Event: Round 7: Thomas Beerdsen - Marcin Sieciechowicz
Date: 2023-02-22
White: Thomas Beerdsen
Black: Marcin Sieciechowicz
Result: 1-0
ECO: B97
Opening: Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:25:13] } 1... c5 { [%eval 0.32] [%clk 1:30:52] } 2. Nf3 { [%eval 0.0] [%clk 1:25:33] } 2... d6 { [%eval 0.0] [%clk 1:31:14] } 3. d4 { [%eval 0.25] [%clk 1:25:55] } 3... cxd4 { [%eval 0.13] [%clk 1:31:41] } 4. Nxd4 { [%eval 0.27] [%clk 1:26:20] } 4... Nf6 { [%eval 0.3] [%clk 1:32:08] } 5. Nc3 { [%eval 0.21] [%clk 1:26:44] } 5... a6 { [%eval 0.39] [%clk 1:32:35] } 6. Bg5 { [%eval 0.0] [%clk 1:25:52] } 6... e6 { [%eval 0.0] [%clk 1:32:57] } 7. f4 { [%eval 0.1] [%clk 1:26:13] } 7... Qb6 { [%eval 0.0] [%clk 1:33:16] } 8. Qd2 { [%eval 0.07] [%clk 1:21:19] } 8... Nc6 { [%eval 0.57] [%clk 1:33:03] } 9. Bxf6 { [%eval 0.62] [%clk 1:18:27] } 9... gxf6 { [%eval 0.54] [%clk 1:33:31] } 10. Nb3 { [%eval 0.55] [%clk 1:18:01] } 10... h5 { [%eval 0.61] [%clk 1:33:56] } 11. O-O-O { [%eval 0.45] [%clk 1:16:34] } 11... Qc7 { [%eval 0.62] [%clk 1:34:23] } 12. Kb1 { [%eval 0.58] [%clk 1:15:45] } 12... b5 { [%eval 0.55] [%clk 1:34:16] } 13. Bd3 { [%eval 0.49] [%clk 1:13:50] } 13... Rb8 { [%eval 0.6] [%clk 1:32:57] } 14. Rhe1 { [%eval 0.11] [%clk 1:10:49] } 14... Be7? { [%eval 1.34] } { Mistake. Bd7 was best. } { [%clk 1:31:32] } 15. Re3 { [%eval 0.91] [%clk 1:06:02] } 15... Bd8 { [%eval 1.31] [%clk 1:18:00] } 16. Bf1?! { [%eval 0.59] } { Inaccuracy. Rh3 was best. } { [%clk 1:01:44] } 16... b4 { [%eval 0.66] [%clk 1:14:59] } 17. Ne2 { [%eval 0.69] [%clk 1:00:16] } 17... Be7 { [%eval 1.0] [%clk 1:11:04] } 18. Ned4 { [%eval 1.0] [%clk 0:59:22] } 18... Nxd4 { [%eval 1.0] [%clk 1:06:21] } 19. Nxd4 { [%eval 1.14] [%clk 0:59:38] } 19... Rb6 { [%eval 1.3] [%clk 0:53:25] } 20. Be2 { [%eval 1.11] [%clk 0:38:26] } 20... Bb7 { [%eval 1.14] [%clk 0:50:12] } 21. Bf3 { [%eval 1.25] [%clk 0:31:13] } 21... h4 { [%eval 1.22] [%clk 0:47:46] } 22. c3 { [%eval 1.13] [%clk 0:25:40] } 22... bxc3 { [%eval 1.65] [%clk 0:43:41] } 23. Rxc3 { [%eval 1.75] [%clk 0:26:00] } 23... Qb8 { [%eval 1.9] [%clk 0:43:06] } 24. Rdc1 { [%eval 1.93] [%clk 0:24:55] } 24... Kf8 { [%eval 2.15] [%clk 0:32:06] } 25. Ka1 { [%eval 2.15] [%clk 0:22:21] } 25... Qa8? { [%eval 3.73] } { Mistake. Bd8 was best. } { [%clk 0:26:28] } 26. Qe3?! { [%eval 2.46] } { Inaccuracy. Rc7 was best. } { [%clk 0:13:37] } 26... Bd8 { [%eval 2.27] [%clk 0:26:12] } 27. e5 { [%eval 2.24] [%clk 0:13:56] } 27... Bxf3? { [%eval 4.26] } { Mistake. Qb8 was best. } { [%clk 0:18:00] } 28. gxf3 { [%eval 4.16] [%clk 0:12:50] } 28... dxe5 { [%eval 4.42] [%clk 0:07:30] } 29. fxe5 { [%eval 4.37] [%clk 0:13:06] } 29... fxe5 { [%eval 4.94] [%clk 0:07:10] } 30. Nc6 { [%eval 5.08] [%clk 0:10:12] } 30... Bc7?? { [%eval #8] } { Checkmate is now unavoidable. Rxc6 was best. } { [%clk 0:04:52] } 31. Qc5+ { [%eval #7] [%clk 0:10:13] } 31... Kg7 { [%eval #7] [%clk 0:04:24] } 32. Rg1+ { [%eval #6] [%clk 0:10:37] } 32... Kh7 { [%eval #6] [%clk 0:04:19] } 33. Qe7?? { [%eval 6.72] } { Lost forced checkmate sequence. Rc4 was best. } { [%clk 0:10:55] } 1-0