Event: Warsaw Najdorf Festival
Site: chess24.com
Date: 2021-07-15
White: Kosakowski, Jakub
WhiteTitle: IM
WhiteElo: 2417
Black: Donchenko, Alexander
BlackTitle: GM
BlackElo: 2652
Result: 1/2-1/2
ECO: B97
Opening: Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:50] } 1... c5 { [%eval 0.32] [%clk 1:30:29] } 2. Nf3 { [%eval 0.0] [%clk 1:31:00] } 2... d6 { [%eval 0.0] [%clk 1:30:47] } 3. d4 { [%eval 0.15] [%clk 1:30:51] } 3... cxd4 { [%eval 0.13] [%clk 1:31:09] } 4. Nxd4 { [%eval 0.0] [%clk 1:31:16] } 4... Nf6 { [%eval 0.14] [%clk 1:31:32] } 5. Nc3 { [%eval 0.0] [%clk 1:31:39] } 5... a6 { [%eval 0.21] [%clk 1:31:55] } 6. Bg5 { [%eval 0.0] [%clk 1:31:31] } 6... e6 { [%eval 0.0] [%clk 1:31:58] } 7. f4 { [%eval 0.0] [%clk 1:31:34] } 7... Qb6 { [%eval 0.0] [%clk 1:32:10] } 8. Nb3 { [%eval 0.03] [%clk 1:21:54] } 8... Nbd7 { [%eval 0.02] [%clk 1:32:06] } 9. Qe2 { [%eval 0.08] [%clk 1:20:45] } 9... Qc7 { [%eval 0.01] [%clk 1:31:15] } 10. O-O-O { [%eval 0.08] [%clk 1:15:31] } 10... b5 { [%eval 0.1] [%clk 1:30:25] } 11. a3 { [%eval 0.15] [%clk 1:09:47] } 11... Be7 { [%eval 0.24] [%clk 1:26:40] } 12. g3?! { [%eval -0.46] } { Inaccuracy. g4 was best. } { [%clk 1:06:35] } 12... Nb6?! { [%eval 0.49] } { Inaccuracy. Rb8 was best. } { [%clk 1:19:54] } 13. Bg2 { [%eval 0.17] [%clk 1:01:51] } 13... Rb8?! { [%eval 0.79] } { Inaccuracy. Ra7 was best. } { [%clk 1:19:14] } 14. Rhe1?! { [%eval -0.12] } { Inaccuracy. e5 was best. } { [%clk 0:47:01] } 14... Bb7 { [%eval 0.31] [%clk 0:57:08] } 15. e5 { [%eval 0.56] [%clk 0:37:57] } 15... dxe5 { [%eval 0.5] [%clk 0:55:20] } 16. Bxb7 { [%eval 0.28] [%clk 0:36:47] } 16... Rxb7 { [%eval 0.48] [%clk 0:50:26] } 17. Na5 { [%eval 0.65] [%clk 0:36:05] } 17... Na4?? { [%eval 2.7] } { Blunder. Ra7 was best. } { [%clk 0:41:36] } 18. Nxb7 { [%eval 2.57] [%clk 0:24:53] } 18... Nxc3 { [%eval 2.18] [%clk 0:36:35] } 19. bxc3 { [%eval 2.85] [%clk 0:17:02] } 19... Qxb7 { [%eval 2.3] [%clk 0:29:09] } 20. Bxf6?! { [%eval 1.44] } { Inaccuracy. f5 was best. } { [%clk 0:17:25] } 20... Bxf6 { [%eval 1.73] [%clk 0:23:34] } 21. fxe5?! { [%eval 1.16] } { Inaccuracy. Qe4 was best. } { [%clk 0:17:04] } 21... Be7 { [%eval 1.19] [%clk 0:23:53] } 22. Qe4 { [%eval 1.34] [%clk 0:14:18] } 22... Qc8 { [%eval 1.45] [%clk 0:20:32] } 23. Rd3 { [%eval 1.45] [%clk 0:14:07] } 23... Bxa3+ { [%eval 1.22] [%clk 0:19:48] } 24. Kd2?! { [%eval 0.56] } { Inaccuracy. Kb1 was best. } { [%clk 0:14:32] } 24... O-O { [%eval 0.92] [%clk 0:20:06] } 25. Ra1 { [%eval 0.64] [%clk 0:13:42] } 25... Be7 { [%eval 0.93] [%clk 0:19:35] } 26. Ke2?! { [%eval 0.3] } { Inaccuracy. Kc1 was best. } { [%clk 0:13:09] } 26... Bd8 { [%eval 0.65] [%clk 0:16:26] } 27. Rd6 { [%eval 0.62] [%clk 0:07:25] } 27... Qxc3 { [%eval 1.11] [%clk 0:15:04] } 28. Raxa6 { [%eval 1.24] [%clk 0:07:23] } 28... Ba5 { [%eval 1.3] [%clk 0:13:26] } 29. Rd1?! { [%eval 0.53] } { Inaccuracy. Kf1 was best. } { [%clk 0:05:45] } 29... g6 { [%eval 0.87] [%clk 0:11:25] } 30. Rc6 { [%eval 1.03] [%clk 0:04:49] } 30... Qa3 { [%eval 0.85] [%clk 0:09:43] } 31. Rd3 { [%eval 1.02] [%clk 0:03:06] } 31... Qc1 { [%eval 0.93] [%clk 0:07:50] } 32. Kf2 { [%eval 0.89] [%clk 0:03:13] } 32... Rb8?? { [%eval 2.68] } { Blunder. f5 was best. } { [%clk 0:05:14] } 33. Kg2 { [%eval 2.52] [%clk 0:03:33] } 33... Bb6 { [%eval 3.14] [%clk 0:04:21] } 34. Qf4 { [%eval 2.75] [%clk 0:02:49] } 34... Qg1+ { [%eval 2.72] [%clk 0:04:32] } 35. Kh3 { [%eval 2.3] [%clk 0:03:14] } 35... Rf8 { [%eval 2.71] [%clk 0:02:20] } 36. Rf3 { [%eval 2.51] [%clk 0:02:45] } 36... Bd8?! { [%eval 3.33] } { Inaccuracy. Qd4 was best. } { [%clk 0:00:48] } 37. Rxe6 { [%eval 3.08] [%clk 0:02:06] } 37... Qa7 { [%eval 3.38] [%clk 0:00:41] } 38. Rd6 { [%eval 3.47] [%clk 0:02:04] } 38... Be7 { [%eval 3.36] [%clk 0:00:39] } 39. Rd1 { [%eval 2.71] [%clk 0:00:33] } 39... Qb6 { [%eval 3.15] [%clk 0:00:33] } 40. Kg2 { [%eval 2.91] [%clk 0:30:45] } 40... Qe6 { [%eval 2.74] [%clk 0:30:36] } 41. Rdf1 { [%eval 3.07] [%clk 0:24:31] } 41... Qd5 { [%eval 3.27] [%clk 0:29:43] } 42. Rf2 { [%eval 3.13] [%clk 0:18:24] } 42... h5 { [%eval 3.21] [%clk 0:29:03] } 43. Rd2 { [%eval 2.9] [%clk 0:17:46] } 43... Qc6 { [%eval 3.38] [%clk 0:28:41] } 44. h3 { [%eval 3.19] [%clk 0:15:20] } 44... Kg7 { [%eval 3.58] [%clk 0:21:07] } 45. g4?! { [%eval 2.36] } { Inaccuracy. h4 was best. } { [%clk 0:13:52] } 45... hxg4 { [%eval 2.41] [%clk 0:17:12] } 46. hxg4?! { [%eval 1.51] } { Inaccuracy. Qxg4 was best. } { [%clk 0:13:50] } 46... Qe6?? { [%eval 3.74] } { Blunder. Kg8 was best. } { [%clk 0:17:00] } 47. Rdf2? { [%eval 1.93] } { Mistake. Kf1 was best. } { [%clk 0:11:39] } 47... Qd5 { [%eval 1.95] [%clk 0:12:08] } 48. Rf1 { [%eval 1.79] [%clk 0:09:53] } 48... Kg8 { [%eval 1.66] [%clk 0:12:16] } 49. Kg3 { [%eval 1.41] [%clk 0:06:21] } 49... Qe6 { [%eval 1.51] [%clk 0:12:07] } 50. R3f2 { [%eval 1.66] [%clk 0:04:09] } 50... Bd8 { [%eval 1.82] [%clk 0:11:15] } 51. Re2 { [%eval 1.82] [%clk 0:02:32] } 51... Re8 { [%eval 2.02] [%clk 0:10:27] } 52. Ref2 { [%eval 2.0] [%clk 0:02:25] } 52... Rf8 { [%eval 1.66] [%clk 0:10:23] } 53. Kg2 { [%eval 1.7] [%clk 0:01:59] } 53... Bc7 { [%eval 1.64] [%clk 0:10:21] } 54. Re2 { [%eval 1.41] [%clk 0:02:10] } 54... Ra8 { [%eval 1.63] [%clk 0:09:34] } 55. Ref2 { [%eval 1.53] [%clk 0:01:49] } 55... Rf8 { [%eval 1.55] [%clk 0:09:26] } 56. Re2 { [%eval 1.34] [%clk 0:01:23] } 56... Re8?! { [%eval 1.95] } { Inaccuracy. Rd8 was best. } { [%clk 0:08:57] } 57. Rf3 { [%eval 1.93] [%clk 0:01:00] } 57... Re7 { [%eval 2.22] [%clk 0:08:15] } 58. Rfe3 { [%eval 2.45] [%clk 0:00:54] } 58... Re8 { [%eval 2.56] [%clk 0:07:36] } 59. Rf3?! { [%eval 1.86] } { Inaccuracy. Qf3 was best. } { [%clk 0:01:20] } 59... Re7 { [%eval 1.87] [%clk 0:07:12] } 60. Rfe3 { [%eval 2.18] [%clk 0:01:26] } 60... Re8 { [%eval 2.59] [%clk 0:07:31] } 61. g5? { [%eval 1.18] } { Mistake. Qf3 was best. } { [%clk 0:01:18] } 61... Ra8 { [%eval 1.39] [%clk 0:04:39] } 62. Rf3? { [%eval 0.2] } { Mistake. Re4 was best. } { [%clk 0:00:56] } 62... Ra4 { [%eval 0.1] [%clk 0:03:47] } 63. Re4 { [%eval 0.5] [%clk 0:01:25] } 63... Ra2 { [%eval 0.34] [%clk 0:04:11] } 64. Rc3 { [%eval 0.0] [%clk 0:01:38] } 64... Ba5 { [%eval 0.0] [%clk 0:03:59] } 65. Rf3 { [%eval 0.0] [%clk 0:00:34] } 65... Rxc2+ { [%eval 0.0] [%clk 0:04:19] } 66. Rf2 { [%eval 0.0] [%clk 0:01:04] } 66... Rc3 { [%eval 0.08] [%clk 0:04:13] } 67. Qg4 { [%eval 0.1] [%clk 0:01:17] } 67... Qxg4+ { [%eval 0.16] [%clk 0:01:07] } 68. Rxg4 { [%eval 0.17] [%clk 0:01:46] } 68... Re3 { [%eval 0.19] [%clk 0:01:27] } 69. Rgf4 { [%clk 0:00:48] } 69... Rxe5 { [%clk 0:01:48] } 70. Rxf7 { [%clk 0:01:16] } 70... Rxg5+ { [%clk 0:02:10] } 71. Kf1 { [%clk 0:01:40] } 71... Rf5 { [%clk 0:02:29] } 72. R7xf5 { [%clk 0:02:05] } 1/2-1/2