Event: Round 7: Mendonca, Leon Luke - Gelfand, Boris
Date: 2024-10-26
White: Mendonca, Leon Luke
WhiteTitle: GM
WhiteElo: 2622
Black: Gelfand, Boris
BlackTitle: GM
BlackElo: 2658
Result: 1/2-1/2
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:28:41] } 1... c5 { [%eval 0.25] [%clk 1:30:43] } 2. Nf3 { [%eval 0.28] [%clk 1:29:05] } 2... Nc6 { [%eval 0.3] [%clk 1:31:08] } 3. d4 { [%eval 0.26] [%clk 1:28:51] } 3... cxd4 { [%eval 0.35] [%clk 1:31:13] } 4. Nxd4 { [%eval 0.21] [%clk 1:29:16] } 4... Nf6 { [%eval 0.19] [%clk 1:31:40] } 5. Nc3 { [%eval 0.26] [%clk 1:29:38] } 5... e5 { [%eval 0.34] [%clk 1:32:07] } 6. Ndb5 { [%eval 0.2] [%clk 1:30:02] } 6... d6 { [%eval 0.34] [%clk 1:32:33] } 7. Nd5 { [%eval 0.28] [%clk 1:30:27] } 7... Nxd5 { [%eval 0.28] [%clk 1:32:59] } 8. exd5 { [%eval 0.2] [%clk 1:30:52] } 8... Nb8 { [%eval 0.19] [%clk 1:33:20] } 9. a4 { [%eval 0.28] [%clk 1:31:01] } 9... Be7 { [%eval 0.22] [%clk 1:33:38] } 10. Be2 { [%eval 0.26] [%clk 1:31:04] } 10... Nd7 { [%eval 0.15] [%clk 1:33:43] } 11. O-O { [%eval 0.18] [%clk 1:26:20] } 11... O-O { [%eval 0.22] [%clk 1:32:31] } 12. Kh1 { [%eval 0.22] [%clk 1:23:04] } 12... a6 { [%eval 0.3] [%clk 1:26:26] } 13. Na3 { [%eval 0.22] [%clk 1:23:27] } 13... Nc5 { [%eval 0.4] [%clk 1:26:52] } 14. Nc4 { [%eval 0.42] [%clk 1:20:47] } 14... a5 { [%eval 0.42] [%clk 1:26:02] } 15. f4 { [%eval 0.24] [%clk 1:10:45] } 15... exf4 { [%eval 0.14] [%clk 1:26:02] } 16. Bxf4 { [%eval 0.25] [%clk 1:11:09] } 16... f5 { [%eval 0.22] [%clk 1:25:41] } 17. Bf3 { [%eval 0.24] [%clk 0:55:20] } 17... b6 { [%eval 0.0] [%clk 1:13:35] } 18. Re1 { [%eval 0.0] [%clk 0:52:54] } 18... Ba6 { [%eval 0.0] [%clk 1:11:30] } 19. Rxe7 { [%eval 0.0] [%clk 0:48:45] } 19... Qxe7 { [%eval 0.09] [%clk 1:11:43] } 20. Bxd6 { [%eval 0.02] [%clk 0:49:07] } 20... Qf6 { [%eval 0.07] [%clk 1:11:48] } 21. Be5 { [%eval 0.05] [%clk 0:43:53] } 21... Qh6 { [%eval 0.01] [%clk 0:57:58] } 22. Qd4 { [%eval 0.01] [%clk 0:40:12] } 22... Rae8 { [%eval 0.07] [%clk 0:53:53] } 23. Bc7 { [%eval 0.0] [%clk 0:27:48] } 23... Bxc4 { [%eval 0.03] [%clk 0:45:28] } 24. Qxc4 { [%eval 0.0] [%clk 0:28:16] } 24... Kh8 { [%eval 0.35] [%clk 0:45:37] } 25. d6 { [%eval 0.34] [%clk 0:26:52] } 25... Qd2?! { [%eval 0.9] } { Inaccuracy. Nd7 was best. } { [%clk 0:41:56] } 26. Qc3 { [%eval 0.94] [%clk 0:17:24] } 26... Qxc3?! { [%eval 1.73] } { Inaccuracy. Qh6 was best. } { [%clk 0:30:00] } 27. bxc3 { [%eval 1.71] [%clk 0:17:53] } 27... Ne4 { [%eval 1.51] [%clk 0:30:21] } 28. Kg1 { [%eval 1.73] [%clk 0:02:03] } 28... Rf7 { [%eval 1.45] [%clk 0:27:49] } 29. Rd1? { [%eval 0.1] } { Mistake. Rb1 was best. } { [%clk 0:01:58] } 29... Rd7 { [%eval 0.17] [%clk 0:26:07] } 30. Rd4 { [%eval -0.1] [%clk 0:00:52] } 30... Kg8 { [%eval 0.0] [%clk 0:18:53] } 31. g4 { [%eval 0.0] [%clk 0:01:18] } 31... g6 { [%eval -0.05] [%clk 0:17:26] } 32. c4 { [%eval -0.19] [%clk 0:00:34] } 32... Re6 { [%eval -0.17] [%clk 0:15:52] } 33. Rd5 { [%eval -0.07] [%clk 0:00:33] } 33... Kg7 { [%eval -0.1] [%clk 0:13:02] } 34. gxf5 { [%eval -0.24] [%clk 0:00:37] } 34... gxf5 { [%eval -0.3] [%clk 0:13:28] } 35. Bxe4 { [%eval -0.56] [%clk 0:00:37] } 35... Rxe4 { [%eval -0.58] [%clk 0:12:45] } 36. c5? { [%eval -2.25] } { Mistake. Rxf5 was best. } { [%clk 0:01:07] } 36... bxc5 { [%eval -2.14] [%clk 0:13:09] } 37. Rxc5 { [%eval -2.78] [%clk 0:01:15] } 37... Rxa4?! { [%eval -1.94] } { Inaccuracy. Kf6 was best. } { [%clk 0:12:37] } 38. Rxf5 { [%eval -1.95] [%clk 0:01:28] } 38... Ra2?? { [%eval -0.1] } { Blunder. Rg4+ was best. } { [%clk 0:10:04] } 39. Rxa5 { [%eval -0.11] [%clk 0:00:44] } 39... Rxa5 { [%eval -0.18] [%clk 0:10:16] } 40. Bxa5 { [%eval -0.18] [%clk 0:01:13] } 40... Rxd6 { [%eval -0.21] [%clk 0:10:40] } 41. Bc7 { [%eval -0.22] [%clk 0:22:18] } 41... Rc6 { [%eval -0.25] [%clk 0:39:01] } 42. Bg3 { [%eval -0.29] [%clk 0:20:26] } 42... Rxc2 { [%eval -0.25] [%clk 0:39:17] } 43. h3 { [%eval -0.19] [%clk 0:20:45] } 43... Kg6 { [%eval -0.24] [%clk 0:39:33] } 44. Kh1 { [%eval -0.35] [%clk 0:20:17] } 44... Kf5 { [%eval -0.12] [%clk 0:39:23] } 45. Kg1 { [%eval -0.17] [%clk 0:20:46] } 45... Ke4 { [%eval -0.22] [%clk 0:39:47] } 46. Bd6 { [%eval -0.26] [%clk 0:21:00] } 46... Kf3 { [%eval -0.32] [%clk 0:40:12] } 47. Kh1 { [%eval -0.18] [%clk 0:20:40] } 1/2-1/2