[Event "Политехники против Преподавателя simul"] [Site "https://lichess.org/yGweS0md"] [Date "2023.10.29"] [White "PavelMart"] [Black "R-23"] [Result "1-0"] [UTCDate "2023.10.29"] [UTCTime "17:00:46"] [WhiteElo "1004"] [BlackElo "1784"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "900+0"] [ECO "C62"] [Opening "Ruy Lopez: Steinitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 { C62 Ruy Lopez: Steinitz Defense } 4. d4 Bg4 5. d5 a6 6. Ba4 b5 7. Bb3? { (0.79 → -0.31) Mistake. dxc6 was best. } (7. dxc6 bxa4 8. c4 a3 9. Nxa3 Rb8 10. Nb1 Rb4 11. b3 Ne7) 7... Na5 8. h3 Bd7 9. Nc3 Nf6 10. Bg5?! { (-0.21 → -0.86) Inaccuracy. a3 was best. } (10. a3 Nxb3 11. cxb3 Be7 12. b4 O-O 13. O-O Ne8 14. Nd2 Bg5 15. Nb3 f5 16. exf5 Rxf5) 10... Be7 11. Bxf6 Bxf6 12. O-O O-O 13. Ne2 h6 14. Ng3 Nb7 15. c3 Nc5 16. Bc2 Bc8 17. b4 Nd7 18. a4 Bb7?! { (0.64 → 1.26) Inaccuracy. Nb6 was best. } (18... Nb6 19. Qd3 Nxa4 20. Bxa4 bxa4 21. Rxa4 Rb8 22. Rfa1 g6 23. Nd2 Bg7 24. Ngf1 f5 25. Nc4) 19. axb5 axb5 20. Qd3 c5 21. Qxb5 Rxa1?! { (1.43 → 2.18) Inaccuracy. Qc7 was best. } (21... Qc7 22. Nf5 cxb4 23. cxb4 Rfb8 24. Rfc1 Rxa1 25. Rxa1 Nb6 26. Ra7 Kf8 27. Bd3 h5 28. Nd2) 22. Rxa1 Qc7 23. Qa5? { (2.53 → 0.84) Mistake. Ra7 was best. } (23. Ra7 Rb8 24. Qa5 Qc8 25. Ba4 Bd8 26. Nf5 Bxa5 27. Ne7+ Kh7 28. Nxc8 Bxc8 29. bxa5 Rb1+) 23... Nb6 24. bxc5?? { (0.96 → -1.49) Blunder. Qb5 was best. } (24. Qb5) 24... Qxc5?? { (-1.49 → 3.70) Blunder. Ra8 was best. } (24... Ra8 25. cxb6 Rxa5 26. Rxa5 Qxb6 27. Ra2 Qc5 28. Nf5 g6 29. Nxh6+ Kg7 30. Ng4 Bd8 31. Rb2) 25. Qxc5 dxc5 26. Rb1 Bd8 27. Nxe5 Bc8 28. Nc6 Bc7 29. d6 Bxd6 30. Rxb6 Bd7 31. Na7 Bxg3 32. fxg3 Be6 33. Nb5 Rd8 34. Nd6 g5 35. e5 Kg7 36. g4 Ra8 37. Bf5 Bd5 38. Be4 Bxe4 39. Nxe4 Re8 40. Nd6 Rxe5 41. Nf5+ Kh7 42. Rb7 Kg6 43. Rc7 Re1+ 44. Kf2 Rc1 45. Rc6+ Kh7 46. Rxh6+ Kg8 47. Rh5 f6 48. Rh6 Rc2+ 49. Ke3 Kf7 50. Rh7+ Kg8 51. Rc7 Rxc3+ 52. Ke4 Rc2 53. Kd5 Rxg2 54. Ke6 Re2+ 55. Kxf6 Ra2? { (8.28 → Mate in 4) Checkmate is now unavoidable. Kf8 was best. } (55... Kf8 56. Rc8+ Re8 57. Rxc5 Rb8 58. Rc6 Ke8 59. Rd6 Rc8 60. Kxg5 Rc3 61. h4 Rc4 62. Rf6) 56. Rc8+ Kh7 57. Rc7+ Kg8? { (9.21 → Mate in 4) Checkmate is now unavoidable. Kh8 was best. } (57... Kh8 58. Rxc5) 58. Nh6+ Kh8 59. Nf7+ Kg8 60. Nh6+ Kh8 61. Kxg5? { (Mate in 3 → 7.22) Lost forced checkmate sequence. Nf7+ was best. } (61. Nf7+ Kg8 62. Rc8+ Kh7 63. Rh8#) 61... Ra6 62. Nf5 c4? { (7.54 → Mate in 12) Checkmate is now unavoidable. Kg8 was best. } (62... Kg8 63. Ne7+ Kf7 64. Ng6+ Ke6 65. Rxc5 Kf7 66. Rc6 Ra3 67. h4 Ra5+ 68. Kh6 Ke8 69. Rf6) 63. h4? { (Mate in 12 → 8.46) Lost forced checkmate sequence. Ne7 was best. } (63. Ne7 c3 64. Ng6+ Kg8 65. Kh6 Rxg6+ 66. Kxg6 Kf8 67. g5 c2 68. Kf6 Ke8 69. g6 c1=Q) 63... c3 64. Rxc3 Ra8 65. h5 Rg8+?! { (36.37 → Mate in 17) Checkmate is now unavoidable. Ra5 was best. } (65... Ra5 66. Rc8+ Kh7 67. Rc7+ Kg8 68. Rd7 Re5 69. Rd8+ Kh7 70. Rd6 Re4 71. Rd7+ Kg8 72. Ne7+) 66. Kh6 Ra8 67. g5 Ra6+ 68. g6 Ra8 69. g7+ Kg8 70. Ne7+ Kf7 71. g8=Q+ Rxg8 72. Nxg8 Kxg8 73. Kg6 Kf8 74. Rc7 Ke8 75. h6 Kd8 76. Rg7 Ke8 77. h7 { Black resigns. } 1-0