Event: Runde 8: Efimenko, Zahar - Cheng, Bobby
Date: 2024-03-09
White: Efimenko, Zahar
WhiteTitle: GM
WhiteElo: 2568
Black: Cheng, Bobby
BlackTitle: GM
BlackElo: 2584
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Lipnitsky Attack
Variant: Standard

1. e4 { [%eval 0.13] [%clk 1:40:17] } 1... c5 { [%eval 0.33] [%clk 1:40:30] } 2. Nf3 { [%eval 0.22] [%clk 1:40:17] } 2... d6 { [%eval 0.0] [%clk 1:40:30] } 3. d4 { [%eval 0.18] [%clk 1:40:17] } 3... cxd4 { [%eval 0.13] } 4. Nxd4 { [%eval 0.27] [%clk 1:40:17] } 4... Nf6 { [%eval 0.3] [%clk 1:40:30] } 5. Nc3 { [%eval 0.21] [%clk 1:40:17] } 5... a6 { [%eval 0.24] [%clk 1:40:30] } 6. Bc4 { [%eval 0.0] [%clk 1:40:17] } 6... e6 { [%eval 0.06] [%clk 1:39:57] } 7. a4 { [%eval -0.13] [%clk 1:40:17] } 7... Be7 { [%eval 0.05] [%clk 1:34:33] } 8. O-O { [%eval 0.1] [%clk 1:40:05] } 8... O-O { [%eval 0.14] [%clk 1:34:33] } 9. Be3 { [%eval 0.05] [%clk 1:39:56] } 9... Nc6 { [%eval 0.06] [%clk 1:29:49] } 10. Bb3 { [%eval -0.02] [%clk 1:37:01] } 10... Bd7 { [%eval 0.0] [%clk 1:24:55] } 11. f4 { [%eval 0.0] [%clk 1:34:27] } 11... h6 { [%eval 0.27] [%clk 1:07:34] } 12. Qe2 { [%eval 0.28] [%clk 1:25:56] } 12... Qa5 { [%eval 0.3] [%clk 0:53:26] } 13. f5 { [%eval -0.05] [%clk 1:20:10] } 13... e5? { [%eval 1.39] } { Mistake. Nxd4 was best. } { [%clk 0:48:41] } 14. Nxc6?! { [%eval 0.69] } { Inaccuracy. Nf3 was best. } { [%clk 1:19:19] } 14... bxc6 { [%eval 0.84] [%clk 0:47:47] } 15. Rad1 { [%eval 0.92] [%clk 1:17:53] } 15... Rab8 { [%eval 0.9] [%clk 0:47:05] } 16. Bf2?! { [%eval 0.0] } { Inaccuracy. g4 was best. } { [%clk 1:12:08] } 16... Rb4 { [%eval 0.0] [%clk 0:42:17] } 17. Kh1 { [%eval -0.16] [%clk 0:54:36] } 17... Bc8 { [%eval 0.08] [%clk 0:34:44] } 18. Qe1 { [%eval -0.29] [%clk 0:46:08] } 18... Qd8 { [%eval 0.02] [%clk 0:25:48] } 19. Bc5 { [%eval 0.04] [%clk 0:37:15] } 19... dxc5 { [%eval 0.15] [%clk 0:21:00] } 20. Rxd8 { [%eval 0.2] [%clk 0:37:15] } 20... Rxd8 { [%eval 0.12] [%clk 0:21:00] } 21. Qe2 { [%eval 0.0] [%clk 0:33:11] } 21... Rdd4 { [%eval 0.0] [%clk 0:19:31] } 22. Rd1 { [%eval 0.0] [%clk 0:27:45] } 22... c4 { [%eval 0.0] [%clk 0:18:06] } 23. Ba2 { [%eval -0.01] [%clk 0:27:43] } 23... Bc5? { [%eval 1.37] } { Mistake. a5 was best. } { [%clk 0:14:46] } 24. a5 { [%eval 1.21] [%clk 0:21:33] } 24... Rxb2?! { [%eval 2.11] } { Inaccuracy. Bd6 was best. } { [%clk 0:10:04] } 25. Bxc4 { [%eval 2.07] [%clk 0:21:33] } 25... Rxd1+ { [%eval 2.47] [%clk 0:05:57] } 26. Nxd1 { [%eval 2.44] [%clk 0:19:45] } 26... Rb1 { [%eval 2.56] [%clk 0:05:57] } 27. Bd3?! { [%eval 1.8] } { Inaccuracy. g4 was best. } { [%clk 0:14:48] } 27... h5 { [%eval 1.73] [%clk 0:05:10] } 28. h3 { [%eval 1.84] [%clk 0:14:07] } 28... h4 { [%eval 1.68] [%clk 0:04:59] } 29. Kh2 { [%eval 1.86] [%clk 0:13:14] } 29... Ra1 { [%eval 1.81] [%clk 0:04:59] } 30. c3?! { [%eval 1.11] } { Inaccuracy. Qd2 was best. } { [%clk 0:10:45] } 30... Bd6?! { [%eval 2.19] } { Inaccuracy. Bd7 was best. } { [%clk 0:03:40] } 31. Ne3 { [%eval 2.07] [%clk 0:09:59] } 31... Bc5 { [%eval 2.12] [%clk 0:03:40] } 32. g4 { [%eval 2.09] [%clk 0:07:32] } 32... hxg3+ { [%eval 2.03] [%clk 0:03:40] } 33. Kxg3 { [%eval 1.83] [%clk 0:07:32] } 33... Rxa5 { [%eval 2.33] [%clk 0:03:05] } 34. Nc4 { [%eval 2.01] [%clk 0:07:20] } 34... Ra1 { [%eval 2.07] [%clk 0:02:35] } 35. Qb2 { [%eval 1.69] [%clk 0:05:59] } 35... Rd1 { [%eval 1.8] [%clk 0:02:35] } 36. Bc2?? { [%eval -0.86] } { Blunder. Qe2 was best. } { [%clk 0:05:13] } 36... Nh5+ { [%eval -0.56] [%clk 0:02:35] } 37. Kh2?! { [%eval -1.45] } { Inaccuracy. Kf3 was best. } { [%clk 0:02:34] } 37... Rf1 { [%eval -1.34] [%clk 0:01:28] } 38. h4 { [%eval -1.44] [%clk 0:01:43] } 38... Rf2+ { [%eval -1.39] [%clk 0:01:28] } 39. Kh3 { [%eval -1.39] [%clk 0:01:43] } 39... Rf3+ { [%eval -1.33] [%clk 0:01:09] } 40. Kg2 { [%eval -1.24] [%clk 0:01:22] } 40... Rf2+ { [%eval -1.42] [%clk 0:01:09] } 41. Kh3 { [%eval -1.41] [%clk 0:01:08] } 41... Nf4+ { [%eval -1.45] [%clk 0:07:06] } 42. Kg4 { [%eval -1.27] [%clk 0:29:30] } 42... Rg2+ { [%eval -1.18] [%clk 0:07:23] } 43. Kf3 { [%eval -1.47] [%clk 0:29:51] } 43... Rf2+ { [%eval -1.3] [%clk 0:07:51] } 44. Kg4 { [%eval -1.35] [%clk 0:30:16] } 44... f6? { [%eval 0.0] } { Mistake. Nd3 was best. } { [%clk 0:07:43] } 45. Qb3?! { [%eval -0.99] } { Inaccuracy. Nxe5 was best. } { [%clk 0:23:48] } 45... Kh7 { [%eval -0.9] [%clk 0:08:01] } 46. Bd1?? { [%eval -3.26] } { Blunder. Nxe5 was best. } { [%clk 0:20:29] } 46... Bd7?? { [%eval 0.0] } { Blunder. Rg2+ was best. } { [%clk 0:05:51] } 47. Qb8 { [%eval 0.0] [%clk 0:16:29] } 47... Rg2+ { [%eval 0.0] [%clk 0:01:01] } 48. Kf3 { [%eval 0.0] [%clk 0:16:49] } 48... Rf2+ { [%eval 0.0] [%clk 0:00:38] } 49. Kg4 { [%eval 0.0] [%clk 0:17:13] } 49... Rg2+ { [%eval 0.0] [%clk 0:00:42] } 50. Kf3 { [%eval 0.0] [%clk 0:17:20] } 1/2-1/2