Event: Round 4: Alzate Giraldo, Carlos Humberto - Ceballos Castellanos, Isabela
Date: 2025-03-09
White: Alzate Giraldo, Carlos Humberto
Black: Ceballos Castellanos, Isabela
BlackElo: 1858
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:16] } 1... c5 { [%eval 0.25] [%clk 0:15:15] } 2. Nf3 { [%eval 0.2] [%clk 0:15:17] } 2... Nc6 { [%eval 0.25] [%clk 0:15:18] } 3. d4 { [%eval 0.27] [%clk 0:15:23] } 3... cxd4 { [%eval 0.35] [%clk 0:15:24] } 4. Nxd4 { [%eval 0.21] [%clk 0:15:30] } 4... Nf6 { [%eval 0.19] [%clk 0:15:20] } 5. Nc3 { [%eval 0.26] [%clk 0:15:33] } 5... e5 { [%eval 0.34] [%clk 0:15:26] } 6. Ndb5 { [%eval 0.31] [%clk 0:15:30] } 6... d6 { [%eval 0.34] [%clk 0:15:30] } 7. Bg5 { [%eval 0.22] [%clk 0:15:31] } 7... a6 { [%eval 0.3] [%clk 0:15:17] } 8. Na3 { [%eval 0.25] [%clk 0:15:29] } 8... Be7 { [%eval 0.64] [%clk 0:15:18] } 9. Nc4 { [%eval 0.47] [%clk 0:15:21] } 9... Be6 { [%eval 0.43] [%clk 0:14:57] } 10. Be2 { [%eval -0.02] [%clk 0:14:57] } 10... b5 { [%eval 0.01] [%clk 0:14:16] } 11. Bxf6 { [%eval 0.0] [%clk 0:14:40] } 11... gxf6?? { [%eval 2.57] } { Blunder. bxc4 was best. } { [%clk 0:14:21] } 12. Ne3 { [%eval 2.59] [%clk 0:14:46] } 12... Rc8 { [%eval 2.96] [%clk 0:12:56] } 13. Ncd5 { [%eval 2.99] [%clk 0:14:49] } 13... Qa5+ { [%eval 3.52] [%clk 0:12:22] } 14. c3 { [%eval 3.48] [%clk 0:14:51] } 14... b4 { [%eval 3.27] [%clk 0:11:49] } 15. O-O { [%eval 3.44] [%clk 0:14:50] } 15... bxc3 { [%eval 3.42] [%clk 0:11:44] } 16. bxc3 { [%eval 3.31] [%clk 0:14:56] } 16... O-O { [%eval 3.87] [%clk 0:11:20] } 17. Qd3?! { [%eval 3.03] } { Inaccuracy. Bg4 was best. } { [%clk 0:14:37] } 17... Ra8 { [%eval 3.49] [%clk 0:10:38] } 18. c4?! { [%eval 2.19] } { Inaccuracy. Bg4 was best. } { [%clk 0:14:33] } 18... Qc5 { [%eval 2.49] [%clk 0:10:17] } 19. h3 { [%eval 2.2] [%clk 0:14:18] } 19... Ra7?! { [%eval 2.93] } { Inaccuracy. Qd4 was best. } { [%clk 0:10:06] } 20. Ng4?! { [%eval 2.19] } { Inaccuracy. Rab1 was best. } { [%clk 0:14:12] } 20... Bxg4?! { [%eval 3.27] } { Inaccuracy. Nd4 was best. } { [%clk 0:09:40] } 21. Bxg4 { [%eval 3.35] [%clk 0:14:15] } 21... Nb4? { [%eval 5.64] } { Mistake. Kh8 was best. } { [%clk 0:09:43] } 22. Qg3 { [%eval 5.78] [%clk 0:14:03] } 22... Kh8 { [%eval 6.0] [%clk 0:09:37] } 23. Qh4 { [%eval 5.95] [%clk 0:13:42] } 23... f5 { [%eval 7.52] [%clk 0:08:55] } 24. Nxe7 { [%eval 7.5] [%clk 0:13:47] } 24... fxg4 { [%clk 0:08:52] } 25. Qf6# { [%clk 0:13:53] } 1-0