Event: Round 4: Casares Sanchez, Marcos Antonio - Sierra, Edinson
Date: 2025-06-08
White: Casares Sanchez, Marcos Antonio
WhiteElo: 1878
Black: Sierra, Edinson
BlackElo: 1786
Result: 1-0
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:17] } 1... c5 { [%eval 0.25] [%clk 0:15:18] } 2. Nf3 { [%eval 0.2] [%clk 0:15:25] } 2... Nc6 { [%eval 0.25] [%clk 0:15:27] } 3. Bb5 { [%eval 0.17] [%clk 0:15:34] } 3... Nd4 { [%eval 0.52] [%clk 0:15:35] } 4. Nxd4 { [%eval 0.43] [%clk 0:15:40] } 4... cxd4 { [%eval 0.6] [%clk 0:15:43] } 5. c3 { [%eval 0.36] [%clk 0:15:41] } 5... e5 { [%eval 0.86] [%clk 0:15:44] } 6. O-O?! { [%eval 0.29] } { Inaccuracy. cxd4 was best. } { [%clk 0:15:48] } 6... Nf6?! { [%eval 1.14] } { Inaccuracy. Bc5 was best. } { [%clk 0:15:40] } 7. cxd4 { [%eval 1.23] [%clk 0:15:50] } 7... Qb6?? { [%eval 3.62] } { Blunder. exd4 was best. } { [%clk 0:15:27] } 8. dxe5 { [%eval 3.47] [%clk 0:15:37] } 8... Nxe4 { [%eval 3.6] [%clk 0:15:33] } 9. Qa4?? { [%eval 0.73] } { Blunder. Qe2 was best. } { [%clk 0:15:23] } 9... Nxf2?? { [%eval 3.93] } { Blunder. Nc5 was best. } { [%clk 0:15:31] } 10. d4 { [%eval 4.02] [%clk 0:15:09] } 10... Ng4 { [%eval 4.82] [%clk 0:15:31] } 11. h3 { [%eval 4.36] [%clk 0:15:02] } 11... Nh6?! { [%eval 5.65] } { Inaccuracy. Nxe5 was best. } { [%clk 0:15:12] } 12. Bxh6 { [%eval 5.19] [%clk 0:14:58] } 12... gxh6 { [%eval 6.33] [%clk 0:15:20] } 13. Nc3 { [%eval 5.98] [%clk 0:15:00] } 13... a6 { [%eval 7.22] [%clk 0:15:26] } 14. Nd5 { [%eval 7.54] [%clk 0:15:05] } 14... axb5 { [%eval 7.51] [%clk 0:14:32] } 15. Qxa8 { [%eval 7.4] [%clk 0:14:43] } 15... Qxd4+ { [%eval 7.26] [%clk 0:14:40] } 16. Kh1 { [%eval 7.29] [%clk 0:14:52] } 16... Qxd5 { [%eval 6.71] [%clk 0:14:47] } 17. Qxc8+ { [%eval 6.39] [%clk 0:15:00] } 17... Ke7 { [%eval 6.37] [%clk 0:14:56] } 18. Rad1 { [%eval 6.28] [%clk 0:15:07] } 18... Qc6 { [%eval 7.44] [%clk 0:14:58] } 19. Rxd7+ { [%eval 7.51] [%clk 0:15:01] } 19... Qxd7 { [%eval 7.46] [%clk 0:15:04] } 20. Rxf7+ { [%eval 7.23] [%clk 0:15:08] } 20... Ke6? { [%eval #6] } { Checkmate is now unavoidable. Kxf7 was best. } { [%clk 0:15:07] } 21. Qxd7+ { [%eval #5] [%clk 0:15:18] } 1-0