CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/2YfMyWZI"] [Date "2025.02.16"] [White "Nikolai"] [Black "Jihoon"] [Result "1-0"] [UTCDate "2025.02.16"] [UTCTime "18:11:22"] [WhiteElo "1229"] [BlackElo "1022"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } e6 4. c3 Bd6 5. e3 Nh5?! { (0.12 → 0.76) Inaccuracy. O-O was best. } (5... O-O 6. Bg3 b6 7. Nbd2 Bb7 8. Bd3 c5 9. Bxd6 Qxd6 10. Ne5 Qc7 11. O-O Ba6 12. Qe2) 6. Bd3?? { (0.76 → -1.61) Blunder. Bg5 was best. } (6. Bg5 Be7 7. Bxe7 Qxe7 8. Ne5 g6 9. Be2 Ng7 10. Nd2 Nd7 11. Nxd7 Bxd7 12. O-O O-O) 6... O-O?? { (-1.61 → 0.68) Blunder. Nxf4 was best. } (6... Nxf4 7. exf4) 7. O-O?? { (0.68 → -1.45) Blunder. Be5 was best. } (7. Be5 g6 8. Nbd2 c5 9. Bxd6 Qxd6 10. O-O Nc6 11. Re1 e5 12. dxc5 Qxc5 13. e4 d4) 7... b6?? { (-1.45 → 0.48) Blunder. Nxf4 was best. } (7... Nxf4 8. exf4) 8. h3?? { (0.48 → -1.98) Blunder. Bg5 was best. } (8. Bg5 Be7 9. Bxe7 Qxe7 10. Nbd2 Nf6 11. Ne5 c5 12. f4 Ba6 13. Bxa6 Nxa6 14. g4 Rac8) 8... Nc6?? { (-1.98 → 0.26) Blunder. Nxf4 was best. } (8... Nxf4 9. exf4) 9. Qe2?? { (0.26 → -1.96) Blunder. Bh2 was best. } (9. Bh2 Ne7) 9... Ba6?? { (-1.96 → 6.99) Blunder. Bxf4 was best. } (9... Bxf4 10. Bb5 Ne7 11. exf4 Nxf4 12. Qe3 a6 13. Ba4 Nfg6 14. Bc2 Nf5 15. Qd2 Nd6 16. Qe3) 10. Nbd2?? { (6.99 → -2.27) Blunder. Bxa6 was best. } (10. Bxa6 Bxf4) 10... Bxd3 11. Qxd3 Bxf4 12. e4?? { (-1.95 → -8.34) Blunder. exf4 was best. } (12. exf4 Nxf4 13. Qe3 Ng6 14. Rfe1 Nce7 15. g3 Nf5 16. Qe2 Nge7 17. Rad1 a5 18. h4 Nd6) 12... dxe4 13. Nxe4 Bg5?? { (-8.04 → 0.80) Blunder. Bh6 was best. } (13... Bh6 14. Qb5) 14. Nexg5?! { (0.80 → 0.26) Inaccuracy. Nfxg5 was best. } (14. Nfxg5 h6 15. Qf3 hxg5 16. Qxh5 f6 17. f4 Qd5 18. Qf3 gxf4 19. Rae1 Ne7 20. Qxf4 Qd7) 14... e5?? { (0.26 → Mate in 1) Checkmate is now unavoidable. Nf6 was best. } (14... Nf6 15. Qe2 Qd5 16. Ne5 h6 17. Ngf3 Nxe5 18. dxe5 Qe4 19. Rfe1 Qxe2 20. Rxe2 Nd5 21. Rd2) 15. dxe5?? { (Mate in 1 → -10.54) Lost forced checkmate sequence. Qxh7# was best. } (15. Qxh7#) 15... Qxd3 16. g4 Qxf3 17. Nxf3 Rae8?? { (-7.76 → -0.83) Blunder. Nf4 was best. } (17... Nf4 18. Rad1 Rfd8 19. Rfe1 Rxd1 20. Rxd1 Rd8 21. Rxd8+ Nxd8 22. Nd4 Nde6 23. Nb5 Nxh3+ 24. Kh2) 18. gxh5 Nxe5 19. Nxe5 Rxe5 20. f4?? { (-0.73 → -3.12) Blunder. h6 was best. } (20. h6) 20... Rxh5 21. h4? { (-3.02 → -5.28) Mistake. Rad1 was best. } (21. Rad1 Rxh3 22. Rd7 Rh5 23. Rxc7 Ra5 24. Ra1 Ra4 25. c4 Rd8 26. a3 h5 27. b3 Ra5) 21... Rxh4 22. b4 Rh3 23. Rac1 c5 24. bxc5 bxc5 25. c4 f6?! { (-6.00 → -4.33) Inaccuracy. g6 was best. } (25... g6 26. f5 Kg7 27. fxg6 hxg6 28. Rce1 Rh4 29. Re7 a5 30. Ra7 Rg4+ 31. Kf2 Rxc4) 26. a4 g5?! { (-5.43 → -3.51) Inaccuracy. Rd8 was best. } (26... Rd8 27. Rb1) 27. fxg5 fxg5 28. Rxf8+?! { (-3.48 → -4.83) Inaccuracy. Rfd1 was best. } (28. Rfd1 Rhf3) 28... Kxf8 29. Rf1+ Kg7 30. Rf5 Kg6 31. Rxc5 g4 32. Rc7 g3?? { (-4.77 → 0.02) Blunder. Rc3 was best. } (32... Rc3) 33. Rxa7 Kg5 34. Rxh7?? { (0.13 → Mate in 11) Checkmate is now unavoidable. Kg2 was best. } (34. Kg2 Rh4 35. Rg7+ Kf4 36. Rxg3 Ke5 37. Rc3 Rh6 38. a5 Rg6+ 39. Kf2 Kd4 40. Ra3 Rg8) 34... Kf4?? { (Mate in 11 → 65.61) Lost forced checkmate sequence. Rxh7 was best. } (34... Rxh7 35. Kf1 Kf4 36. Ke2 Rh2+ 37. Kd3 g2 38. c5 g1=Q 39. Kc4 Rc2+ 40. Kb5 Qxc5+ 41. Ka6) 35. Rxh3 Kf3 36. Rxg3+ Kxg3 37. c5 Kf4 38. c6 Ke5 39. c7 Kd6 40. c8=Q { Black resigns. } 1-0