CohenChessClub.com

[Event "November Swiss Megatournament"] [Site "https://cohenchessclub.com/ZBMm60pW"] [Date "2023.11.11"] [White "Nikolai"] [Black "Kevin4"] [Result "0-1"] [UTCDate "2023.11.11"] [UTCTime "21:12:31"] [WhiteElo "1113"] [BlackElo "1387"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+6"] [BlackTitle "GM🐱"] [Variant "Standard"] [TimeControl "600+1"] [ECO "D02"] [Opening "Queen's Pawn Game: Zukertort Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 { D02 Queen's Pawn Game: Zukertort Variation } e6 3. Bf4 Bb4+ 4. Nc3?! { (0.62 → -0.26) Inaccuracy. Nbd2 was best. } (4. Nbd2) 4... Bxc3+ 5. bxc3 Qf6?? { (0.12 → 2.34) Blunder. Nf6 was best. } (5... Nf6 6. Qc1 b6 7. e3 O-O 8. a4 Ba6 9. Bd3 Ne4 10. Qa3 f6 11. h4 Qd7 12. a5) 6. Bg5?! { (2.34 → 1.74) Inaccuracy. Be5 was best. } (6. Be5 Qg6 7. Bxc7 Nf6 8. Ne5 Qh6 9. e3 Ne4 10. Bb5+ Nc6 11. O-O O-O 12. Nxc6 bxc6) 6... Qf5 7. e3 f6? { (1.59 → 2.89) Mistake. Nf6 was best. } (7... Nf6) 8. Bh4? { (2.89 → 1.63) Mistake. Bf4 was best. } (8. Bf4 Qh5 9. Bxc7 Ne7 10. Be2 O-O 11. O-O Nbc6 12. Bg3 Qf7 13. c4 Na5 14. cxd5 exd5) 8... g5?? { (1.63 → 3.89) Blunder. Ne7 was best. } (8... Ne7) 9. Bg3 Nc6 10. Be2?! { (3.99 → 3.01) Inaccuracy. Bd3 was best. } (10. Bd3 Qg4) 10... Qg4?? { (3.01 → 8.45) Blunder. Nge7 was best. } (10... Nge7 11. Bd3 Qg4 12. O-O b6 13. Bxc7 Qh5 14. Bd6 Nf5 15. Ba3 Bb7 16. c4 dxc4 17. Bxc4) 11. Bb5?? { (8.45 → 2.63) Blunder. Nd2 was best. } (11. Nd2 Qxg3 12. hxg3 f5 13. Bh5+ Kf8 14. e4 Nce7 15. exf5 Nxf5 16. Nf3 h6 17. O-O b6) 11... a6?! { (2.63 → 3.97) Inaccuracy. Qh5 was best. } (11... Qh5 12. Bxc7 Ne7 13. O-O Nf5 14. Rb1 Qf7 15. Bg3 h5 16. h4 gxh4 17. Nxh4 Nxg3 18. fxg3) 12. Bxc6+?! { (3.97 → 2.62) Inaccuracy. Be2 was best. } (12. Be2 Qf5) 12... bxc6 13. Bxc7 Qxg2?! { (2.36 → 3.30) Inaccuracy. a5 was best. } (13... a5) 14. Bg3?? { (3.30 → -7.54) Blunder. Rg1 was best. } (14. Rg1 Qh3 15. Nxg5 fxg5 16. Be5 Nf6 17. Bxf6 Rg8 18. Be5 a5 19. Rb1 Ba6 20. Rb6 Bb5) 14... Qxh1+ 15. Ke2 Qg2 16. h3 Qxh3 17. Qd3 Qh5 18. e4 f5 19. exd5 exd5?! { (-8.00 → -5.55) Inaccuracy. f4 was best. } (19... f4 20. Qc4 c5 21. Rg1 fxg3 22. Rxg3 Qg6 23. Qxc5 Qe4+ 24. Kd2 Qxd5 25. Qxd5 exd5 26. Rxg5) 20. c4?! { (-5.55 → -9.39) Inaccuracy. Qe3+ was best. } (20. Qe3+ Kf7 21. Qxg5 Nf6 22. Qxh5+ Nxh5 23. Bd6 Nf6 24. Ne5+ Ke6 25. Ba3 Rg8 26. Rh1 h5) 20... dxc4 21. Qxc4 f4? { (-6.53 → -3.89) Mistake. Ne7 was best. } (21... Ne7 22. Bd6 a5 23. Qb3 Nd5 24. c4 Nf6 25. Re1 Kf7 26. Kd2 Re8 27. c5+ Kg7 28. Rxe8) 22. Qxc6+ Kd8?! { (-3.85 → -2.79) Inaccuracy. Kf8 was best. } (22... Kf8) 23. Qxa8? { (-2.79 → -4.52) Mistake. Qd5+ was best. } (23. Qd5+ Ke8) 23... fxg3?? { (-4.52 → -1.83) Blunder. Nf6 was best. } (23... Nf6 24. Kd2) 24. fxg3?? { (-1.83 → -5.84) Blunder. Qd5+ was best. } (24. Qd5+ Ke8) 24... Qe8+?? { (-5.84 → -2.57) Blunder. Nf6 was best. } (24... Nf6) 25. Kd3? { (-2.57 → -5.08) Mistake. Ne5 was best. } (25. Ne5) 25... Qb5+ 26. Kd2 Qb4+ 27. Kd1?! { (-5.20 → -7.89) Inaccuracy. Kd3 was best. } (27. Kd3 Ne7) 27... Qb2?? { (-7.89 → -1.16) Blunder. Ne7 was best. } (27... Ne7 28. Ke2 Qc4+ 29. Kd2 g4 30. Re1 Qb4+ 31. Kd3 gxf3 32. Rxe7 Kxe7 33. Qxf3 Be6 34. Qe4) 28. Rc1?? { (-1.16 → -7.37) Blunder. Qd5+ was best. } (28. Qd5+ Bd7 29. Qa5+ Kc8 30. Qxa6+ Qb7 31. Qxb7+ Kxb7 32. Kd2 Nf6 33. Nxg5 Rg8 34. Rf1 Rg6) 28... Kc7?? { (-7.37 → -0.06) Blunder. Ne7 was best. } (28... Ne7 29. Kd2) 29. Nxg5?? { (-0.06 → -10.00) Blunder. Qa7+ was best. } (29. Qa7+ Qb7 30. Qc5+ Kb8 31. Qe5+ Ka8 32. Kd2 Qxf3 33. Rb1 Qg2+ 34. Kc3 Bb7 35. Qxh8 Qxg3+) 29... h6?? { (-10.00 → 0.00) Blunder. Bg4+ was best. } (29... Bg4+ 30. Nf3 Qxd4+ 31. Ke2 Nh6 32. Qxh8 Qxh8 33. Rh1 Qc3 34. Rxh6 Qxf3+ 35. Kd2 Qf2+ 36. Kc3) 30. Nf7?? { (0.00 → -11.15) Blunder. Qa7+ was best. } (30. Qa7+ Qb7 31. Qc5+ Kd7 32. Qf5+ Ke8 33. Qe5+ Kf8 34. Qxh8 hxg5 35. Qe5 Qg2 36. Qxg5 Bb7) 30... Rh7?? { (-11.15 → -1.90) Blunder. Qxd4+ was best. } (30... Qxd4+) 31. Qd5 Nf6?? { (-2.02 → 1.67) Blunder. Kb8 was best. } (31... Kb8 32. Kd2) 32. Qd6+?? { (1.67 → 0.00) Blunder. Qe5+ was best. } (32. Qe5+ Kb7) 32... Kb7 33. Qd5+?? { (0.00 → Mate in 7) Checkmate is now unavoidable. Qxf6 was best. } (33. Qxf6 Bg4+ 34. Kd2 Qb4+ 35. c3 Qb2+ 36. Rc2 Qb1 37. Qe7+ Kb8 38. Qf8+ Ka7 39. Qc5+ Kb8) 33... Kc7?? { (Mate in 7 → 1.65) Lost forced checkmate sequence. Nxd5 was best. } (33... Nxd5 34. Nd6+ Kb8 35. Ke2 Qxc1 36. g4 Qe3+ 37. Kf1 Qf3+ 38. Kg1 Ne3 39. Nxc8 Qg2#) 34. Qd6+?? { (1.65 → 0.00) Blunder. Qe5+ was best. } (34. Qe5+ Kb7 35. Nd6+ Ka8 36. Nxc8 Rd7 37. Nd6 Qb6 38. Qxf6 Rxd6 39. Qf8+ Ka7 40. Qe7+ Ka8) 34... Kb7 35. Ne5?? { (0.32 → -2.77) Blunder. Qxf6 was best. } (35. Qxf6 Ka8) 35... Ne4?? { (-2.77 → 1.94) Blunder. Qb6 was best. } (35... Qb6 36. Qxb6+) 36. Qd5+ Kc7?? { (2.20 → 4.51) Blunder. Ka7 was best. } (36... Ka7 37. Qxe4) 37. Qxe4 Re7 38. Qc6+?! { (5.00 → 3.50) Inaccuracy. Kd2 was best. } (38. Kd2 Rg7 39. Nd3 Qb5 40. Qf4+ Kb7 41. a4 Qa5+ 42. c3 Qg5 43. Rb1+ Kc6 44. Qxg5 Rxg5) 38... Kd8?? { (3.50 → 7.96) Blunder. Kb8 was best. } (38... Kb8) 39. Nc4?? { (7.96 → Mate in 3) Checkmate is now unavoidable. Qd6+ was best. } (39. Qd6+ Ke8) 39... Qxd4+ 40. Nd2 Qe3?? { (Mate in 2 → -0.30) Lost forced checkmate sequence. Bg4+ was best. } (40... Bg4+ 41. Qf3 Bxf3#) 41. Rb1?? { (-0.30 → Mate in 1) Checkmate is now unavoidable. Qd5+ was best. } (41. Qd5+ Rd7) 41... Qe1# { Black wins by checkmate. } 0-1