Event: Round 1: Andrey Yastrebov - Gustav Polzin
Date: 2023-10-20
White: Andrey Yastrebov
WhiteElo: 1887
Black: Gustav Polzin
BlackElo: 1912
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:53] } 1... c5 { [%eval 0.13] [%clk 1:30:11] } 2. g3 { [%eval 0.0] [%clk 1:31:17] } 2... g6 { [%eval 0.17] [%clk 1:29:52] } 3. Bg2 { [%eval 0.11] [%clk 1:31:40] } 3... Bg7 { [%eval 0.22] [%clk 1:29:51] } 4. O-O { [%eval 0.0] [%clk 1:31:55] } 4... Nc6 { [%eval 0.0] [%clk 1:29:46] } 5. e3 { [%eval 0.0] [%clk 1:29:57] } 5... Nf6 { [%eval 0.0] } 6. c4 { [%eval -0.41] } 6... O-O { [%eval -0.33] [%clk 1:19:49] } 7. Qe2 { [%eval -0.62] } 7... d5 { [%eval -0.56] } 8. Rd1 { [%eval -0.94] } 8... Bf5?! { [%eval -0.22] } { Inaccuracy. e5 was best. } { [%clk 1:08:12] } 9. cxd5 { [%eval -0.15] [%clk 1:18:51] } 9... Qxd5 { [%eval -0.19] [%clk 1:02:49] } 10. d3?! { [%eval -1.06] } { Inaccuracy. d4 was best. } { [%clk 1:08:27] } 10... Rad8 { [%eval -1.21] [%clk 0:56:30] } 11. Ne1 { [%eval -1.03] } 11... Qd6 { [%eval -0.86] [%clk 0:54:24] } 12. Nc3 { [%eval -1.04] [%clk 1:07:19] } 12... a6?! { [%eval -0.47] } { Inaccuracy. Bg4 was best. } 13. h3 { [%eval -0.53] [%clk 1:05:28] } 13... b5 { [%eval -0.43] [%clk 0:50:52] } 14. g4 { [%eval -0.51] [%clk 1:04:23] } 14... Bc8 { [%eval 0.0] } 15. g5 { [%eval -0.21] } 15... Nd7 { [%eval -0.13] [%clk 0:48:48] } 16. Ne4 { [%eval -0.21] [%clk 0:54:09] } 16... Qc7 { [%eval 0.0] [%clk 0:48:25] } 17. Rb1 { [%eval 0.05] [%clk 0:50:15] } 17... f5 { [%eval 0.32] [%clk 0:42:15] } 18. gxf6 { [%eval -0.08] [%clk 0:47:30] } 18... exf6?! { [%eval 0.62] } { Inaccuracy. Nxf6 was best. } { [%clk 0:42:27] } 19. Qc2 { [%eval 0.61] [%clk 0:45:55] } 19... Ne7 { [%eval 0.95] [%clk 0:38:30] } 20. b3 { [%eval 0.41] [%clk 0:43:39] } 20... Bb7 { [%eval 0.62] [%clk 0:33:38] } 21. Ba3 { [%eval 0.45] [%clk 0:38:32] } 21... Bxe4? { [%eval 1.65] } { Mistake. f5 was best. } { [%clk 0:29:13] } 22. dxe4 { [%eval 1.62] [%clk 0:37:43] } 22... f5 { [%eval 1.94] [%clk 0:19:17] } 23. exf5 { [%eval 1.39] [%clk 0:34:38] } 23... Rxf5 { [%eval 1.7] [%clk 0:17:45] } 24. Nd3 { [%eval 1.96] [%clk 0:32:57] } 24... Rdf8 { [%eval 2.1] [%clk 0:17:08] } 25. Nf4 { [%eval 2.32] [%clk 0:32:18] } 25... Rxf4 { [%eval 2.82] [%clk 0:11:27] } 26. exf4 { [%eval 2.92] [%clk 0:32:40] } 26... Nf5 { [%eval 2.85] [%clk 0:11:20] } 27. Bb2 { [%eval 2.84] [%clk 0:30:31] } 27... Bxb2 { [%eval 2.96] [%clk 0:09:37] } 28. Qxb2 { [%eval 2.31] [%clk 0:30:44] } 28... Nd4 { [%eval 2.41] [%clk 0:09:25] } 29. b4 { [%eval 2.36] [%clk 0:28:22] } 29... Rxf4 { [%eval 2.37] [%clk 0:06:10] } 30. bxc5 { [%eval 2.06] [%clk 0:27:48] } 30... Qe5?? { [%eval 4.79] } { Blunder. Qxc5 was best. } { [%clk 0:03:20] } 31. c6 { [%eval 4.79] [%clk 0:25:15] } 31... Nc5 { [%eval 5.8] [%clk 0:02:00] } 32. c7 { [%eval 5.8] [%clk 0:25:25] } 32... Ne2+ { [%eval 6.33] [%clk 0:00:38] } 33. Kh1 { [%eval 6.22] [%clk 0:25:48] } 33... Qxc7 { [%eval 6.58] [%clk 0:00:31] } 34. Qxe2 { [%eval 5.44] [%clk 0:26:10] } 1-0