[Event "MatyuninChess 28"] [Site "https://lichess.org/tnt5IumY"] [Date "2024.04.21"] [White "double11"] [Black "Slava_IgoryNemsovu"] [Result "1-0"] [UTCDate "2024.04.21"] [UTCTime "17:34:28"] [WhiteElo "2641"] [BlackElo "2255"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-3"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D94"] [Opening "Grünfeld Defense: Opocensky Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 O-O 6. Bd2 { D94 Grünfeld Defense: Opocensky Variation } c5 7. dxc5 Na6 8. Nxd5 Nxd5 9. cxd5 Qxd5 10. Bxa6 bxa6 11. Bc3 Qxc5 12. Bxg7 Kxg7 13. Qd4+ Qxd4 14. Nxd4 e5 15. Nf3 f6 16. O-O Be6 17. Rfc1 Rac8 18. b3 a5 19. Kf1 Kf7 20. Ke1 Ke7 21. Nd2 Rfd8 22. g3 g5 23. Ne4 Bf5 24. Nc5 Rc6 25. e4 Bg4 26. Na4?! { (-0.05 → -1.06) Inaccuracy. Rc3 was best. } (26. Rc3 Bf3 27. Rxf3 Rxc5 28. Rd1 Rxd1+ 29. Kxd1 g4 30. Rf5 Kf7 31. h3 gxh3 32. Rh5 Kg6) 26... Rxc1+ 27. Rxc1 Rd4 28. Rc4?? { (-0.90 → Mate in 1) Checkmate is now unavoidable. Nc3 was best. } (28. Nc3) 28... Rxc4?? { (Mate in 1 → 0.00) Lost forced checkmate sequence. Rd1# was best. } (28... Rd1#) 29. bxc4 Be6 30. Nb2 Kd6 31. Kd2 Kc5 32. Kc3 h6 33. Nd3+ Kc6 34. a3?! { (0.79 → 0.00) Inaccuracy. f4 was best. } (34. f4 gxf4 35. gxf4 Kd6 36. f5 Bf7 37. a3 Bh5 38. Ne1 Bd1 39. Kd2 Bb3 40. Ng2 Bxc4) 34... Bf7 35. f3 Bh5 36. g4 Bf7 37. Nc1 a4?! { (0.00 → 0.73) Inaccuracy. h5 was best. } (37... h5 38. h3 h4 39. Nd3 Be6 40. Nb2 Bd7 41. Na4 Kd6 42. Kb3 Bc6 43. c5+ Kd7 44. Nc3) 38. Nd3 Kb6? { (0.70 → 2.44) Mistake. a5 was best. } (38... a5 39. Nb2) 39. Kb4?? { (2.44 → 0.26) Blunder. Nb4 was best. } (39. Nb4) 39... a5+ 40. Kc3 Be6?? { (0.26 → 2.15) Blunder. h5 was best. } (40... h5 41. Nb2) 41. Nb2 Bd7?! { (2.10 → 2.82) Inaccuracy. Kc6 was best. } (41... Kc6 42. Nd1 Bf7 43. Ne3 h5 44. Nd5 h4 45. Nxf6 Bg6 46. Kd3 Kd6 47. Nd5 Bf7 48. Nc3) 42. Nd1 Kc5 43. Nf2? { (2.46 → 1.10) Mistake. Ne3 was best. } (43. Ne3 Be8 44. Nd5 Bf7 45. Nxf6 Be6 46. Nd5 Bf7 47. Ne3 Bg6 48. Nd1 Kd6 49. Kd2 Kc5) 43... Be6?! { (1.10 → 2.03) Inaccuracy. Be8 was best. } (43... Be8 44. Nd1 h5 45. Ne3 hxg4 46. Nxg4 Bh5 47. Nxf6 Bxf3 48. Kd3 Bd1 49. Nh7 Bb3 50. Kc3) 44. Nd3+ Kb6 45. Nb2 Bd7 46. Kd2? { (2.46 → 0.79) Mistake. Nd1 was best. } (46. Nd1) 46... Kc5 { Black offers draw } 47. Kd3 Kb6? { (1.03 → 2.36) Mistake. Be8 was best. } (47... Be8 48. Nd1) 48. Kc3 Kc5 49. Nd3+? { (2.09 → 0.68) Mistake. Nd1 was best. } (49. Nd1) 49... Kb6? { (0.68 → 2.43) Mistake. Kd6 was best. } (49... Kd6 50. Nf2) 50. Nf2 Kc5 51. Nd1 Be6?! { (2.25 → 3.38) Inaccuracy. Bc8 was best. } (51... Bc8 52. Ne3) 52. Ne3 Bc8 53. Nd5 Ba6 54. Nxf6 Bxc4?! { (3.75 → 4.77) Inaccuracy. Bc8 was best. } (54... Bc8 55. Ng8) 55. Nd7+ Kb5 56. Nxe5 Be2 57. Kd2 Bf1 58. Ke3 Kc5 59. f4 gxf4+ 60. Kxf4 Kd4 61. h4 Kc3 62. g5 hxg5+ 63. hxg5 Kb2 64. g6 Kxa3?? { (6.87 → Mate in 39) Checkmate is now unavoidable. Bh3 was best. } (64... Bh3 65. Ng4 Bf1 66. Ne3 Bh3 67. Nf5 Bf1 68. Nd6 Kxa3 69. g7 Kb2 70. g8=Q Bd3 71. Qh8+) 65. g7 Kb2? { (8.83 → Mate in 11) Checkmate is now unavoidable. Kb4 was best. } (65... Kb4 66. g8=Q a3 67. Nc6+ Kb5 68. Qd5+ Kb6 69. Nd8 a4 70. Qc6+ Ka5 71. Qc5+ Ka6 72. Qxa3) 66. g8=Q a3 67. Qb8+ Ka1 68. Qb3 a2 69. Qc2 Bd3 70. Nxd3 a4 { Black offers draw } 71. Qc1# { White wins by checkmate. } 1-0