Event: Reykjavik Open 2025
Site: Reykjavik, Iceland
Date: 2025-04-11
White: Zierk, Steven
WhiteTitle: GM
WhiteElo: 2501
Black: Li, Guohao
BlackElo: 2356
Result: 1/2-1/2
ECO: B54
Opening: Sicilian Defense: Prins Variation
Variant: Standard
TimeControl: 90+30 +30 after 40 moves

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... d6 { [%eval 0.31] [%clk 1:31:13] } 3. d4 { [%eval 0.22] [%clk 1:31:45] } 3... cxd4 { [%eval 0.19] [%clk 1:31:36] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:09] } 4... Nf6 { [%eval 0.25] [%clk 1:31:50] } 5. f3 { [%eval 0.0] [%clk 1:32:34] } 5... e5 { [%eval 0.0] [%clk 1:31:51] } 6. Nb3 { [%eval 0.0] [%clk 1:32:57] } 6... a5 { [%eval 0.3] [%clk 1:31:17] } 7. Nc3 { [%eval 0.17] [%clk 1:20:05] } 7... Be6?! { [%eval 0.75] } { Inaccuracy. a4 was best. } { [%clk 1:26:34] } 8. Bb5+ { [%eval 1.07] [%clk 1:17:26] } 8... Nbd7 { [%eval 1.49] [%clk 1:25:58] } 9. Be3 { [%eval 1.17] [%clk 1:15:18] } 9... Be7 { [%eval 1.19] [%clk 1:25:34] } 10. Qe2 { [%eval 1.03] [%clk 1:11:30] } 10... O-O { [%eval 1.09] [%clk 1:22:16] } 11. O-O-O { [%eval 1.12] [%clk 1:09:14] } 11... Qc7 { [%eval 1.19] [%clk 1:16:41] } 12. Qf2?! { [%eval 0.62] } { Inaccuracy. a4 was best. } { [%clk 0:53:35] } 12... Bc4 { [%eval 1.01] [%clk 1:10:46] } 13. Bxc4 { [%eval 0.87] [%clk 0:49:20] } 13... Qxc4 { [%eval 0.89] [%clk 1:10:11] } 14. g4 { [%eval 0.63] [%clk 0:48:19] } 14... Rfc8 { [%eval 0.68] [%clk 1:02:06] } 15. g5 { [%eval 0.62] [%clk 0:45:11] } 15... Nh5?! { [%eval 1.62] } { Inaccuracy. Ne8 was best. } { [%clk 1:01:50] } 16. Nd5 { [%eval 1.59] [%clk 0:43:08] } 16... Bf8 { [%eval 1.7] [%clk 1:01:54] } 17. Kb1 { [%eval 1.64] [%clk 0:42:04] } 17... b5 { [%eval 1.65] [%clk 0:58:04] } 18. Rd3 { [%eval 1.4] [%clk 0:32:01] } 18... b4 { [%eval 1.29] [%clk 0:56:17] } 19. Rc1 { [%eval 0.9] [%clk 0:31:35] } 19... a4 { [%eval 0.61] [%clk 0:49:23] } 20. Nd2 { [%eval 0.5] [%clk 0:31:46] } 20... Qb5 { [%eval 0.48] [%clk 0:49:41] } 21. c4 { [%eval 0.93] [%clk 0:31:14] } 21... Qb7 { [%eval 0.53] [%clk 0:44:05] } 22. Nf1 { [%eval 0.51] [%clk 0:29:02] } 22... Rc6 { [%eval 0.75] [%clk 0:37:51] } 23. Qd2 { [%eval 0.61] [%clk 0:23:59] } 23... Rb8 { [%eval 0.55] [%clk 0:27:04] } 24. Ng3 { [%eval 0.38] [%clk 0:18:45] } 24... Nf4 { [%eval 0.57] [%clk 0:24:12] } 25. Nxf4 { [%eval 0.43] [%clk 0:18:06] } 25... exf4 { [%eval 0.35] [%clk 0:24:33] } 26. Bxf4 { [%eval 0.64] [%clk 0:18:31] } 26... Qa6 { [%eval 0.74] [%clk 0:24:26] } 27. Nf5 { [%eval 0.84] [%clk 0:06:53] } 27... b3?? { [%eval 2.78] } { Blunder. Ne5 was best. } { [%clk 0:18:32] } 28. a3? { [%eval 1.15] } { Mistake. Bxd6 was best. } { [%clk 0:04:32] } 28... Rxc4 { [%eval 1.62] [%clk 0:18:34] } 29. Rxc4 { [%eval 1.54] [%clk 0:04:40] } 29... Qxc4 { [%eval 1.42] [%clk 0:19:01] } 30. Bxd6?! { [%eval 0.76] } { Inaccuracy. Nxd6 was best. } { [%clk 0:01:42] } 30... Bxd6 { [%eval 0.69] [%clk 0:12:33] } 31. Rxd6 { [%eval 0.64] [%clk 0:01:43] } 31... Nf8 { [%eval 0.68] [%clk 0:12:46] } 32. Qd3 { [%eval 0.14] [%clk 0:00:47] } 32... Qc5 { [%eval 0.37] [%clk 0:12:48] } 33. Rd4 { [%eval -0.16] [%clk 0:00:32] } 33... Ne6 { [%eval -0.12] [%clk 0:11:36] } 34. Qc4 { [%eval -0.14] [%clk 0:00:34] } 34... Qb6 { [%eval -0.08] [%clk 0:11:21] } 35. Rd1 { [%eval -0.16] [%clk 0:00:34] } 35... Qf2 { [%eval -0.08] [%clk 0:10:39] } 36. Rc1?! { [%eval -0.84] } { Inaccuracy. Rf1 was best. } { [%clk 0:00:40] } 36... Rd8 { [%eval -0.98] [%clk 0:10:24] } 37. Qxa4 { [%eval -0.89] [%clk 0:00:33] } 37... Qxf3 { [%eval -0.95] [%clk 0:10:11] } 38. Qc4 { [%eval -0.76] [%clk 0:00:32] } 38... Nxg5 { [%eval -0.25] [%clk 0:09:41] } 39. Ng3?? { [%eval -2.89] } { Blunder. Qd4 was best. } { [%clk 0:00:31] } 39... h5 { [%eval -2.64] [%clk 0:08:03] } 1/2-1/2