Event: Round 2: Haba, Petr - Lanka, Zigurds
Date: 2023-11-23
White: Haba, Petr
WhiteTitle: GM
WhiteElo: 2436
Black: Lanka, Zigurds
BlackTitle: GM
BlackElo: 2357
Result: 1/2-1/2
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Yerevan System
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:43] } 1... c5 { [%eval 0.32] [%clk 1:30:52] } 2. Nf3 { [%eval 0.0] [%clk 1:31:07] } 2... a6?! { [%eval 0.67] } { Inaccuracy. d6 was best. } { [%clk 1:31:11] } 3. Nc3?! { [%eval 0.0] } { Inaccuracy. c4 was best. } { [%clk 1:31:25] } 3... d6 { [%eval 0.32] [%clk 1:30:57] } 4. d4 { [%eval 0.0] [%clk 1:30:51] } 4... cxd4 { [%eval 0.31] [%clk 1:31:02] } 5. Nxd4 { [%eval 0.0] [%clk 1:31:16] } 5... e6?! { [%eval 0.59] } { Inaccuracy. Nf6 was best. } { [%clk 1:31:05] } 6. Bd3 { [%eval 0.22] [%clk 1:27:54] } 6... Nf6 { [%eval 0.05] [%clk 1:30:53] } 7. f4 { [%eval 0.25] [%clk 1:24:30] } 7... Nbd7 { [%eval 0.24] [%clk 1:30:43] } 8. Qe2 { [%eval 0.21] [%clk 1:21:19] } 8... g6?! { [%eval 0.96] } { Inaccuracy. Nc5 was best. } { [%clk 1:26:33] } 9. e5 { [%eval 1.05] [%clk 1:07:16] } 9... Nh5 { [%eval 0.8] [%clk 1:17:37] } 10. Nf3 { [%eval 0.98] [%clk 0:57:05] } 10... dxe5? { [%eval 2.61] } { Mistake. Bh6 was best. } { [%clk 1:05:19] } 11. fxe5 { [%eval 1.95] [%clk 0:57:24] } 11... Qb6 { [%eval 2.42] [%clk 1:02:21] } 12. Ne4 { [%eval 2.09] [%clk 0:51:52] } 12... Be7?! { [%eval 3.24] } { Inaccuracy. Nc5 was best. } { [%clk 1:00:06] } 13. g4 { [%eval 3.02] [%clk 0:41:48] } 13... Ng7 { [%eval 2.93] [%clk 1:00:00] } 14. Be3 { [%eval 3.12] [%clk 0:41:47] } 14... Qxb2?! { [%eval 4.45] } { Inaccuracy. Qb4+ was best. } { [%clk 1:00:00] } 15. O-O { [%eval 4.54] [%clk 0:41:37] } 15... Qa3 { [%eval 4.47] [%clk 0:57:30] } 16. Bd4 { [%eval 4.59] [%clk 0:38:05] } 16... O-O { [%eval 5.78] [%clk 0:54:28] } 17. Nf6+?? { [%eval 1.8] } { Blunder. Qe3 was best. } { [%clk 0:17:55] } 17... Bxf6 { [%eval 1.93] [%clk 0:46:00] } 18. exf6 { [%eval 1.66] [%clk 0:18:23] } 18... Ne8 { [%eval 1.95] [%clk 0:46:22] } 19. Ne5 { [%eval 1.66] [%clk 0:15:13] } 19... Qa4? { [%eval 2.99] } { Mistake. Qd6 was best. } { [%clk 0:40:14] } 20. c3? { [%eval 1.58] } { Mistake. c4 was best. } { [%clk 0:13:18] } 20... Nxe5 { [%eval 1.87] [%clk 0:35:26] } 21. Qxe5 { [%eval 1.87] [%clk 0:13:42] } 21... Bd7 { [%eval 1.69] [%clk 0:34:52] } 22. Rf4 { [%eval 1.24] [%clk 0:08:24] } 22... Rc8 { [%eval 1.75] [%clk 0:33:47] } 23. Re1?! { [%eval 0.74] } { Inaccuracy. Rf2 was best. } { [%clk 0:07:30] } 23... Qxa2 { [%eval 0.69] [%clk 0:27:57] } 24. Bc5?! { [%eval 0.12] } { Inaccuracy. Rf2 was best. } { [%clk 0:04:49] } 24... Rxc5 { [%eval 0.01] [%clk 0:27:09] } 25. Qxc5 { [%eval 0.11] [%clk 0:05:18] } 25... Qd2 { [%eval 0.26] [%clk 0:26:59] } 26. Qe3 { [%eval -0.15] [%clk 0:05:40] } 26... Qxc3 { [%eval -0.11] [%clk 0:25:08] } 27. Be4 { [%eval -0.21] [%clk 0:05:22] } 27... Qxe3+ { [%eval 0.0] [%clk 0:18:41] } 28. Rxe3 { [%eval -0.11] [%clk 0:05:51] } 28... e5 { [%eval -0.12] [%clk 0:17:24] } 29. Rf1 { [%eval -0.14] [%clk 0:05:49] } 29... Bxg4 { [%eval -0.15] [%clk 0:14:23] } 30. Bxb7 { [%eval -0.1] [%clk 0:06:11] } 30... Bf5 { [%eval -0.04] [%clk 0:13:55] } 31. Be4 { [%eval -0.02] [%clk 0:04:29] } 31... Be6 { [%eval 0.0] [%clk 0:11:02] } 32. Bd3 { [%eval 0.09] [%clk 0:04:34] } 32... a5 { [%eval -0.02] [%clk 0:09:57] } 33. Rxe5 { [%eval 0.0] [%clk 0:04:45] } 33... a4 { [%eval -0.07] [%clk 0:10:20] } 34. Bb5 { [%eval 0.0] [%clk 0:04:12] } 34... Nd6 { [%eval 0.0] [%clk 0:09:16] } 35. Bxa4 { [%eval 0.0] [%clk 0:04:32] } 35... Rb8 { [%eval 0.36] [%clk 0:08:24] } 36. Rd1 { [%eval 0.0] [%clk 0:04:25] } 36... Rb6?? { [%eval 9.41] } { Blunder. Nf5 was best. } { [%clk 0:07:17] } 37. Bb3?? { [%eval 0.05] } { Blunder. Rb5 was best. } { [%clk 0:03:25] } 37... Rxb3 { [%eval 0.4] [%clk 0:05:00] } 38. Rxd6 { [%eval 0.31] [%clk 0:03:53] } 38... Rb8 { [%eval 0.24] [%clk 0:05:22] } 39. Rb6?? { [%eval -9.33] } { Blunder. Rb5 was best. } { [%clk 0:02:44] } 1/2-1/2