CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/9p2yjRWl"] [Date "2025.02.18"] [White "ChessMasterPlayer"] [Black "Oliver4"] [Result "1-0"] [UTCDate "2025.02.18"] [UTCTime "00:43:39"] [WhiteElo "1558"] [BlackElo "1097"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-2"] [WhiteTitle "GM"] [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 } Bf5 4. e3 e6 5. Bd3 Bd6 6. Nc3 Nc6?! { (-0.25 → 0.36) Inaccuracy. Bxd3 was best. } (6... Bxd3 7. Qxd3 O-O 8. Bg5 Be7 9. Bxf6 Bxf6 10. e4 c5 11. exd5 exd5 12. O-O-O cxd4 13. Nxd4) 7. O-O?! { (0.36 → -0.20) Inaccuracy. Bxf5 was best. } (7. Bxf5 exf5 8. Bg5 Bb4 9. Qd3 h6 10. Bxf6 Qxf6 11. O-O Bxc3 12. Qxc3 O-O 13. b4 Qd6) 7... O-O?! { (-0.20 → 0.67) Inaccuracy. Bxf4 was best. } (7... Bxf4 8. exf4) 8. Bxf5 Bxf4? { (0.65 → 2.15) Mistake. exf5 was best. } (8... exf5 9. Bg5) 9. exf4?? { (2.15 → 0.06) Blunder. Bxh7+ was best. } (9. Bxh7+ Nxh7 10. exf4 Nf6 11. Ne2 a5 12. Re1 a4 13. Ng3 Ne7 14. Ne5 Qd6 15. Rb1 c5) 9... exf5 10. Ne5 Ne4?! { (0.02 → 0.53) Inaccuracy. Ne7 was best. } (10... Ne7 11. Na4 b6 12. Re1 Ne4 13. g3 Re8 14. Kg2 c6 15. h4 Qc7 16. b3 c5 17. dxc5) 11. Nxc6 Nxc3?! { (0.21 → 1.07) Inaccuracy. bxc6 was best. } (11... bxc6 12. Na4 Qd6 13. f3 Nf6 14. Qd2 Nd7 15. Rad1 Rfe8 16. b3 h5 17. h4 c5 18. dxc5) 12. bxc3?! { (1.07 → 0.29) Inaccuracy. Qe1 was best. } (12. Qe1) 12... bxc6 13. Qh5?! { (0.36 → -0.45) Inaccuracy. Qd3 was best. } (13. Qd3 g6 14. Rfe1 Qd6 15. Re5 Rab8 16. a4 h5 17. g3 a5 18. Kg2 Rb2 19. c4 dxc4) 13... Qd6? { (-0.45 → 0.71) Mistake. g6 was best. } (13... g6 14. Qe2 Qd6 15. g3 Qa3 16. Qd3 Rab8 17. c4 Qxd3 18. cxd3 Rb2 19. cxd5 cxd5 20. Rfc1) 14. Qxf5 g6 15. Qg4 h5?! { (0.35 → 1.27) Inaccuracy. Rae8 was best. } (15... Rae8 16. g3 Re4 17. Rae1 Qa3 18. Rxe4 dxe4 19. f5 Re8 20. Re1 e3 21. Qf3 exf2+ 22. Qxf2) 16. Qf3 Rfe8 17. f5?! { (1.34 → 0.48) Inaccuracy. Rae1 was best. } (17. Rae1 Rab8 18. h3 Qd7 19. Re5 Rxe5 20. dxe5 h4 21. Qe3 Rb2 22. Qxa7 Rxc2 23. Rb1 Qf5) 17... a5?? { (0.48 → 2.17) Blunder. Qf6 was best. } (17... Qf6) 18. fxg6 fxg6 19. Rab1 a4 20. Rb7?! { (2.24 → 1.27) Inaccuracy. Rfe1 was best. } (20. Rfe1 a3 21. h3 Kg7 22. Re3 c5 23. Qe2 Rxe3 24. Qxe3 c4 25. Rb7 Kg8 26. Qe5 Qxe5) 20... a3 21. Qd3 g5?? { (1.45 → 4.55) Blunder. Kg7 was best. } (21... Kg7 22. c4 Re7 23. Qb3 Ra5 24. h3 dxc4 25. Qxc4 Rd5 26. Qc3 Rxd4 27. Rb3 Re2 28. Rxa3) 22. c4?! { (4.55 → 3.24) Inaccuracy. Qf5 was best. } (22. Qf5) 22... c5? { (3.24 → 5.97) Mistake. Re4 was best. } (22... Re4 23. Qf3) 23. dxc5 Qxc5?! { (5.71 → 9.54) Inaccuracy. dxc4 was best. } (23... dxc4 24. Qh7+) 24. Qg6+ Kh8 25. Qxh5+ Kg7 26. Qxg5+ Kh7?! { (10.30 → Mate in 7) Checkmate is now unavoidable. Kf7 was best. } (26... Kf7 27. Qf5+ Kg7 28. Rb3 Qd6 29. Rh3 Qg6 30. Qd7+ Qf7 31. Qg4+ Qg6 32. Qd4+ Kg8 33. Qxd5+) 27. Qxd5? { (Mate in 7 → 8.10) Lost forced checkmate sequence. Rb3 was best. } (27. Rb3 Qxf2+ 28. Kxf2 Rf8+ 29. Kg1 Rxf1+ 30. Kxf1 Rf8+ 31. Kg1 Rf1+ 32. Kxf1 d4 33. Rh3#) 27... Qe7 28. h3 c6 29. Rxe7+ Rxe7 30. Qxc6 Kh8 31. Qxa8+ Kg7 32. Qxa3 Kf6?! { (69.17 → Mate in 10) Checkmate is now unavoidable. Kf7 was best. } (32... Kf7 33. Qf3+ Ke8 34. Qa8+ Kf7 35. Qd5+ Kf6 36. Qd6+ Re6 37. Qd4+ Kf7 38. c5 Ke8 39. c6) 33. Qa6+?! { (Mate in 10 → 71.91) Lost forced checkmate sequence. Qxe7+ was best. } (33. Qxe7+ Kxe7 34. Rd1 Kf6 35. c5 Kg6 36. c6 Kh5 37. c7 Kg6 38. c8=Q Kg7 39. Qc7+ Kg6) 33... Ke5?! { (71.91 → Mate in 6) Checkmate is now unavoidable. Re6 was best. } (33... Re6 34. Qxe6+) 34. f4+ Kd4 35. Qd6+ Ke3 36. Qxe7+ Kd2 37. Rf2+ Kc1 38. Rf1+ Kxc2 39. Qe2+ Kc3 40. Rf3+ Kb4 41. c5 Kxc5 42. Qe4 Kb5 43. Rg3 Kc5 44. Rg5+ Kd6 45. Qa4 Ke6 46. Qa6+ Kf7 47. Rb5 Ke7 48. Rb7+ Kd8 49. Qa8# { White wins by checkmate. } 1-0