Event: Round 4: Martin Petrov - Andreea-Marioara Cosman
Date: 2023-11-04
White: Martin Petrov
WhiteTitle: GM
WhiteElo: 2426
Black: Andreea-Marioara Cosman
BlackTitle: WFM
BlackElo: 2100
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 0:15:05] } 1... c5 { [%eval 0.32] [%clk 0:15:08] } 2. Nf3 { [%eval 0.0] [%clk 0:15:07] } 2... d6 { [%eval 0.0] [%clk 0:15:11] } 3. d4 { [%eval 0.25] [%clk 0:15:09] } 3... Nf6 { [%eval 0.3] [%clk 0:15:11] } 4. Nc3 { [%eval 0.22] [%clk 0:15:12] } 4... cxd4 { [%eval 0.29] [%clk 0:15:13] } 5. Nxd4 { [%eval 0.21] [%clk 0:15:14] } 5... a6 { [%eval 0.39] [%clk 0:15:12] } 6. Be3 { [%eval 0.12] [%clk 0:15:15] } 6... Ng4 { [%eval 0.44] [%clk 0:15:06] } 7. Bc1 { [%eval 0.25] [%clk 0:15:09] } 7... Nf6 { [%eval 0.39] [%clk 0:14:34] } 8. Bd3 { [%eval 0.22] [%clk 0:15:11] } 8... e5 { [%eval 0.22] [%clk 0:13:55] } 9. Nde2 { [%eval 0.21] [%clk 0:15:14] } 9... Be7 { [%eval 0.26] [%clk 0:13:09] } 10. O-O { [%eval 0.18] [%clk 0:15:13] } 10... O-O { [%eval 0.26] [%clk 0:12:57] } 11. h3 { [%eval 0.3] [%clk 0:14:52] } 11... Be6 { [%eval 0.19] [%clk 0:10:59] } 12. f4 { [%eval 0.22] [%clk 0:14:54] } 12... Qc7 { [%eval 0.28] [%clk 0:10:45] } 13. Kh1 { [%eval 0.24] [%clk 0:11:18] } 13... Nbd7 { [%eval 0.26] [%clk 0:10:04] } 14. Ng3 { [%eval 0.08] [%clk 0:11:20] } 14... Rfe8 { [%eval 0.14] [%clk 0:08:52] } 15. a4 { [%eval 0.17] [%clk 0:10:41] } 15... Nb6?! { [%eval 0.88] } { Inaccuracy. exf4 was best. } { [%clk 0:07:13] } 16. a5 { [%eval 0.82] [%clk 0:09:34] } 16... Nc4 { [%clk 0:06:57] } 17. f5 { [%clk 0:09:27] } 17... Bd7 { [%clk 0:06:33] } 18. Nh5 { [%clk 0:09:28] } 18... Qc5 { [%clk 0:03:50] } 19. Nxf6+ { [%clk 0:08:59] } 19... Bxf6 { [%clk 0:03:42] } 20. Nd5 { [%clk 0:08:59] } 20... Bd8 { [%clk 0:02:35] } 21. b3 { [%clk 0:08:44] } 21... Nxa5 { [%clk 0:01:06] } 22. b4 { [%clk 0:08:41] } 22... Qd4 { [%clk 0:00:42] } 23. c3 { [%clk 0:08:19] } 1-0