CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/z6haVMrx"] [Date "2023.10.21"] [White "Nikolai"] [Black "Rajaie"] [Result "0-1"] [UTCDate "2023.10.21"] [UTCTime "17:21:33"] [WhiteElo "1113"] [BlackElo "1506"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+2"] [BlackTitle "NM🏒"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nc6?! { (0.21 → 0.88) Inaccuracy. Nf6 was best. } { D02 Queen's Pawn Game: Chigorin Variation } (2... Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2) 3. Bf4 Bf5 4. Nc3?! { (0.53 → -0.03) Inaccuracy. c4 was best. } (4. c4 Nf6 5. e3 e6 6. c5 Ne4 7. h4 Be7 8. Nc3 Nxc3 9. bxc3 Na5 10. Be2 O-O) 4... Nf6 5. e3 e6 6. Be2 Bb4 7. O-O Ng4? { (-0.02 → 1.42) Mistake. a6 was best. } (7... a6 8. Bg3) 8. Ne5?? { (1.42 → -0.77) Blunder. Nb5 was best. } (8. Nb5 Bd6 9. Nxd6+ cxd6 10. c4 Nf6 11. Qb3 Qe7 12. cxd5 Nxd5 13. Bg3 O-O 14. Nd2 Nb6) 8... Ncxe5?? { (-0.77 → 0.88) Blunder. Ngxe5 was best. } (8... Ngxe5) 9. Bxe5?? { (0.88 → -0.88) Blunder. dxe5 was best. } (9. dxe5) 9... f6?? { (-0.88 → 2.59) Blunder. Nxe5 was best. } (9... Nxe5 10. dxe5 c6 11. Bd3 Qc7 12. f4 Bc5 13. Bxf5 Bxe3+ 14. Kh1 exf5 15. Qd3 Bc5 16. Qxf5) 10. Bf4 O-O?? { (2.00 → 8.15) Blunder. h5 was best. } (10... h5 11. h3 Nh6 12. Nb5 Kf8 13. Bxc7 Qd7 14. c4 dxc4 15. Bxc4 a6 16. Qa4 Be7 17. Bb6) 11. h3?? { (8.15 → 1.63) Blunder. Bxg4 was best. } (11. Bxg4) 11... Nh6 12. Bf3?? { (1.79 → -0.24) Blunder. Bxh6 was best. } (12. Bxh6 gxh6 13. Bg4 Bxc3 14. Bxf5 exf5 15. bxc3 Qd7 16. Qh5 Kg7 17. Rfb1 b6 18. a4 Rae8) 12... Bxc3?! { (-0.24 → 0.76) Inaccuracy. g5 was best. } (12... g5 13. Bh2 c6 14. Ne2 Bd6 15. Bxd6 Qxd6 16. c4 Bg6 17. a4 f5 18. g3 Rae8 19. Qb3) 13. Bxh6?? { (0.76 → -1.26) Blunder. bxc3 was best. } (13. bxc3) 13... gxh6?? { (-1.26 → 1.00) Blunder. Bxb2 was best. } (13... Bxb2 14. Rb1) 14. bxc3 Qe7 15. Be2 Qg7 16. g4? { (1.29 → 0.05) Mistake. Kh1 was best. } (16. Kh1 Kh8 17. c4 Rg8 18. Rg1 Qd7 19. c5 e5 20. Kh2 c6 21. a4 Qc7 22. g3 Qd7) 16... h5 17. a4?? { (0.07 → -2.19) Blunder. Kh2 was best. } (17. Kh2 hxg4 18. Bxg4 Bxg4 19. Qxg4 Qxg4 20. hxg4 c5 21. dxc5 Rac8 22. Rab1 Rxc5 23. Rxb7 Rf7) 17... hxg4 18. hxg4 Be4?? { (-2.13 → 0.00) Blunder. Bxg4 was best. } (18... Bxg4) 19. f3 Bg6 20. a5 Bh5? { (-0.29 → 0.84) Mistake. h5 was best. } (20... h5 21. Kf2) 21. Rb1?! { (0.84 → 0.00) Inaccuracy. Kf2 was best. } (21. Kf2) 21... Kh8?? { (0.00 → 2.21) Blunder. f5 was best. } (21... f5 22. Kf2 fxg4 23. f4 b6 24. Rg1 Qf6 25. Bxg4 Bg6 26. Bh5 Qh4+ 27. Rg3 Qh2+ 28. Rg2) 22. Kf2 Bg6 23. Ke1?? { (2.03 → 0.17) Blunder. Rxb7 was best. } (23. Rxb7 f5 24. gxf5 Bxf5 25. Rh1 Rfb8 26. a6 Rxb7 27. axb7 Rb8 28. Ba6 Qe7 29. Qe2 Qd6) 23... Rg8?? { (0.17 → 2.24) Blunder. c5 was best. } (23... c5 24. Bd3) 24. e4?? { (2.24 → -0.53) Blunder. Rxb7 was best. } (24. Rxb7 Rab8 25. a6 Rxb7 26. axb7 c5 27. Ba6 c4 28. Kd2 Qc7 29. Re1 Qh2+ 30. Re2 Qd6) 24... dxe4 25. fxe4 Bxe4 26. Rxb7?? { (-0.36 → -8.70) Blunder. Bf3 was best. } (26. Bf3 Bd5) 26... Qg5?? { (-8.70 → -1.76) Blunder. Bxb7 was best. } (26... Bxb7 27. Qd2 Raf8 28. Qe3 f5 29. Rf4 Bd5 30. a6 Be4 31. Rf2 Ba8 32. Qf4 fxg4 33. Qxf8) 27. Bc4?? { (-1.76 → -8.36) Blunder. Rb5 was best. } (27. Rb5 Qh4+ 28. Kd2 Qh6+ 29. Ke1 Rab8 30. Rb4 Qh4+ 31. Rf2 Qg3 32. Qd2 f5 33. Bd3 Rxb4) 27... Bxb7 28. Bxe6 Qe5+?? { (-11.43 → 8.23) Blunder. Rge8 was best. } (28... Rge8) 29. Qe2?? { (8.23 → -8.87) Blunder. dxe5 was best. } (29. dxe5) 29... Qg5 30. Bxg8 Rxg8 31. c4 Qxa5+ 32. Kf2 Qc3 33. c5 Qxd4+ 34. Qe3 Qxg4 35. Rg1?! { (-12.37 → Mate in 9) Checkmate is now unavoidable. Rc1 was best. } (35. Rc1 Qh5) 35... Qh4+?! { (Mate in 9 → -57.97) Lost forced checkmate sequence. Qxg1+ was best. } (35... Qxg1+ 36. Ke2 Rg2+ 37. Kd3 Qd1+ 38. Kc4 Qxc2+ 39. Kb5 a6+ 40. Ka5 Qa2+ 41. Kb4 Rb2+ 42. Kc3) 36. Ke2 Rxg1 37. Qxg1 { White offers draw } 37... a5 38. c4 a4 39. Kd2 a3 40. Kc2?! { (-12.93 → Mate in 34) Checkmate is now unavoidable. c6 was best. } (40. c6 Ba6) 40... Qxc4+ 41. Kb1 Qb3+ 42. Ka1 Qb2# { Black wins by checkmate. } 0-1