Event: Round 3: Rojas Velasco, Jhon Sebastian - Copete Castillo, Oscar David
Date: 2025-04-05
White: Rojas Velasco, Jhon Sebastian
WhiteElo: 1876
Black: Copete Castillo, Oscar David
Result: 0-1
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard
TimeControl: 15+10

1. Nf3 { [%eval 0.14] [%clk 0:14:07] } 1... c5 { [%eval 0.25] [%clk 0:15:18] } 2. c3 { [%eval 0.0] [%clk 0:14:00] } 2... d5 { [%eval 0.1] [%clk 0:15:24] } 3. d4 { [%eval 0.0] [%clk 0:14:07] } 3... Nc6 { [%eval 0.37] [%clk 0:15:31] } 4. Nbd2?! { [%eval -0.22] } { Inaccuracy. dxc5 was best. } { [%clk 0:13:36] } 4... cxd4 { [%eval -0.25] [%clk 0:15:38] } 5. cxd4 { [%eval -0.29] [%clk 0:13:44] } 5... Nf6 { [%eval -0.21] [%clk 0:15:42] } 6. e3 { [%eval -0.23] [%clk 0:13:45] } 6... Bf5 { [%eval -0.29] [%clk 0:15:50] } 7. a3 { [%eval -0.26] [%clk 0:13:49] } 7... h6 { [%eval -0.22] [%clk 0:15:48] } 8. Bb5 { [%eval -0.5] [%clk 0:13:52] } 8... e6 { [%eval -0.57] [%clk 0:15:24] } 9. O-O { [%eval -0.54] [%clk 0:13:55] } 9... Bg4? { [%eval 0.57] } { Mistake. Bd6 was best. } { [%clk 0:15:30] } 10. Qa4 { [%eval 0.47] [%clk 0:14:02] } 10... Qb6 { [%eval 0.77] [%clk 0:15:15] } 11. Ne5 { [%eval 0.75] [%clk 0:14:10] } 11... Rc8?! { [%eval 1.61] } { Inaccuracy. a6 was best. } { [%clk 0:15:04] } 12. Nxg4? { [%eval 0.28] } { Mistake. Nb3 was best. } { [%clk 0:13:43] } 12... Nxg4 { [%eval 0.29] [%clk 0:15:10] } 13. e4 { [%eval -0.14] [%clk 0:11:14] } 13... a6 { [%eval -0.01] [%clk 0:14:51] } 14. Be2 { [%eval -0.29] [%clk 0:11:07] } 14... Nf6 { [%eval -0.3] [%clk 0:14:52] } 15. e5 { [%eval -0.82] [%clk 0:11:14] } 15... Nd7? { [%eval 0.71] } { Mistake. Qxd4 was best. } { [%clk 0:14:45] } 16. Nf3 { [%eval 0.66] [%clk 0:11:15] } 16... Be7 { [%eval 0.77] [%clk 0:14:48] } 17. Rb1 { [%eval 0.46] [%clk 0:10:40] } 17... O-O { [%eval 0.57] [%clk 0:14:49] } 18. Be3 { [%eval 0.52] [%clk 0:10:05] } 18... Qa7?! { [%eval 1.18] } { Inaccuracy. f6 was best. } { [%clk 0:13:20] } 19. b4? { [%eval -0.35] } { Mistake. Qd1 was best. } { [%clk 0:09:45] } 19... Nb6? { [%eval 0.77] } { Mistake. b5 was best. } { [%clk 0:13:17] } 20. Qb3?! { [%eval -0.19] } { Inaccuracy. Qd1 was best. } { [%clk 0:09:42] } 20... Rc7?! { [%eval 0.67] } { Inaccuracy. Nc4 was best. } { [%clk 0:13:16] } 21. Rfc1 { [%eval 0.29] [%clk 0:07:43] } 21... Rfc8 { [%eval 0.32] [%clk 0:13:21] } 22. Rc2?? { [%eval -2.22] } { Blunder. Qd3 was best. } { [%clk 0:07:15] } 22... Nxe5 { [%eval -2.21] [%clk 0:12:00] } 23. dxe5?! { [%eval -3.26] } { Inaccuracy. Rxc7 was best. } { [%clk 0:07:23] } 23... Rxc2 { [%eval -3.3] [%clk 0:12:03] } 24. Bc5?! { [%eval -4.9] } { Inaccuracy. Bd3 was best. } { [%clk 0:07:16] } 24... Bxc5 { [%eval -4.79] [%clk 0:10:54] } 25. bxc5 { [%eval -4.92] [%clk 0:07:24] } 25... R8xc5 { [%eval -4.73] [%clk 0:09:42] } 26. Qxb6 { [%eval -5.99] [%clk 0:07:23] } 26... Qxb6 { [%eval -5.95] [%clk 0:09:47] } 27. Rxb6 { [%eval -5.85] [%clk 0:07:31] } 27... Rxe2 { [%eval -5.9] [%clk 0:09:55] } 28. g3 { [%eval -7.06] [%clk 0:06:44] } 28... Rc1+ { [%eval -7.07] [%clk 0:09:55] } 29. Kg2 { [%eval -6.93] [%clk 0:06:52] } 29... Rcc2 { [%eval -6.68] [%clk 0:10:00] } 0-1