Event: Round 14: Jonas Markgraf - Alexander, Prof. Dr. Ivanov
Date: 2024-01-01
White: Jonas Markgraf
Black: Alexander, Prof. Dr. Ivanov
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard

1. e4 { [%eval 0.2] [%clk 0:03:02] } 1... c5 { [%eval 0.33] [%clk 0:03:04] } 2. Nf3 { [%eval 0.17] [%clk 0:03:04] } 2... Nc6 { [%eval 0.29] [%clk 0:03:05] } 3. Nc3 { [%eval 0.23] [%clk 0:03:03] } 3... Nf6 { [%eval 0.13] [%clk 0:03:04] } 4. Bb5 { [%eval 0.34] [%clk 0:03:05] } 4... Qc7 { [%eval 0.54] [%clk 0:03:02] } 5. O-O { [%eval 0.39] [%clk 0:03:03] } 5... d6?! { [%eval 1.38] } { Inaccuracy. e5 was best. } { [%clk 0:02:37] } 6. Nd5 { [%eval 0.95] [%clk 0:03:02] } 6... Nxd5 { [%eval 0.89] [%clk 0:02:13] } 7. exd5 { [%eval 0.88] [%clk 0:03:02] } 7... a6 { [%eval 0.87] [%clk 0:02:15] } 8. Ba4?! { [%eval -0.16] } { Inaccuracy. Be2 was best. } { [%clk 0:02:44] } 8... b5 { [%eval -0.11] [%clk 0:02:08] } 9. Bxb5?! { [%eval -0.98] } { Inaccuracy. Bb3 was best. } { [%clk 0:02:36] } 9... axb5 { [%eval -0.84] [%clk 0:02:07] } 10. dxc6 { [%eval -0.84] [%clk 0:02:36] } 10... Qxc6 { [%eval -0.82] [%clk 0:01:58] } 11. d4 { [%eval -0.82] [%clk 0:02:38] } 11... Bg4?! { [%eval -0.16] } { Inaccuracy. Bb7 was best. } { [%clk 0:01:28] } 12. d5 { [%eval -0.16] [%clk 0:02:38] } 12... Qd7 { [%eval 0.15] [%clk 0:01:17] } 13. h3 { [%eval 0.04] [%clk 0:02:36] } 13... Bxf3 { [%eval 0.03] [%clk 0:00:53] } 14. Qxf3 { [%eval -0.01] [%clk 0:02:37] } 14... g6 { [%eval 0.0] [%clk 0:00:45] } 15. Bg5 { [%eval -0.1] [%clk 0:02:37] } 15... h6 { [%eval -0.06] [%clk 0:00:13] } 16. Qc3 { [%eval -0.53] [%clk 0:02:20] } 16... Rg8 { [%eval -0.45] [%clk 0:00:07] } 17. Bd2 { [%eval -0.94] [%clk 0:02:15] } 17... Bg7 { [%eval -0.95] [%clk 0:00:08] } 18. Qd3 { [%eval -0.9] [%clk 0:01:59] } 18... Kf8?! { [%eval -0.14] } { Inaccuracy. Bxb2 was best. } { [%clk 0:00:07] } 19. c3 { [%eval -0.21] [%clk 0:01:58] } 19... Rb8 { [%eval 0.0] [%clk 0:00:04] } 20. Rfe1 { [%eval -0.14] [%clk 0:01:44] } 20... Qf5?! { [%eval 0.42] } { Inaccuracy. Rh8 was best. } { [%clk 0:00:04] } 21. Qg3? { [%eval -1.03] } { Mistake. Qxf5 was best. } { [%clk 0:01:35] } 21... g5 { [%eval -0.69] [%clk 0:00:04] } 22. Re2?! { [%eval -1.8] } { Inaccuracy. Qe3 was best. } { [%clk 0:01:29] } 22... Be5?! { [%eval -0.82] } { Inaccuracy. Qxd5 was best. } { [%clk 0:00:05] } 23. Qg4 { [%eval -0.76] [%clk 0:01:07] } 23... Qxg4 { [%eval -0.39] [%clk 0:00:05] } 24. hxg4 { [%eval -0.46] [%clk 0:01:09] } 24... Kg7 { [%eval -0.46] [%clk 0:00:03] } 25. g3 { [%eval -0.36] [%clk 0:01:06] } 25... Ra8 { [%eval -0.26] [%clk 0:00:03] } 26. f4 { [%eval -0.33] [%clk 0:01:05] } 26... gxf4 { [%eval -0.26] [%clk 0:00:04] } 27. gxf4 { [%eval -0.31] [%clk 0:01:03] } 27... Bf6 { [%eval -0.28] [%clk 0:00:05] } 28. g5? { [%eval -1.43] } { Mistake. a3 was best. } { [%clk 0:01:00] } 28... hxg5 { [%eval -1.44] [%clk 0:00:06] } 29. fxg5 { [%eval -1.46] [%clk 0:01:01] } 29... Kf8?! { [%eval -0.86] } { Inaccuracy. Be5 was best. } { [%clk 0:00:07] } 30. Rg2 { [%eval -1.11] [%clk 0:00:58] } 30... Be5 { [%eval -1.02] [%clk 0:00:09] } 31. Rg4?! { [%eval -1.67] } { Inaccuracy. a3 was best. } { [%clk 0:00:49] } 31... Rg6?! { [%eval -0.63] } { Inaccuracy. Rh8 was best. } { [%clk 0:00:10] } 32. a3 { [%eval -0.65] [%clk 0:00:47] } 32... Kg7 { [%eval -0.39] [%clk 0:00:12] } 33. Kg2 { [%eval -0.54] [%clk 0:00:47] } 33... Rh8 { [%eval -0.2] [%clk 0:00:13] } 34. Rh1 { [%eval -0.17] [%clk 0:00:43] } 34... Rxh1 { [%eval -0.2] [%clk 0:00:14] } 35. Kxh1 { [%eval -0.22] [%clk 0:00:45] } 35... f6 { [%eval 0.0] [%clk 0:00:08] } 36. Rg2? { [%eval -1.22] } { Mistake. gxf6+ was best. } { [%clk 0:00:40] } 36... fxg5?! { [%eval -0.49] } { Inaccuracy. Kf7 was best. } { [%clk 0:00:07] } 37. Rxg5 { [%eval -0.3] [%clk 0:00:41] } 37... Rxg5 { [%eval -0.26] [%clk 0:00:07] } 38. Bxg5 { [%eval -0.29] [%clk 0:00:42] } 38... Kf7 { [%eval -0.1] [%clk 0:00:04] } 39. Bd2 { [%eval -0.3] [%clk 0:00:39] } 39... Kf6 { [%eval 0.03] [%clk 0:00:04] } 40. Kg2 { [%eval -0.13] [%clk 0:00:40] } 40... Kf5 { [%eval -0.02] [%clk 0:00:06] } 41. Kf3 { [%eval 0.0] [%clk 0:00:41] } 41... Bg7?? { [%eval 3.68] } { Blunder. Bf6 was best. } { [%clk 0:00:05] } 42. Bf4?? { [%eval -0.03] } { Blunder. c4 was best. } { [%clk 0:00:34] } 42... b4 { [%eval 0.0] [%clk 0:00:04] } 43. Bd2 { [%eval -0.28] [%clk 0:00:23] } 43... bxc3 { [%eval -0.4] [%clk 0:00:04] } 44. bxc3 { [%eval -0.35] [%clk 0:00:17] } 44... Ke5 { [%eval -0.39] [%clk 0:00:05] } 45. c4?? { [%eval -4.44] } { Blunder. a4 was best. } { [%clk 0:00:17] } 45... Kd4 { [%eval -4.19] [%clk 0:00:06] } 46. a4 { [%eval -4.67] [%clk 0:00:17] } 46... Kxc4 { [%eval -4.54] [%clk 0:00:07] } 47. a5 { [%eval -5.33] [%clk 0:00:19] } 47... Kb5 { [%eval -5.91] [%clk 0:00:08] } 48. Ke4 { [%eval -6.07] [%clk 0:00:17] } 48... c4 { [%eval -6.32] [%clk 0:00:09] } 49. Kf5 { [%eval -6.51] [%clk 0:00:18] } 49... c3 { [%eval -6.38] [%clk 0:00:10] } 50. Bc1 { [%eval -6.5] [%clk 0:00:20] } 50... Kxa5 { [%eval -6.95] [%clk 0:00:10] } 51. Ke6 { [%eval -6.63] [%clk 0:00:21] } 51... Bf6 { [%eval -7.06] [%clk 0:00:12] } 52. Kd7 { [%eval -7.07] [%clk 0:00:22] } 52... Kb4 { [%eval -7.01] [%clk 0:00:13] } 53. Kc6?! { [%eval -35.28] } { Inaccuracy. Ke6 was best. } { [%clk 0:00:23] } 53... Kb3 { [%eval -8.56] [%clk 0:00:14] } 54. Kb5 { [%eval -36.41] [%clk 0:00:24] } 54... Kc2 { [%eval -11.44] [%clk 0:00:16] } 55. Bf4 { [%eval -36.32] [%clk 0:00:25] } 55... Kd1 { [%eval -36.47] [%clk 0:00:16] } 56. Kc4 { [%eval -43.07] [%clk 0:00:25] } 56... c2 { [%eval -39.07] [%clk 0:00:18] } 57. Kd3 { [%eval -42.7] [%clk 0:00:26] } 57... c1=Q { [%eval -45.11] [%clk 0:00:18] } 58. Bxc1 { [%eval #-28] [%clk 0:00:27] } 58... Kxc1 { [%eval #-30] [%clk 0:00:19] } 59. Ke4 { [%eval #-34] [%clk 0:00:29] } 59... Kc2?! { [%eval -85.55] } { Lost forced checkmate sequence. Kd2 was best. } { [%clk 0:00:20] } 60. Ke3 { [%eval -45.46] [%clk 0:00:29] } 60... Kc3 { [%eval -45.4] [%clk 0:00:21] } 61. Kf4 { [%eval #-20] [%clk 0:00:30] } 61... Kc4 { [%eval #-22] [%clk 0:00:22] } 62. Kf5 { [%eval #-20] [%clk 0:00:32] } 62... Kxd5 { [%eval #-19] [%clk 0:00:23] } 63. Kf4 { [%eval #-16] [%clk 0:00:33] } 63... e5+ { [%eval #-15] [%clk 0:00:24] } 64. Kf5 { [%eval #-19] [%clk 0:00:34] } 64... Kd4 { [%eval #-14] [%clk 0:00:26] } 65. Kxf6 { [%eval #-13] [%clk 0:00:35] } 65... e4 { [%eval #-12] [%clk 0:00:27] } 66. Kf5 { [%eval #-12] [%clk 0:00:36] } 66... e3 { [%eval #-11] [%clk 0:00:29] } 67. Kf4 { [%eval #-11] [%clk 0:00:36] } 67... e2 { [%eval #-10] [%clk 0:00:30] } 68. Kf3 { [%eval #-6] [%clk 0:00:37] } 68... e1=Q { [%eval #-5] [%clk 0:00:30] } 69. Kf4 { [%eval #-5] [%clk 0:00:38] } 69... Qe4+ { [%eval #-4] [%clk 0:00:31] } 70. Kg3 { [%eval #-4] [%clk 0:00:40] } 70... Ke5 { [%eval #-4] [%clk 0:00:32] } 71. Kf2 { [%eval #-4] [%clk 0:00:41] } 71... Qd3 { [%eval #-4] [%clk 0:00:32] } 72. Kg2 { [%eval #-4] [%clk 0:00:42] } 72... Qa3 { [%eval #-5] [%clk 0:00:31] } 73. Kf2 { [%eval #-5] [%clk 0:00:43] } 73... Kf4 { [%eval #-4] [%clk 0:00:32] } 74. Kg2 { [%eval #-3] [%clk 0:00:45] } 74... Qg3+ { [%eval #-3] [%clk 0:00:32] } 75. Kf1 { [%eval #-3] [%clk 0:00:46] } 75... Qh2 { [%eval #-2] [%clk 0:00:33] } 76. Ke1 { [%eval #-2] [%clk 0:00:47] } 76... Ke3 { [%eval #-1] [%clk 0:00:34] } 77. Kd1 { [%clk 0:00:48] } 77... Qd2# { [%clk 0:00:35] } 0-1