Event: Round 5: Cruz de la Osa, Reyder - Mendonca, Leon Luke
Date: 2024-08-04
White: Cruz de la Osa, Reyder
WhiteTitle: FM
WhiteElo: 2175
Black: Mendonca, Leon Luke
BlackTitle: GM
BlackElo: 2458
Result: 0-1
ECO: B95
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 0:15:08] } 1... c5 { [%eval 0.25] [%clk 0:15:08] } 2. Nf3 { [%eval 0.22] [%clk 0:15:08] } 2... d6 { [%eval 0.26] [%clk 0:15:11] } 3. d4 { [%eval 0.26] [%clk 0:15:12] } 3... cxd4 { [%eval 0.31] [%clk 0:15:15] } 4. Nxd4 { [%eval 0.18] [%clk 0:15:15] } 4... Nf6 { [%eval 0.24] [%clk 0:15:18] } 5. Nc3 { [%eval 0.18] [%clk 0:15:19] } 5... a6 { [%eval 0.21] [%clk 0:15:23] } 6. Bg5 { [%eval 0.08] [%clk 0:15:22] } 6... e6 { [%eval 0.06] [%clk 0:14:55] } 7. Qe2 { [%eval 0.0] [%clk 0:15:20] } 7... Be7 { [%eval -0.09] [%clk 0:13:33] } 8. h4 { [%eval -0.11] [%clk 0:15:24] } 8... Qc7 { [%eval 0.41] [%clk 0:12:32] } 9. O-O-O { [%eval 0.51] [%clk 0:15:24] } 9... b5 { [%eval 0.48] [%clk 0:11:59] } 10. a3 { [%eval 0.48] [%clk 0:15:27] } 10... Bb7 { [%eval 0.56] [%clk 0:11:24] } 11. g4 { [%eval 0.22] [%clk 0:15:28] } 11... Nbd7?! { [%eval 0.88] } { Inaccuracy. O-O was best. } { [%clk 0:11:02] } 12. Bd2?! { [%eval 0.05] } { Inaccuracy. Kb1 was best. } { [%clk 0:14:45] } 12... Ne5?? { [%eval 2.09] } { Blunder. d5 was best. } { [%clk 0:08:46] } 13. g5 { [%eval 2.15] } 13... Nfd7 { [%eval 1.81] } 14. Bh3?! { [%eval 0.73] } { Inaccuracy. f4 was best. } { [%clk 0:14:19] } 14... Nc5? { [%eval 2.09] } { Mistake. Qc4 was best. } { [%clk 0:07:42] } 15. f4 { [%eval 2.18] [%clk 0:09:04] } 15... Nc4 { [%eval 2.0] [%clk 0:07:46] } 16. Be1? { [%eval 0.71] } { Mistake. f5 was best. } { [%clk 0:09:08] } 16... d5 { [%eval 1.11] [%clk 0:07:41] } 17. exd5 { [%eval 1.33] [%clk 0:08:46] } 17... Qxf4+ { [%eval 1.27] [%clk 0:07:44] } 18. Kb1 { [%eval 1.19] [%clk 0:08:51] } 18... O-O { [%eval 1.1] [%clk 0:07:17] } 19. Rf1 { [%eval 0.84] [%clk 0:04:51] } 19... Qe3 { [%eval 0.65] [%clk 0:07:21] } 20. Qg2?? { [%eval -1.05] } { Blunder. Qg4 was best. } { [%clk 0:04:54] } 20... Na4? { [%eval 0.22] } { Mistake. Nxb2 was best. } { [%clk 0:04:56] } 21. Nxa4?? { [%eval -1.53] } { Blunder. Rd3 was best. } { [%clk 0:02:09] } 21... Bxd5 { [%eval -1.6] [%clk 0:04:36] } 22. Qg4 { [%eval -1.57] [%clk 0:01:27] } 22... bxa4 { [%eval -1.55] [%clk 0:04:29] } 23. Rd3 { [%eval -1.64] [%clk 0:01:18] } 23... Qe4 { [%eval -1.46] [%clk 0:04:00] } 24. Qg1?? { [%eval -5.45] } { Blunder. Qxe4 was best. } { [%clk 0:00:07] } 24... Rab8 { [%eval -5.64] [%clk 0:03:57] } 25. Bc3 { [%eval -5.83] [%clk 0:00:11] } 25... Bxa3 { [%eval -5.5] [%clk 0:03:33] } 26. b3?! { [%eval -7.32] } { Inaccuracy. Ka1 was best. } { [%clk 0:00:12] } 26... axb3 { [%eval -7.23] [%clk 0:03:34] } 27. Re1 { [%eval -6.33] [%clk 0:00:13] } 27... bxc2+ { [%eval -6.13] } 28. Kxc2 { [%eval -6.26] [%clk 0:00:17] } 28... Qxh4 { [%eval -5.82] [%clk 0:03:09] } 29. Bg2 { [%eval -7.16] } 0-1