Event: Round 6: Kotsur, Pavel - Santanna, Paulo
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-6/ogmqaxM9/BYiYdGSa
Date: 2025-10-26
White: Kotsur, Pavel
WhiteTitle: GM
WhiteElo: 2491
Black: Santanna, Paulo
BlackElo: 2013
Result: 1-0
ECO: B47
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:30:53] } 2. Nf3 { [%eval 0.2] [%clk 1:31:25] } 2... e6 { [%eval 0.28] [%clk 1:31:15] } 3. d4 { [%eval 0.4] [%clk 1:31:41] } 3... cxd4 { [%eval 0.29] [%clk 1:31:38] } 4. Nxd4 { [%eval 0.34] [%clk 1:32:09] } 4... Nc6 { [%eval 0.28] [%clk 1:31:47] } 5. Nc3 { [%eval 0.26] [%clk 1:32:26] } 5... Qc7 { [%eval 0.35] [%clk 1:32:06] } 6. a3 { [%eval 0.14] [%clk 1:32:30] } 6... Nf6 { [%eval 0.45] [%clk 1:31:48] } 7. Be3 { [%eval 0.46] [%clk 1:32:43] } 7... a6 { [%eval 0.4] [%clk 1:32:11] } 8. g4 { [%eval 0.06] [%clk 1:26:26] } 8... h5 { [%eval 0.1] [%clk 1:22:06] } 9. gxh5 { [%eval 0.1] [%clk 1:26:06] } 9... Rxh5 { [%eval 0.15] [%clk 1:21:35] } 10. h4 { [%eval 0.12] [%clk 1:26:19] } 10... b5 { [%eval 0.14] [%clk 1:09:49] } 11. Nxc6 { [%eval 0.16] [%clk 1:12:57] } 11... Qxc6 { [%eval 0.19] [%clk 1:09:22] } 12. Bg2 { [%eval 0.07] [%clk 1:07:59] } 12... Bb7 { [%eval 0.17] [%clk 1:06:20] } 13. f4 { [%eval -0.34] [%clk 0:59:06] } 13... Rc5? { [%eval 0.8] } { Mistake. b4 was best. } { [%clk 1:01:46] } 14. Bxc5 { [%eval 0.87] [%clk 0:58:16] } 14... Bxc5 { [%eval 0.82] [%clk 1:02:14] } 15. Qe2 { [%eval 0.28] [%clk 0:55:45] } 15... Bd4?? { [%eval 2.23] } { Blunder. b4 was best. } { [%clk 0:55:30] } 16. Rh3 { [%eval 2.21] [%clk 0:55:56] } 16... Qb6?! { [%eval 3.0] } { Inaccuracy. Qc4 was best. } { [%clk 0:53:35] } 17. O-O-O { [%eval 2.87] [%clk 0:48:55] } 17... Rc8 { [%eval 3.5] [%clk 0:53:01] } 18. Qd2?! { [%eval 2.54] } { Inaccuracy. e5 was best. } { [%clk 0:49:08] } 18... Rc4?! { [%eval 3.32] } { Inaccuracy. e5 was best. } { [%clk 0:50:41] } 19. e5 { [%eval 3.28] [%clk 0:45:16] } 19... b4 { [%eval 3.9] [%clk 0:41:33] } 20. Na4 { [%eval 3.8] [%clk 0:42:56] } 20... bxa3? { [%eval 6.78] } { Mistake. Qc7 was best. } { [%clk 0:39:50] } 21. Nxb6 { [%eval 6.78] [%clk 0:43:06] } 1-0