Event: Round 1: Derick, Christopher - Gonzalez Bolivar, Juan Jose
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--pre-juvenil-masculino/round-1/TP92t6eK/XcHpsmNt
Date: 2025-10-27
White: Derick, Christopher
Black: Gonzalez Bolivar, Juan Jose
BlackElo: 1978
Result: 0-1
ECO: C48
Opening: Four Knights Game: Spanish Variation
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:19] } 1... e5 { [%eval 0.22] [%clk 0:15:19] } 2. Nf3 { [%eval 0.13] [%clk 0:15:27] } 2... Nc6 { [%eval 0.21] [%clk 0:15:28] } 3. Nc3 { [%eval 0.06] [%clk 0:15:27] } 3... Nf6 { [%eval 0.07] [%clk 0:15:36] } 4. Bb5 { [%eval 0.04] [%clk 0:15:24] } 4... d6?! { [%eval 0.59] } { Inaccuracy. Nd4 was best. } { [%clk 0:15:11] } 5. d3 { [%eval 0.21] [%clk 0:15:28] } 5... Be7 { [%eval 0.25] [%clk 0:15:19] } 6. Be3 { [%eval -0.1] [%clk 0:15:33] } 6... a6 { [%eval 0.1] [%clk 0:15:28] } 7. Ba4 { [%eval -0.35] [%clk 0:15:40] } 7... O-O { [%eval -0.03] [%clk 0:15:34] } 8. Qd2 { [%eval -0.4] [%clk 0:15:46] } 8... Bg4 { [%eval -0.15] [%clk 0:15:41] } 9. h3?! { [%eval -0.8] } { Inaccuracy. Bxc6 was best. } { [%clk 0:15:52] } 9... Be6? { [%eval 0.38] } { Mistake. Bxf3 was best. } { [%clk 0:15:50] } 10. O-O { [%eval 0.02] [%clk 0:15:34] } 10... b5 { [%eval 0.04] [%clk 0:15:46] } 11. Bb3 { [%eval 0.01] [%clk 0:15:34] } 11... d5 { [%eval 0.01] [%clk 0:15:46] } 12. exd5 { [%eval 0.0] [%clk 0:15:31] } 12... Nxd5 { [%eval 0.03] [%clk 0:15:55] } 13. Nxd5 { [%eval -0.17] [%clk 0:15:34] } 13... Bxd5 { [%eval -0.07] [%clk 0:16:04] } 14. Bxd5 { [%eval -0.24] [%clk 0:15:38] } 14... Qxd5 { [%eval -0.26] [%clk 0:16:12] } 15. Ng5?? { [%eval -2.47] } { Blunder. Rfc1 was best. } { [%clk 0:15:36] } 15... Rad8?? { [%eval -0.67] } { Blunder. f5 was best. } { [%clk 0:16:09] } 16. Rad1? { [%eval -2.42] } { Mistake. Nf3 was best. } { [%clk 0:15:14] } 16... h6? { [%eval -0.84] } { Mistake. f5 was best. } { [%clk 0:16:17] } 17. Rfe1?? { [%eval -4.45] } { Blunder. Nf3 was best. } { [%clk 0:15:02] } 17... Bxg5 { [%eval -4.35] [%clk 0:16:22] } 18. Bxg5 { [%eval -4.37] [%clk 0:15:09] } 18... hxg5 { [%eval -4.33] [%clk 0:16:30] } 19. Qxg5 { [%eval -4.41] [%clk 0:15:08] } 19... Qd6 { [%eval -4.09] [%clk 0:16:36] } 20. d4 { [%eval -4.6] [%clk 0:15:08] } 20... exd4 { [%eval -4.42] [%clk 0:16:39] } 21. c3 { [%eval -5.0] [%clk 0:14:55] } 21... Qf6 { [%eval -4.23] [%clk 0:16:46] } 22. Qxf6 { [%eval -4.21] [%clk 0:14:29] } 22... gxf6 { [%eval -4.2] [%clk 0:16:54] } 23. c4 { [%eval -5.21] [%clk 0:14:26] } 23... bxc4 { [%eval -5.16] [%clk 0:17:00] } 24. b3 { [%eval -5.8] [%clk 0:14:35] } 24... c3 { [%eval -5.8] [%clk 0:17:07] } 25. a3 { [%eval -6.47] [%clk 0:14:41] } 25... d3 { [%eval -6.17] [%clk 0:17:15] } 26. Rc1 { [%eval -7.2] [%clk 0:14:47] } 26... d2 { [%eval -7.04] [%clk 0:17:23] } 27. Rxc3? { [%eval #-6] } { Checkmate is now unavoidable. Red1 was best. } { [%clk 0:14:53] } 27... dxe1=Q+ { [%eval #-5] [%clk 0:17:27] } 28. Kh2 { [%eval #-5] [%clk 0:15:03] } 28... Qxc3 { [%eval #-4] [%clk 0:17:34] } 29. f4 { [%eval #-3] [%clk 0:15:07] } 29... Rd2 { [%eval #-2] [%clk 0:17:42] } 30. a4 { [%eval #-2] [%clk 0:15:09] } 30... Rfd8 { [%eval #-2] [%clk 0:17:50] } 31. b4 { [%eval #-2] [%clk 0:15:09] } 31... Rxg2+ { [%eval #-2] [%clk 0:17:57] } 32. Kxg2 { [%eval #-2] [%clk 0:15:08] } 32... Rd2+ { [%eval #-1] [%clk 0:18:05] } 33. Kh1 { [%eval #-1] [%clk 0:15:13] } 33... Qc1# { [%clk 0:18:14] } 0-1