[Event "Casual rapid game"] [Site "https://lichess.org/tMgoGZiT"] [Date "2024.05.05"] [White "lichess AI level 4"] [Black "Sergey-Korshunov"] [Result "0-1"] [UTCDate "2024.05.05"] [UTCTime "19:47:38"] [WhiteElo "?"] [BlackElo "1673"] [Variant "Standard"] [TimeControl "1200+0"] [ECO "A04"] [Opening "Zukertort Opening: Polish Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 b5 { A04 Zukertort Opening: Polish Defense } 2. g3 d5 3. Bg2 Bb7 4. O-O Nc6 5. Ng5?! { (1.02 → 0.17) Inaccuracy. d3 was best. } (5. d3) 5... Nh6? { (0.17 → 1.38) Mistake. e5 was best. } (5... e5 6. d3) 6. d3 f6?? { (1.24 → 3.54) Blunder. e6 was best. } (6... e6 7. e4) 7. Ne6 Qd7?! { (3.44 → 5.06) Inaccuracy. Qd6 was best. } (7... Qd6 8. Bxd5 Nd8 9. Bf4 Nxe6 10. Bxd6 Bxd5 11. e4 Bc6 12. Bb4 Nf7 13. a4 a5 14. Bd2) 8. Nc5 Qc8 9. Nxb7 Qxb7 10. Bxd5 O-O-O 11. c4 Qb6 12. e4?! { (4.38 → 3.03) Inaccuracy. Nc3 was best. } (12. Nc3 e6 13. Bxe6+ Kb8 14. Bxh6 gxh6 15. cxb5 Ne5 16. Bh3 h5 17. a4 f5 18. a5 Qg6) 12... Nd4 13. Bxh6?! { (3.44 → 2.52) Inaccuracy. Be3 was best. } (13. Be3 e6 14. Bxd4 Qxd4 15. Bxe6+ Kb8 16. Nc3 Qd6 17. Bh3 bxc4 18. d4 Nf7 19. Qh5 g6) 13... gxh6 14. a4?! { (2.60 → 1.57) Inaccuracy. cxb5 was best. } (14. cxb5 e6 15. Bc4 f5 16. Nc3 f4 17. Ne2 Nxe2+ 18. Qxe2 Kb8 19. Kh1 Bc5 20. gxf4 Rhf8) 14... b4 15. a5 Qc5 16. Nd2 e6 17. Nb3 Nxb3 18. Bxe6+ Kb8 19. Qxb3 Qd4?! { (2.87 → 4.45) Inaccuracy. Rd4 was best. } (19... Rd4 20. Kg2 a6 21. Bf5 Bd6 22. Qc2 c6 23. Qd2 Be5 24. Rfd1 Rhd8 25. Qe3 h5 26. h4) 20. Bd5 Bc5 21. a6 Rd6 22. Ra4?! { (3.89 → 2.54) Inaccuracy. Ra5 was best. } (22. Ra5 Rhd8 23. Rb5+ Kc8 24. Qd1 Rf8 25. Qf3 Rb6 26. b3 Rxb5 27. cxb5 Kd8 28. Kg2 Qe5) 22... Rhd8?! { (2.54 → 3.40) Inaccuracy. Rb6 was best. } (22... Rb6 23. Ra5 c6 24. Be6 Re8 25. Bf5 Kc7 26. Kg2 Rd8 27. Bxh7 Rbb8 28. Bg6 Kb6 29. Raa1) 23. h4?! { (3.40 → 2.41) Inaccuracy. Rxb4+ was best. } (23. Rxb4+ Bxb4 24. Qxb4+ Rb6 25. Qe7 Rc8 26. b4 Rxa6 27. b5 Rd6 28. Kg2 Qxd3 29. Qxh7 Qe2) 23... c6? { (2.41 → 4.04) Mistake. Rb6 was best. } (23... Rb6 24. Ra5) 24. e5?! { (4.04 → 2.56) Inaccuracy. Rxb4+ was best. } (24. Rxb4+ Bxb4 25. Qxb4+ Qb6 26. Qc3 R6d7 27. c5 Qc7 28. Be6 Rxd3 29. Qxf6 h5 30. Bf5 Rd2) 24... fxe5 25. Be4 R8d7 26. Rxb4+ Bxb4 27. Bf5?? { (2.56 → -3.04) Blunder. Qxb4+ was best. } (27. Qxb4+ Qb6 28. Qc3 Qd4 29. Bf5 Qxc3 30. bxc3 Rd8 31. Rb1+ Ka8 32. Rb7 Rf6 33. Be4 Rb8) 27... Rd8?? { (-3.04 → 3.21) Blunder. Qb6 was best. } (27... Qb6 28. Bxd7 Rxd7 29. Kh2 Kc7 30. Kg2 Bc5 31. Qc3 Bd4 32. Qe1 h5 33. b4 Qxa6 34. Qe4) 28. Qxb4+ Qb6 29. Qa3 c5 30. Re1 Re8 31. h5?! { (2.82 → 1.80) Inaccuracy. Qc3 was best. } (31. Qc3 Rdd8 32. Rxe5 Rxe5 33. Qxe5+ Qd6 34. Qe3 Qxa6 35. Qxc5 Qa1+ 36. Kg2 Qxb2 37. Bxh7 Qb6) 31... Qb4 32. Rb1? { (2.20 → 0.79) Mistake. Qa1 was best. } (32. Qa1) 32... Rf8 33. Be4?! { (0.81 → 0.00) Inaccuracy. g4 was best. } (33. g4) 33... Rb6?! { (0.00 → 0.61) Inaccuracy. Qxa3 was best. } (33... Qxa3) 34. Qa1 Rff6?? { (0.08 → 2.30) Blunder. Qd2 was best. } (34... Qd2) 35. b3 Rxa6? { (2.09 → 3.91) Mistake. Rfe6 was best. } (35... Rfe6) 36. Qb2? { (3.91 → 2.08) Mistake. Qxe5+ was best. } (36. Qxe5+ Rad6 37. Qe8+ Kc7 38. Qe7+ Kb8 39. d4 Rfe6 40. Qf8+ Kc7 41. Bf5 Re1+ 42. Rxe1 Qxe1+) 36... Rfe6 37. Bd5 Re7 38. Qe2 Ra3? { (1.76 → 3.70) Mistake. Kc7 was best. } (38... Kc7 39. Qf3 Qb6 40. Qf8 Qf6 41. Qa8 Qb6 42. Bg2 Ra3 43. Qe4 a5 44. Qa8 a4 45. Qf8) 39. Qe3? { (3.70 → 1.90) Mistake. Qf3 was best. } (39. Qf3 Re8 40. Qf7 Rd8 41. Qe7 Qb6 42. b4 e4 43. Qe5+ Kc8 44. Bxe4 a5 45. b5 a4) 39... Rxb3?! { (1.90 → 2.91) Inaccuracy. Qb6 was best. } (39... Qb6 40. Qc1 Ra5 41. Qe1 Qb4 42. Qe4 Qb6 43. Re1 Qf6 44. Re3 Qg5 45. Qf3 Re8 46. Kg2) 40. Rxb3 Qxb3 41. Kh2?? { (3.17 → 0.00) Blunder. Qxc5 was best. } (41. Qxc5 Rc7 42. Qf8+ Rc8 43. Qxh6 Qb6 44. Qxh7 Rf8 45. Kg2 Qxf2+ 46. Kh3 Qf1+ 47. Kh4 Qf6+) 41... Qb6 42. Qf3?! { (0.00 → -0.73) Inaccuracy. Bg2 was best. } (42. Bg2 a6 43. Qf3 Qd6 44. Qa8+ Kc7 45. Qb7+ Kd8 46. Qa8+ Kc7) 42... Rd7 43. Qe2 Re7 44. Qf3?! { (0.00 → -0.85) Inaccuracy. Bg2 was best. } (44. Bg2 a6 45. Qf3 Qd6 46. Qa8+ Kc7 47. Qb7+ Kd8 48. Qa8+ Kc7) 44... Rc7?! { (-0.85 → 0.07) Inaccuracy. Qd6 was best. } (44... Qd6) 45. Qg4 a5 46. Qf3?! { (0.00 → -1.01) Inaccuracy. Qg8+ was best. } (46. Qg8+ Rc8 47. Qxh7 a4 48. Qd7 Qa6 49. Qe7 a3 50. Qxe5+ Ka7 51. Qg7+ Kb8 52. Qe5+) 46... a4?! { (-1.01 → 0.00) Inaccuracy. Ka7 was best. } (46... Ka7) 47. Qd1? { (0.00 → -1.32) Mistake. Qf8+ was best. } (47. Qf8+ Rc8 48. Qf5 a3 49. Qd7 Qa6 50. Qe7 a2 51. Qxe5+ Rc7 52. Qh8+ Ka7 53. Qa8+ Kb6) 47... a3? { (-1.32 → 0.00) Mistake. Ra7 was best. } (47... Ra7) 48. Qh1?? { (0.00 → -3.68) Blunder. Qa4 was best. } (48. Qa4 Ra7 49. Qe8+ Kc7 50. Qe7+ Kb8 51. Qxe5+ Rc7 52. Qe8+ Rc8 53. Qa4 Qa7 54. Qb5+ Kc7) 48... a2 49. Qc1 Qb1 50. Qh1?? { (-3.51 → -7.25) Blunder. Qxh6 was best. } (50. Qxh6 a1=Q 51. Qd6 Qg1+ 52. Kh3 Qh1+ 53. Bxh1 Qxh1+ 54. Kg4 Kb7 55. Qxe5 Qd1+ 56. Kh4 Qxd3) 50... a1=Q 51. g4?? { (-6.92 → Mate in 7) Checkmate is now unavoidable. Qg2 was best. } (51. Qg2 Qf1 52. f3 Qxg2+ 53. Kxg2 Qd1 54. Kf2 Qxd3 55. Ke1 e4 56. Bxe4 Re7 57. g4) 51... Qxh1+ 52. Bxh1 Qd4? { (Mate in 7 → -7.68) Lost forced checkmate sequence. Ra7 was best. } (52... Ra7 53. Kg3 Ra2 54. g5 Qd4 55. Bf3 hxg5 56. Be2 Rxe2 57. Kh2 Qxf2+ 58. Kh3 Qh4#) 53. Be4? { (-7.68 → Mate in 6) Checkmate is now unavoidable. f3 was best. } (53. f3 Qxd3 54. Bg2 Qxc4 55. Kh3 Qc1 56. Kg3 Ka7 57. g5 hxg5 58. Bh3 e4 59. Bf5 Qf4+) 53... Qxf2+ 54. Kh1 Qg3 55. Bf5 Rb7 56. d4 exd4 57. Bc2 Rb2 58. g5 Rxc2 59. gxh6 Qg2# { Black wins by checkmate. } 0-1