Event: Round 1: Castro Silva, Juan David - Delgado Caballero, Nigel Alejandro
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--juvenil-masculino/round-1/jMDXnPbw/N2nfRbwr
Date: 2025-10-27
White: Castro Silva, Juan David
Black: Delgado Caballero, Nigel Alejandro
BlackElo: 1838
Result: 0-1
ECO: B00
Opening: Owen Defense
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:07] } 1... b6 { [%eval 0.68] [%clk 0:14:23] } 2. d4 { [%eval 0.7] [%clk 0:14:58] } 2... Bb7 { [%eval 0.63] [%clk 0:14:21] } 3. Nc3 { [%eval 0.6] [%clk 0:14:39] } 3... e6 { [%eval 0.64] [%clk 0:14:17] } 4. Bf4 { [%eval 0.21] [%clk 0:14:33] } 4... Bb4 { [%eval 0.29] [%clk 0:14:12] } 5. Ne2 { [%eval 0.14] [%clk 0:14:29] } 5... Bxe4 { [%eval 0.24] [%clk 0:14:04] } 6. a3 { [%eval 0.23] [%clk 0:14:16] } 6... Bxc3+ { [%eval 0.25] [%clk 0:13:56] } 7. bxc3?! { [%eval -0.78] } { Inaccuracy. Nxc3 was best. } { [%clk 0:14:14] } 7... Nf6 { [%eval -0.81] [%clk 0:13:42] } 8. Ng3 { [%eval -1.07] [%clk 0:14:06] } 8... Bb7 { [%eval -0.72] [%clk 0:14:10] } 9. Bd3 { [%eval -0.66] [%clk 0:14:13] } 9... O-O { [%eval -0.48] [%clk 0:14:17] } 10. O-O { [%eval -0.7] [%clk 0:14:20] } 10... d6 { [%eval -0.55] [%clk 0:14:25] } 11. Re1 { [%eval -0.75] [%clk 0:14:11] } 11... Nbd7 { [%eval -0.69] [%clk 0:14:27] } 12. Qd2 { [%eval -0.94] [%clk 0:14:11] } 12... Nd5 { [%eval -0.82] [%clk 0:14:28] } 13. c4?! { [%eval -1.78] } { Inaccuracy. Bg5 was best. } { [%clk 0:13:23] } 13... Nxf4 { [%eval -1.85] [%clk 0:14:35] } 14. Qxf4 { [%eval -1.8] [%clk 0:13:31] } 14... Qf6 { [%eval -1.81] [%clk 0:14:43] } 15. Qe4?? { [%eval -6.05] } { Blunder. Qxf6 was best. } { [%clk 0:13:07] } 15... Bxe4 { [%eval -5.95] [%clk 0:14:50] } 16. Nxe4 { [%eval -6.3] [%clk 0:13:14] } 16... Qxd4 { [%eval -6.35] [%clk 0:14:58] } 17. Rad1 { [%eval -6.28] [%clk 0:13:17] } 17... Nc5 { [%eval -6.32] [%clk 0:14:50] } 18. Nxc5 { [%eval -6.4] [%clk 0:13:23] } 18... Qxc5 { [%eval -6.59] [%clk 0:14:58] } 19. Be2 { [%eval -6.83] [%clk 0:13:22] } 19... Rad8 { [%eval -6.83] [%clk 0:14:58] } 20. a4 { [%eval -7.03] [%clk 0:13:30] } 20... d5 { [%eval -7.05] [%clk 0:15:06] } 21. cxd5 { [%eval -7.04] [%clk 0:13:37] } 21... Rxd5 { [%eval -6.88] [%clk 0:15:14] } 22. Rxd5 { [%eval -7.28] [%clk 0:13:40] } 22... Qxd5 { [%eval -7.19] [%clk 0:15:22] } 23. Bf3 { [%eval -7.46] [%clk 0:13:49] } 23... Qd2 { [%eval -7.53] [%clk 0:15:27] } 24. Rd1 { [%eval -7.43] [%clk 0:13:55] } 24... Qxc2 { [%eval -7.48] [%clk 0:15:33] } 25. Kf1 { [%eval -7.55] [%clk 0:13:14] } 25... c5 { [%eval -7.4] [%clk 0:15:31] } 26. Re1 { [%eval -8.07] [%clk 0:13:19] } 26... c4 { [%eval -8.07] [%clk 0:15:34] } 27. Be4 { [%eval -8.62] [%clk 0:13:27] } 27... Qxa4 { [%eval -8.25] [%clk 0:15:40] } 28. Rc1 { [%eval -8.74] [%clk 0:13:06] } 28... c3 { [%eval -8.5] [%clk 0:15:45] } 29. Ke2? { [%eval #-9] } { Checkmate is now unavoidable. Re1 was best. } { [%clk 0:13:11] } 29... Qxe4+ { [%eval #-8] [%clk 0:15:53] } 30. Kd1 { [%eval #-1] [%clk 0:13:16] } 30... Rd8# { [%clk 0:16:01] } 0-1