nd6 19. h4 f6) 13... Qxf4 14. O-O Qd6?! { (-3.15 → -2.07) Inaccuracy. e5 was best. } (14... e5 15. g3) 15. h3?! { (-2.07 → -3.24) Inaccuracy. Rae1 was best. } (15. Rae1 Ne7 16. h4 c5 17. Ne5 Nf5 18. Ndf3 f6 19. Ng4 Rae8 20. h5 e5 21. Bxf5 gxf5) 15... Ne7?! { (-3.24 → -2.55) Inaccuracy. e5 was best. } (15... e5 16. dxe5) 16. Bb5?! { (-2.55 → -3.48) Inaccuracy. Rfe1 was best. } (16. Rfe1 c5 17. Ne5 Rae8 18. Bb5 Rd8 19. Rad1 Nf5 20. Ndf3 Qe7 21. a4 Ba8 22. h4 Nxh4) 16... c5 17. dxc5?! { (-3.35 → -5.18) Inaccuracy. Rfe1 was best. } (17. Rfe1 cxd4 18. cxd4 Nf5 19. Nb3 a5 20. Rad1 a4 21. Nc1 a3 22. g4 axb2 23. Qxb2 Qf4) 17... Qxc5?! { (-5.18 → -3.69) Inaccuracy. bxc5 was best. } (17... bxc5 18. Rfe1) 18. Ba6 Bxa6 19. Qxa6 Rac8 20. Qxa7? { (-3.49 → -6.53) Mistake. Nd4 was best. } (20. Nd4) 20... d4?? { (-6.53 → 0.35) Blunder. Ra8 was best. } (20... Ra8 21. Qb7) 21. Nxd4 Bxd4 22. cxd4 Qxd4 23. Qxe7 Qxd2 24. Rab1 Rfe8 25. Qb7 Rcd8 26. Qxb6 Rd7?? { (0.21 → 2.20) Blunder. Rb8 was best. } (26... Rb8 27. Qa7 Rxb2 28. a4 Ra2 29. Ra1 Rd8 30. a5 Rxa1 31. Rxa1 Qb2 32. Rf1 Rd5 33. a6) 27. Qc6? { (2.20 → 1.00) Mistake. a4 was best. } (27. a4 Ra8) 27... Red8 28. Rbd1? { (1.09 → 0.00) Mistake. a3 was best. } (28. a3 Rd3 29. b4 Rxa3 30. b5 Qd7 31. Qc2 Qd3 32. Qc7 Rd7 33. Qe5 Qd5 34. Qxd5 exd5) 28... Qxd1 29. Rxd1 Rxd1+ 30. Kh2 R1d6 31. Qb7 R6d7 32. Qf3 Rd3 33. g4?? { (0.00 → -14.90) Blunder. Qb7 was best. } { White resigns. } (33. Qb7 R3d7 34. Qb4 Rd4 35. Qc3 Rd3 36. Qc7 R3d7 37. Qc4 Rd4) 0-1