Event: Round 7: Medina Castillo, Benjamin Ignacio - Ayala Delgado, Sergio Alejandro
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-7/XX3U7QQH/KpPEQb0s
White: Medina Castillo, Benjamin Ignacio
WhiteElo: 1734
Black: Ayala Delgado, Sergio Alejandro
BlackElo: 1970
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:18] } 1... c5 { [%eval 0.24] [%clk 0:44:17] } 2. Nf3 { [%eval 0.2] [%clk 0:45:25] } 2... e6 { [%eval 0.28] [%clk 0:44:19] } 3. Nc3 { [%eval 0.26] [%clk 0:45:33] } 3... Nc6 { [%eval 0.31] [%clk 0:44:21] } 4. d4 { [%eval 0.36] [%clk 0:45:41] } 4... cxd4 { [%eval 0.34] [%clk 0:44:20] } 5. Nxd4 { [%eval 0.26] [%clk 0:45:50] } 5... Nf6 { [%eval 0.35] [%clk 0:44:20] } 6. Ndb5 { [%eval 0.25] [%clk 0:45:58] } 6... Bb4 { [%eval 0.28] [%clk 0:44:17] } 7. a3 { [%eval 0.23] [%clk 0:46:06] } 7... Bxc3+ { [%eval 0.29] [%clk 0:44:19] } 8. Nxc3 { [%eval 0.26] [%clk 0:46:14] } 8... d5 { [%eval 0.3] [%clk 0:44:22] } 9. exd5 { [%eval 0.3] [%clk 0:45:29] } 9... exd5 { [%eval 0.31] [%clk 0:44:25] } 10. Bd3 { [%eval 0.3] [%clk 0:45:33] } 10... O-O { [%eval 0.23] [%clk 0:44:26] } 11. O-O { [%eval 0.19] [%clk 0:45:33] } 11... Bg4 { [%eval 0.31] [%clk 0:44:27] } 12. Qd2 { [%eval 0.09] [%clk 0:38:10] } 12... Re8 { [%eval 0.07] [%clk 0:42:41] } 13. h3 { [%eval 0.1] [%clk 0:36:27] } 13... Bh5 { [%eval 0.15] [%clk 0:42:36] } 14. Qg5 { [%eval -0.21] [%clk 0:33:17] } 14... Bg6 { [%eval -0.27] [%clk 0:35:52] } 15. Bxg6 { [%eval -0.34] [%clk 0:33:23] } 15... hxg6 { [%eval -0.39] [%clk 0:35:54] } 16. Bf4 { [%eval -0.41] [%clk 0:33:28] } 16... d4 { [%eval -0.52] [%clk 0:32:06] } 17. Nb5 { [%eval -0.82] [%clk 0:33:30] } 17... Re2 { [%eval -0.74] [%clk 0:30:44] } 18. Rac1?! { [%eval -1.47] } { Inaccuracy. c3 was best. } { [%clk 0:31:45] } 18... Qd7 { [%eval -0.99] [%clk 0:23:41] } 19. Rfd1 { [%eval -1.4] [%clk 0:29:32] } 19... Ne4 { [%eval -1.63] [%clk 0:19:29] } 20. Qh4? { [%eval -3.62] } { Mistake. Qg4 was best. } { [%clk 0:25:45] } 20... g5 { [%eval -3.67] [%clk 0:16:18] } 21. Bxg5 { [%eval -3.69] [%clk 0:24:42] } 21... Nxg5 { [%eval -3.59] [%clk 0:16:19] } 22. Nxd4 { [%eval -3.65] [%clk 0:23:03] } 22... Nxd4 { [%eval -3.55] [%clk 0:16:17] } 23. Rxd4 { [%eval -3.3] [%clk 0:20:55] } 23... Qe7 { [%eval -3.33] [%clk 0:15:55] } 24. Qg4 { [%eval -3.79] [%clk 0:18:37] } 24... Re1+ { [%eval -3.38] [%clk 0:15:39] } 25. Rxe1 { [%eval -3.35] [%clk 0:18:45] } 25... Qxe1+ { [%eval -3.45] [%clk 0:15:39] } 26. Kh2 { [%eval -3.65] [%clk 0:18:45] } 26... Ne6 { [%eval -3.39] [%clk 0:13:39] } 27. Rd7 { [%eval -3.81] [%clk 0:18:04] } 27... Qe5+ { [%eval -3.65] [%clk 0:13:37] } 28. Qg3 { [%eval -4.09] [%clk 0:17:34] } 28... Qxg3+? { [%eval -2.31] } { Mistake. Qxb2 was best. } { [%clk 0:13:32] } 29. Kxg3 { [%eval -2.45] [%clk 0:17:43] } 29... Rb8 { [%eval -2.4] [%clk 0:13:17] } 30. f4 { [%eval -2.47] [%clk 0:17:32] } 30... Kf8 { [%eval -2.11] [%clk 0:13:05] } 31. f5 { [%eval -2.13] [%clk 0:16:25] } 31... Nc5 { [%eval -2.23] [%clk 0:13:11] } 32. Rc7 { [%eval -2.24] [%clk 0:16:31] } 32... Na6 { [%eval -1.82] [%clk 0:13:15] } 33. Rc4 { [%eval -1.9] [%clk 0:16:25] } 33... Rd8 { [%eval -2.03] [%clk 0:12:55] } 34. Kf4 { [%eval -1.91] [%clk 0:16:26] } 34... Ke7 { [%eval -1.92] [%clk 0:11:38] } 35. g4 { [%eval -2.32] [%clk 0:16:11] } 35... Nb8 { [%eval -2.25] [%clk 0:11:35] } 36. c3?! { [%eval -2.98] } { Inaccuracy. b4 was best. } { [%clk 0:15:10] } 36... Nc6 { [%eval -2.91] [%clk 0:11:27] } 37. Re4+ { [%eval -3.09] [%clk 0:14:08] } 37... Kd7?! { [%eval -2.22] } { Inaccuracy. Kf8 was best. } { [%clk 0:11:10] } 38. Kg5?! { [%eval -3.06] } { Inaccuracy. h4 was best. } { [%clk 0:09:44] } 38... Re8 { [%eval -2.89] [%clk 0:10:58] } 39. Rc4?! { [%eval -4.02] } { Inaccuracy. Kf4 was best. } { [%clk 0:09:18] } 39... b5?! { [%eval -3.14] } { Inaccuracy. f6+ was best. } { [%clk 0:10:57] } 40. Rf4 { [%eval -3.15] [%clk 0:08:59] } 40... Re2 { [%eval -3.12] [%clk 0:09:23] } 41. f6? { [%eval -5.5] } { Mistake. h4 was best. } { [%clk 0:08:54] } 41... Re5+ { [%eval -5.42] [%clk 0:09:21] } 42. Rf5 { [%eval -5.32] [%clk 0:08:45] } 42... g6 { [%eval -5.16] [%clk 0:09:27] } 43. Rxe5 { [%eval -5.04] [%clk 0:08:18] } 43... Nxe5 { [%eval -5.14] [%clk 0:09:32] } 44. Kh6 { [%eval -5.96] [%clk 0:07:48] } 44... Ke6 { [%eval -5.63] [%clk 0:08:27] } 45. g5 { [%eval -6.29] [%clk 0:06:58] } 45... Nc4 { [%eval -5.85] [%clk 0:05:05] } 46. b3 { [%eval -6.62] [%clk 0:05:14] } 46... Nxa3 { [%eval -6.56] [%clk 0:05:10] } 47. h4 { [%eval -6.69] [%clk 0:05:23] } 47... Nc2 { [%eval -6.45] [%clk 0:03:18] } 48. h5 { [%eval -6.46] [%clk 0:05:29] } 48... gxh5 { [%eval -7.28] [%clk 0:02:37] } 49. g6 { [%eval -6.99] [%clk 0:05:38] } 49... Ne3 { [%eval -7.22] [%clk 0:02:44] } 50. g7 { [%eval -8.34] [%clk 0:03:47] } 50... Ng4+ { [%eval -7.56] [%clk 0:02:49] } 51. Kxh5 { [%eval -9.6] [%clk 0:03:56] } 51... Nxf6+ { [%eval -9.6] [%clk 0:02:52] } 52. Kg5 { [%eval -8.32] [%clk 0:03:37] } 52... Ng8 { [%eval -7.67] [%clk 0:02:52] } 53. c4? { [%eval #-19] } { Checkmate is now unavoidable. b4 was best. } { [%clk 0:03:23] } 53... bxc4 { [%eval #-14] [%clk 0:02:55] } 54. bxc4 { [%eval #-14] [%clk 0:03:32] } 54... a5 { [%eval #-13] [%clk 0:02:59] } 55. c5 { [%eval #-13] [%clk 0:03:41] } 55... Kd5 { [%eval #-12] [%clk 0:02:56] } 0-1