Event: Grenke Chess Open 2024
Site: Karlsruhe, Germany
Date: 2024-04-01
White: Ostrovskiy, Andrey
WhiteTitle: IM
WhiteElo: 2419
Black: Knuedel, Torben
BlackTitle: FM
BlackElo: 2321
Result: 0-1
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Anderssen Variation
Variant: Standard
TimeControl: 90min 40 moves + 15 min Rest + 30 sec per move

1. e4 { [%eval 0.14] [%clk 1:30:56] } 1... e5 { [%eval 0.2] [%clk 1:26:52] } 2. Nf3 { [%eval 0.21] [%clk 1:31:17] } 2... Nc6 { [%eval 0.13] [%clk 1:27:11] } 3. Bb5 { [%eval 0.21] [%clk 1:31:39] } 3... a6 { [%eval 0.21] [%clk 1:27:37] } 4. Ba4 { [%eval 0.31] [%clk 1:32:01] } 4... Nf6 { [%eval 0.14] [%clk 1:28:00] } 5. d3 { [%eval 0.04] [%clk 1:32:25] } 5... b5 { [%eval 0.21] [%clk 1:27:39] } 6. Bb3 { [%eval 0.11] [%clk 1:32:46] } 6... Be7 { [%eval 0.32] [%clk 1:26:33] } 7. a4 { [%eval 0.17] [%clk 1:32:43] } 7... Bb7 { [%eval 0.33] [%clk 1:25:19] } 8. O-O { [%eval 0.4] [%clk 1:28:16] } 8... O-O { [%eval 0.45] [%clk 1:22:49] } 9. Nc3 { [%eval 0.3] [%clk 1:26:26] } 9... b4 { [%eval 0.4] [%clk 1:18:11] } 10. Nd5 { [%eval 0.37] [%clk 1:26:45] } 10... Na5 { [%eval 0.45] [%clk 1:15:25] } 11. Ba2 { [%eval 0.09] [%clk 1:19:44] } 11... Bxd5 { [%eval 0.48] [%clk 1:07:31] } 12. Bxd5?! { [%eval -0.12] } { Inaccuracy. exd5 was best. } { [%clk 1:20:03] } 12... Nxd5 { [%eval -0.15] [%clk 1:07:24] } 13. exd5 { [%eval -0.15] [%clk 1:20:26] } 13... Bf6 { [%eval 0.21] [%clk 1:07:20] } 14. Qe1 { [%eval 0.0] [%clk 0:48:17] } 14... Rb8 { [%eval 0.18] [%clk 1:05:49] } 15. Qe4 { [%eval -0.26] [%clk 0:39:50] } 15... c6 { [%eval -0.21] [%clk 0:50:54] } 16. h4 { [%eval -0.17] [%clk 0:31:12] } 16... cxd5 { [%eval -0.14] [%clk 0:48:49] } 17. Qxd5 { [%eval -0.12] [%clk 0:31:37] } 17... Nc6 { [%eval -0.08] [%clk 0:49:11] } 18. Bg5 { [%eval -0.2] [%clk 0:29:35] } 18... h6 { [%eval 0.0] [%clk 0:44:31] } 19. Bxf6 { [%eval 0.1] [%clk 0:29:16] } 19... Qxf6 { [%eval 0.28] [%clk 0:44:30] } 20. Rfe1 { [%eval 0.05] [%clk 0:27:55] } 20... Rfe8 { [%eval 0.28] [%clk 0:42:04] } 21. Qxd7 { [%eval 0.17] [%clk 0:25:04] } 21... Red8 { [%eval 0.38] [%clk 0:38:44] } 22. Qg4 { [%eval 0.51] [%clk 0:24:59] } 22... Nd4 { [%eval 0.4] [%clk 0:27:39] } 23. Nxd4 { [%eval 0.47] [%clk 0:22:11] } 23... Rxd4 { [%eval 0.48] [%clk 0:27:05] } 24. Qe2 { [%eval 0.0] [%clk 0:21:20] } 24... Re8 { [%eval 0.03] [%clk 0:21:54] } 25. g3 { [%eval 0.02] [%clk 0:20:47] } 25... e4 { [%eval 0.14] [%clk 0:19:03] } 26. Rad1 { [%eval 0.01] [%clk 0:16:15] } 26... Re6 { [%eval 0.3] [%clk 0:14:12] } 27. dxe4 { [%eval 0.34] [%clk 0:15:22] } 27... Rxd1 { [%eval 0.78] [%clk 0:10:46] } 28. Rxd1 { [%eval 0.73] [%clk 0:15:10] } 28... Qxb2 { [%eval 0.74] [%clk 0:11:11] } 29. Qc4 { [%eval 0.47] [%clk 0:14:28] } 29... Kh7 { [%eval 0.73] [%clk 0:06:19] } 30. Kg2 { [%eval 0.33] [%clk 0:09:40] } 30... Rf6?? { [%eval 2.78] } { Blunder. Qa3 was best. } { [%clk 0:05:44] } 31. Rd5? { [%eval 1.06] } { Mistake. Rd7 was best. } { [%clk 0:08:53] } 31... Qa3 { [%eval 1.06] [%clk 0:05:29] } 32. Qb3 { [%eval 1.15] [%clk 0:07:51] } 32... Qxb3 { [%eval 1.23] [%clk 0:05:05] } 33. cxb3 { [%eval 1.28] [%clk 0:08:19] } 33... Rc6 { [%eval 1.24] [%clk 0:05:28] } 34. Rf5 { [%eval 0.71] [%clk 0:07:06] } 34... Kg8 { [%eval 0.64] [%clk 0:02:43] } 35. h5 { [%eval 0.76] [%clk 0:07:22] } 35... Rc3 { [%eval 0.71] [%clk 0:02:42] } 36. Rf3 { [%eval 0.19] [%clk 0:07:32] } 36... Kf8 { [%eval 0.38] [%clk 0:02:24] } 37. Re3?! { [%eval -0.37] } { Inaccuracy. Rf5 was best. } { [%clk 0:05:40] } 37... Rxe3 { [%eval -0.39] [%clk 0:01:18] } 38. fxe3 { [%eval -0.66] [%clk 0:06:09] } 38... Ke7 { [%eval -0.45] [%clk 0:01:42] } 39. Kf3 { [%eval -0.35] [%clk 0:00:32] } 39... Ke6 { [%eval 0.0] [%clk 0:02:06] } 40. Ke2 { [%eval 0.0] [%clk 0:00:35] } 40... g5 { [%eval 0.0] [%clk 0:00:34] } 41. Kd3 { [%eval 0.0] [%clk 0:05:44] } 41... Ke5 { [%eval 0.0] [%clk 0:15:20] } 42. a5?? { [%eval -1.71] } { Blunder. Kc4 was best. } { [%clk 0:04:46] } 42... g4 { [%eval -1.66] [%clk 0:14:41] } 43. Kc4 { [%eval -1.29] [%clk 0:05:10] } 43... Kxe4 { [%eval -1.61] [%clk 0:15:01] } 44. Kc5?? { [%eval -4.2] } { Blunder. Kxb4 was best. } { [%clk 0:05:37] } 44... Kxe3 { [%eval -3.92] [%clk 0:11:56] } 45. Kb6 { [%eval -4.29] [%clk 0:06:01] } 45... f5 { [%eval -4.24] [%clk 0:12:18] } 46. Kxa6 { [%eval -4.25] [%clk 0:06:27] } 46... f4 { [%eval -4.31] [%clk 0:12:45] } 47. Kb6 { [%eval -4.32] [%clk 0:06:07] } 47... fxg3 { [%eval -4.37] [%clk 0:12:30] } 48. a6 { [%eval -4.29] [%clk 0:06:33] } 48... g2 { [%eval -4.35] [%clk 0:12:56] } 49. a7 { [%eval -4.42] [%clk 0:06:59] } 49... g1=Q { [%eval -4.24] [%clk 0:13:09] } 50. a8=Q { [%eval -4.28] } 50... g3 { [%eval -4.48] [%clk 0:11:33] } 51. Qc6 { [%eval -4.78] [%clk 0:03:16] } 51... Qf2 { [%eval -4.91] [%clk 0:08:05] } 52. Qxh6+ { [%eval -5.64] [%clk 0:02:31] } 52... Ke2+ { [%eval -5.34] [%clk 0:05:31] } 53. Ka5?! { [%eval -7.23] } { Inaccuracy. Kc7 was best. } { [%clk 0:00:52] } 53... g2 { [%eval -7.71] [%clk 0:03:00] } 54. Qe6+?! { [%eval -35.51] } { Inaccuracy. Qc1 was best. } { [%clk 0:00:58] } 54... Kf3?? { [%eval -4.54] } { Blunder. Kd2 was best. } { [%clk 0:02:33] } 55. Qf5+ { [%eval -5.05] [%clk 0:00:54] } 55... Kg3 { [%eval -5.11] [%clk 0:02:38] } 56. Qe5+ { [%eval -5.04] [%clk 0:00:44] } 56... Kh3 { [%eval -5.19] [%clk 0:02:43] } 57. Qe6+ { [%eval -5.04] [%clk 0:00:57] } 57... Kh2 { [%eval -5.51] [%clk 0:02:55] } 58. Qe5+ { [%eval -5.19] [%clk 0:00:54] } 58... Qg3 { [%eval -5.81] [%clk 0:02:03] } 59. Qe2 { [%eval -5.17] [%clk 0:01:04] } 59... Kh3 { [%eval -4.54] [%clk 0:01:47] } 60. Qe6+ { [%eval -5.46] [%clk 0:01:26] } 60... Kh4 { [%eval -5.02] [%clk 0:01:51] } 61. Qe4+ { [%eval -5.02] [%clk 0:01:28] } 61... Kxh5? { [%eval -2.9] } { Mistake. Kh3 was best. } { [%clk 0:01:57] } 62. Qe8+ { [%eval -3.62] [%clk 0:01:19] } 62... Kg4 { [%eval -3.01] [%clk 0:02:09] } 63. Qc8+ { [%eval -3.14] [%clk 0:01:22] } 63... Kf3 { [%eval -2.84] [%clk 0:02:20] } 64. Qc6+ { [%eval -3.0] [%clk 0:00:57] } 64... Kf2 { [%eval -3.05] [%clk 0:02:42] } 65. Qc2+ { [%eval -2.9] [%clk 0:01:10] } 65... Kg1 { [%eval -3.06] [%clk 0:02:28] } 66. Qd1+ { [%eval -3.28] [%clk 0:00:37] } 66... Kh2 { [%eval -3.4] [%clk 0:02:51] } 67. Qh5+ { [%eval -3.64] [%clk 0:01:01] } 67... Qh3 { [%eval -3.75] [%clk 0:03:15] } 68. Qe5+ { [%eval -3.87] [%clk 0:01:20] } 68... Kh1 { [%eval -3.48] [%clk 0:03:38] } 69. Qd5 { [%eval -3.75] [%clk 0:01:42] } 69... Qg4 { [%eval -3.67] [%clk 0:02:53] } 70. Ka4 { [%eval -3.6] [%clk 0:01:31] } 70... Kh2 { [%eval -3.52] [%clk 0:02:44] } 71. Qd6+ { [%eval -3.92] [%clk 0:01:37] } 71... Kh3 { [%eval -3.29] [%clk 0:03:02] } 72. Qh6+ { [%eval -3.58] [%clk 0:01:57] } 72... Kg3 { [%eval -3.25] [%clk 0:03:23] } 73. Qe3+ { [%eval -3.34] [%clk 0:01:51] } 73... Qf3 { [%eval -3.48] [%clk 0:03:34] } 74. Qg5+ { [%eval -3.64] [%clk 0:02:07] } 74... Kf2 { [%eval -3.47] [%clk 0:02:07] } 75. Qh4+? { [%eval -6.11] } { Mistake. Qd2+ was best. } { [%clk 0:01:57] } 75... Ke3 { [%eval -5.73] [%clk 0:01:40] } 76. Qe7+ { [%eval -6.9] [%clk 0:01:27] } 76... Kd3?! { [%eval -4.88] } { Inaccuracy. Kd2 was best. } { [%clk 0:01:53] } 77. Qd6+?! { [%eval -7.02] } { Inaccuracy. Qc5 was best. } { [%clk 0:00:43] } 77... Kc2 { [%eval -6.3] [%clk 0:01:59] } 78. Qg6+ { [%eval -6.19] [%clk 0:00:46] } 78... Kb2 { [%eval -6.97] [%clk 0:01:40] } 79. Kxb4?! { [%eval -35.0] } { Inaccuracy. Qg7+ was best. } { [%clk 0:00:34] } 79... Qxb3+ { [%eval -34.91] [%clk 0:01:17] } 80. Ka5 { [%eval -34.93] [%clk 0:01:03] } 80... Qd5+ { [%eval -33.4] [%clk 0:01:02] } 81. Ka6 { [%eval -33.58] [%clk 0:00:55] } 81... Qc4+ { [%eval -34.0] [%clk 0:01:08] } 82. Kb7 { [%eval -33.81] [%clk 0:01:03] } 82... Qd5+ { [%eval -33.43] [%clk 0:01:28] } 83. Ka6 { [%eval -33.37] [%clk 0:00:43] } 83... Qa2+ { [%eval -33.74] [%clk 0:01:05] } 84. Kb5 { [%eval -33.05] [%clk 0:00:43] } 84... Ka1 { [%eval -56.96] [%clk 0:01:08] } 85. Kc5 { [%eval #-31] [%clk 0:00:31] } 85... Qf2+ { [%clk 0:01:06] } 0-1