Event: Round 5: Donchenko, Alexander - Diaz Perez, Michel Alejandro
Date: 2024-08-27
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2638
Black: Diaz Perez, Michel Alejandro
BlackTitle: IM
BlackElo: 2487
Result: 1/2-1/2
ECO: E44
Opening: Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:57] } 1... Nf6 { [%eval 0.17] [%clk 1:30:32] } 2. c4 { [%eval 0.17] [%clk 1:31:14] } 2... e6 { [%eval 0.11] [%clk 1:30:58] } 3. Nc3 { [%eval 0.0] [%clk 1:31:32] } 3... Bb4 { [%eval 0.17] [%clk 1:31:24] } 4. e3 { [%eval 0.08] [%clk 1:31:43] } 4... b6 { [%eval 0.23] [%clk 1:31:46] } 5. Ne2 { [%eval 0.22] [%clk 1:31:38] } 5... c5 { [%eval 0.37] [%clk 1:31:58] } 6. a3 { [%eval 0.34] [%clk 1:31:44] } 6... Ba5 { [%eval 0.41] [%clk 1:32:25] } 7. Rb1 { [%eval 0.5] [%clk 1:31:45] } 7... Na6 { [%eval 0.33] [%clk 1:32:51] } 8. Ng3 { [%eval 0.34] [%clk 1:31:30] } 8... Bb7 { [%eval 0.35] [%clk 1:31:55] } 9. f3 { [%eval 0.36] [%clk 1:31:43] } 9... O-O { [%eval 0.35] [%clk 1:29:59] } 10. Bd3 { [%eval 0.31] [%clk 1:31:32] } 10... cxd4 { [%eval 0.41] [%clk 1:28:20] } 11. exd4 { [%eval 0.46] [%clk 1:30:05] } 11... Bxc3+ { [%eval 0.29] [%clk 1:28:46] } 12. bxc3 { [%eval 0.43] [%clk 1:30:27] } 12... Rc8 { [%eval 0.71] [%clk 1:29:10] } 13. Qa4 { [%eval 0.61] [%clk 1:12:11] } 13... Ra8 { [%eval 0.82] [%clk 1:09:34] } 14. O-O { [%eval 0.97] [%clk 1:08:19] } 14... Nb8 { [%eval 1.02] [%clk 1:09:11] } 15. Bg5 { [%eval 1.03] [%clk 0:59:47] } 15... h6 { [%eval 1.08] [%clk 1:05:15] } 16. Bf4 { [%eval 0.61] [%clk 0:57:20] } 16... d5 { [%eval 0.64] [%clk 1:02:38] } 17. c5 { [%eval 0.68] [%clk 0:52:35] } 17... Bc6?! { [%eval 1.53] } { Inaccuracy. Qc8 was best. } { [%clk 1:01:43] } 18. Qc2 { [%eval 1.33] [%clk 0:49:20] } 18... bxc5 { [%eval 1.75] [%clk 0:49:15] } 19. Qc1 { [%eval 1.49] [%clk 0:46:16] } 19... c4 { [%eval 1.94] [%clk 0:40:27] } 20. Bc2 { [%eval 1.93] [%clk 0:46:01] } 20... Nh7 { [%eval 1.9] [%clk 0:33:19] } 21. Re1 { [%eval 1.44] [%clk 0:32:41] } 21... Qh4 { [%eval 1.72] [%clk 0:28:37] } 22. Re5 { [%eval 1.71] [%clk 0:24:02] } 22... Nf6 { [%eval 1.84] [%clk 0:28:23] } 23. Nh1? { [%eval 0.32] } { Mistake. Ne2 was best. } { [%clk 0:13:23] } 23... Nfd7 { [%eval 0.39] [%clk 0:25:59] } 24. g3 { [%eval 0.23] [%clk 0:13:44] } 24... Qe7 { [%eval 0.2] [%clk 0:25:02] } 25. Rh5 { [%eval 0.42] [%clk 0:13:55] } 25... f5 { [%eval 0.43] [%clk 0:24:04] } 26. Bxh6 { [%eval 0.43] [%clk 0:13:13] } 26... Nf6 { [%eval 0.31] [%clk 0:23:04] } 27. Bg5 { [%eval 0.45] [%clk 0:12:10] } 27... Qe8 { [%eval 0.25] [%clk 0:19:54] } 28. Rh4 { [%eval 0.23] [%clk 0:12:02] } 28... Ba4 { [%eval 0.28] [%clk 0:20:19] } 29. Bxa4 { [%eval 0.34] [%clk 0:10:43] } 29... Qxa4 { [%eval 0.32] [%clk 0:20:47] } 30. Qe3 { [%eval 0.0] [%clk 0:09:04] } 30... Qe8 { [%eval 0.0] [%clk 0:19:00] } 31. Nf2 { [%eval -0.05] [%clk 0:07:20] } 31... Nbd7 { [%eval 0.0] [%clk 0:18:25] } 32. Re1 { [%eval -0.09] [%clk 0:06:38] } 32... Rb8 { [%eval 0.0] [%clk 0:17:41] } 33. Nh3 { [%eval 0.0] [%clk 0:06:11] } 33... Rb6 { [%eval 0.0] [%clk 0:17:28] } 34. Bxf6?! { [%eval -0.88] } { Inaccuracy. a4 was best. } { [%clk 0:04:14] } 34... Rxf6 { [%eval -0.94] [%clk 0:14:03] } 35. Ng5?! { [%eval -1.69] } { Inaccuracy. g4 was best. } { [%clk 0:04:17] } 35... Nf8 { [%eval -1.48] [%clk 0:14:06] } 36. f4 { [%eval -1.7] [%clk 0:02:37] } 36... Rb2 { [%eval -1.19] [%clk 0:12:19] } 37. Qf3?! { [%eval -1.79] } { Inaccuracy. g4 was best. } { [%clk 0:02:24] } 37... Qd7? { [%eval -0.51] } { Mistake. Qa4 was best. } { [%clk 0:09:05] } 38. Qf1? { [%eval -1.93] } { Mistake. g4 was best. } { [%clk 0:01:53] } 38... Rh6?! { [%eval -0.88] } { Inaccuracy. Qa4 was best. } { [%clk 0:08:35] } 39. Qh3?! { [%eval -1.91] } { Inaccuracy. Rxh6 was best. } { [%clk 0:00:50] } 39... Qa4 { [%eval -1.84] [%clk 0:06:02] } 40. Rxh6 { [%eval -2.31] [%clk 0:30:35] } 40... gxh6 { [%eval -2.3] [%clk 0:36:31] } 41. Nf3 { [%eval -2.12] [%clk 0:24:56] } 41... Qc2 { [%eval -1.89] [%clk 0:29:49] } 42. g4 { [%eval -1.69] [%clk 0:24:57] } 42... Rb1?? { [%eval 0.0] } { Blunder. Ng6 was best. } { [%clk 0:10:31] } 43. gxf5 { [%eval 0.0] [%clk 0:23:36] } 43... exf5 { [%eval 0.0] [%clk 0:09:44] } 44. Qxh6 { [%eval 0.0] [%clk 0:18:43] } 44... Rxe1+ { [%eval 0.0] [%clk 0:09:03] } 45. Nxe1 { [%eval 0.0] [%clk 0:19:11] } 45... Qxc3 { [%eval 0.0] [%clk 0:09:14] } 46. Qg5+ { [%eval 0.0] [%clk 0:19:04] } 46... Kh8 { [%eval 0.0] [%clk 0:09:27] } 47. Qf6+ { [%eval 0.0] [%clk 0:18:28] } 47... Kg8 { [%eval 0.0] [%clk 0:09:53] } 48. Qg5+ { [%eval 0.0] [%clk 0:18:53] } 48... Kh8 { [%eval 0.0] [%clk 0:10:19] } 49. Qf6+ { [%eval 0.0] [%clk 0:14:40] } 49... Kg8 { [%eval 0.0] [%clk 0:10:48] } 1/2-1/2