CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/mC0AyDfq"] [Date "2024.03.03"] [White "Sasha"] [Black "Bohdan"] [Result "1-0"] [UTCDate "2024.03.03"] [UTCTime "18:48:01"] [WhiteElo "1581"] [BlackElo "1544"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-5"] [WhiteTitle "IM🧁"] [BlackTitle "🐍"] [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 } Nc6 4. e3 Bf5 5. c3?! { (0.92 → 0.21) Inaccuracy. Bb5 was best. } (5. Bb5 e6 6. Ne5 a6 7. Ba4 Bd6 8. Nxc6 Qd7 9. c4 bxc6 10. Be5 Ng4 11. cxd5 exd5) 5... e6 6. Nbd2 Be4?! { (0.32 → 1.29) Inaccuracy. Bd6 was best. } (6... Bd6 7. Bg3 O-O 8. Be2 a5 9. O-O Ne7 10. c4 h6 11. Qa4 c6 12. Rfc1 Bc7 13. c5) 7. Nxe4 dxe4? { (1.17 → 2.77) Mistake. Nxe4 was best. } (7... Nxe4 8. Qb3 Rb8 9. Bd3 Nf6 10. Bg5 Be7 11. Qc2 h6 12. Bh4 O-O 13. a3 Nd7 14. Bg3) 8. Ne5?! { (2.77 → 1.61) Inaccuracy. Nd2 was best. } (8. Nd2 h6) 8... Nxe5 9. Bxe5 Bd6?! { (1.36 → 1.93) Inaccuracy. Qd7 was best. } (9... Qd7) 10. Bxf6? { (1.93 → 0.58) Mistake. Qc2 was best. } (10. Qc2 Bxe5 11. dxe5 Nd7 12. Qxe4 c6 13. f4 Qa5 14. a4 Nb6 15. b4 Qd5 16. Qc2 Nc4) 10... Qxf6 11. f3?! { (0.62 → 0.08) Inaccuracy. Qc2 was best. } (11. Qc2) 11... Qh4+ 12. g3? { (-0.07 → -1.11) Mistake. Kd2 was best. } (12. Kd2 O-O 13. fxe4 Qxe4 14. Qf3 Qxf3 15. gxf3 c5 16. f4 Rac8 17. Bg2 Rfd8 18. Rac1 Rc7) 12... Qf6?? { (-1.11 → 1.99) Blunder. Bxg3+ was best. } (12... Bxg3+ 13. Kd2 Bd6 14. fxe4 Qxe4 15. Rg1 O-O 16. Qh5 Qf5 17. Qh6 g6 18. Be2 Qf6 19. h4) 13. fxe4 Qh6?! { (1.95 → 2.83) Inaccuracy. e5 was best. } (13... e5) 14. e5?? { (2.83 → 0.88) Blunder. Qf3 was best. } (14. Qf3) 14... Qxe3+ 15. Be2 Be7 16. Qd2 Qe4? { (0.04 → 1.36) Mistake. Qxd2+ was best. } (16... Qxd2+ 17. Kxd2 c5 18. dxc5 Bxc5 19. Bf3 O-O-O+ 20. Kc2 Be3 21. Rad1 Rxd1 22. Rxd1 h5 23. Re1) 17. O-O-O Qd5 18. c4 Qe4 19. Bd3?? { (0.84 → -1.87) Blunder. Rhf1 was best. } (19. Rhf1 Qg6) 19... Qg4?? { (-1.87 → 0.87) Blunder. Qxd4 was best. } (19... Qxd4 20. Qe2 Qb6 21. Rhf1 Rd8 22. a3 g6 23. h4 Bf8 24. h5 Bg7 25. Kb1 Qc5 26. Rfe1) 20. Qe2? { (0.87 → -0.60) Mistake. Qa5 was best. } (20. Qa5) 20... Bg5+? { (-0.60 → 0.48) Mistake. Qxd4 was best. } (20... Qxd4) 21. Kb1 Qh3?? { (0.41 → 3.58) Blunder. Qxd4 was best. } (21... Qxd4 22. h4 Bh6 23. Bxh7 Qe3 24. Qg2 c6 25. Rhe1 Qc5 26. Bc2 Rd8 27. Rxd8+ Kxd8 28. Qf3) 22. c5? { (3.58 → 2.02) Mistake. Be4 was best. } (22. Be4 c6 23. Bg2 Qf5+ 24. Ka1 Bd8 25. Rhf1 Qg5 26. d5 exd5 27. cxd5 O-O 28. a3 Qe7) 22... Qh6?? { (2.02 → 4.21) Blunder. c6 was best. } (22... c6 23. Be4) 23. Bb5+?? { (4.21 → 1.91) Blunder. h4 was best. } (23. h4 Be7) 23... c6 24. Bc4?! { (1.85 → 0.90) Inaccuracy. h4 was best. } (24. h4 Be7 25. Ka1 O-O-O 26. Bxc6 bxc6 27. Qa6+ Kd7 28. Qb7+ Ke8 29. Qxc6+ Rd7 30. Rhe1 Qg6) 24... Qg6+?? { (0.90 → 2.77) Blunder. Qh3 was best. } (24... Qh3 25. Rd3 h5 26. Rhd1 Rd8 27. Ra3 a6 28. Rad3 Rd7 29. a3 O-O 30. Ka2 g6 31. Kb3) 25. Ka1?! { (2.77 → 1.88) Inaccuracy. Bd3 was best. } (25. Bd3 Qh6 26. h4 Be7 27. Be4 O-O-O 28. b4 f5 29. Bf3 a6 30. a4 Kc7 31. Qc4 g5) 25... O-O?? { (1.88 → 3.97) Blunder. h5 was best. } (25... h5 26. Bd3) 26. h4 Bh6? { (3.82 → 7.69) Mistake. Be7 was best. } (26... Be7 27. g4) 27. Bd3?? { (7.69 → 0.45) Blunder. g4 was best. } (27. g4) 27... f5?? { (0.45 → 3.79) Blunder. Qxg3 was best. } (27... Qxg3 28. Bb1 Rad8 29. Qe4 Qg6 30. Qf3 f5 31. exf6 Rxf6 32. Qe2 Qf7 33. h5 Rf2 34. Qd3) 28. exf6 Qxf6 29. Rhf1? { (4.22 → 2.60) Mistake. g4 was best. } (29. g4 Bf4 30. g5 Qe7 31. Rdf1 g6 32. Bc4 Rae8 33. a3 Rf5 34. Rf3 Qd7 35. Qe4 Bb8) 29... Qe7 30. Rxf8+ Rxf8 31. Rf1?? { (2.12 → -0.30) Blunder. h5 was best. } (31. h5 Qf6 32. a3 Kh8 33. Bb1 Qf3 34. Qc2 g6 35. hxg6 Bg7 36. gxh7 Qxg3 37. Qc4 Qf3) 31... Rxf1+ 32. Qxf1 e5? { (-0.28 → 0.75) Mistake. g6 was best. } (32... g6 33. Bc4 Be3 34. Qd3 Bf2 35. h5 gxh5 36. a3 Kg7 37. Ka2 Qd7 38. Qb3 Bxd4 39. Bxe6) 33. Bc4+ Kh8 34. dxe5 Qxe5?? { (0.46 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (34... g6 35. e6 Qxc5 36. Qf6+ Bg7 37. Qd8+ Bf8 38. Bd3 Qe7 39. Qb8 a5 40. h5 Qd6 41. Qa8) 35. Qf8# { White wins by checkmate. } 1-0