Event: Round 9: Guerra Mansilla, Jorge Maximilian - Casares Ugueto, Santiago de Jesus
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-9/kCRi38Dw/R7tBLd2G
White: Guerra Mansilla, Jorge Maximilian
WhiteElo: 1894
Black: Casares Ugueto, Santiago de Jesus
BlackElo: 1926
Result: 0-1
ECO: D11
Opening: Slav Defense: Quiet Variation
Variant: Standard
TimeControl: 45+10

1. c4 { [%eval 0.12] [%clk 0:45:15] } 1... c6 { [%eval 0.23] [%clk 0:45:19] } 2. d4 { [%eval 0.23] [%clk 0:45:23] } 2... d5 { [%eval 0.21] [%clk 0:45:28] } 3. Nf3 { [%eval 0.2] [%clk 0:45:32] } 3... Nf6 { [%eval 0.24] [%clk 0:45:37] } 4. e3 { [%eval 0.15] [%clk 0:45:41] } 4... a6 { [%eval 0.32] [%clk 0:45:44] } 5. Nbd2 { [%eval 0.13] [%clk 0:45:41] } 5... Bf5 { [%eval 0.25] [%clk 0:45:47] } 6. Nh4 { [%eval 0.15] [%clk 0:45:06] } 6... Bg4 { [%eval 0.4] [%clk 0:45:30] } 7. Qb3 { [%eval 0.13] [%clk 0:44:45] } 7... Ra7 { [%eval 0.51] [%clk 0:44:48] } 8. h3 { [%eval 0.66] [%clk 0:43:23] } 8... Bh5?! { [%eval 1.44] } { Inaccuracy. Bd7 was best. } { [%clk 0:40:46] } 9. g4 { [%eval 1.55] [%clk 0:43:29] } 9... Bg6 { [%eval 1.57] [%clk 0:40:56] } 10. Nxg6 { [%eval 1.41] [%clk 0:43:38] } 10... hxg6 { [%eval 1.35] [%clk 0:41:04] } 11. g5 { [%eval 1.5] [%clk 0:42:16] } 11... Ng8 { [%eval 1.53] [%clk 0:40:02] } 12. Bg2 { [%eval 1.47] [%clk 0:40:56] } 12... e6 { [%eval 1.46] [%clk 0:40:06] } 13. f4?! { [%eval 0.8] } { Inaccuracy. e4 was best. } { [%clk 0:39:02] } 13... Ne7 { [%eval 0.8] [%clk 0:40:10] } 14. O-O { [%eval 0.54] [%clk 0:38:52] } 14... Nf5 { [%eval 0.5] [%clk 0:39:30] } 15. Nf3 { [%eval 0.43] [%clk 0:38:18] } 15... Nd7 { [%eval 0.45] [%clk 0:36:57] } 16. Re1 { [%eval 0.38] [%clk 0:36:08] } 16... Bd6 { [%eval 0.48] [%clk 0:35:11] } 17. Bd2 { [%eval 0.43] [%clk 0:35:06] } 17... Bc7 { [%eval 0.74] [%clk 0:28:28] } 18. Bb4?! { [%eval 0.15] } { Inaccuracy. Rac1 was best. } { [%clk 0:34:49] } 18... a5 { [%eval 0.18] [%clk 0:25:10] } 19. Ba3?? { [%eval -2.24] } { Blunder. Bd2 was best. } { [%clk 0:33:16] } 19... dxc4 { [%eval -2.06] [%clk 0:24:21] } 20. Qc2 { [%eval -2.05] [%clk 0:30:41] } 20... Ne7?? { [%eval 0.67] } { Blunder. b5 was best. } { [%clk 0:16:14] } 21. Bxe7 { [%eval 0.2] [%clk 0:30:24] } 21... Qxe7 { [%eval 0.28] [%clk 0:16:22] } 22. Qxc4 { [%eval -0.02] [%clk 0:30:27] } 22... Nb6 { [%eval -0.07] [%clk 0:16:26] } 23. Qe2 { [%eval -0.11] [%clk 0:29:43] } 23... Ra8 { [%eval 0.12] [%clk 0:16:03] } 24. Ne5 { [%eval -0.09] [%clk 0:29:09] } 24... Bxe5 { [%eval -0.05] [%clk 0:15:56] } 25. dxe5 { [%eval -0.12] [%clk 0:29:18] } 25... Rd8 { [%eval -0.1] [%clk 0:15:20] } 26. Rad1 { [%eval -0.1] [%clk 0:29:24] } 26... O-O { [%eval -0.07] [%clk 0:14:29] } 27. h4 { [%eval -0.04] [%clk 0:29:14] } 27... Rxd1 { [%eval -0.01] [%clk 0:14:37] } 28. Rxd1 { [%eval -0.06] [%clk 0:29:23] } 28... Rd8 { [%eval -0.05] [%clk 0:14:46] } 29. Be4 { [%eval -0.52] [%clk 0:28:43] } 29... Rxd1+ { [%eval -0.42] [%clk 0:14:40] } 30. Qxd1 { [%eval -0.59] [%clk 0:28:48] } 30... Qb4 { [%eval -0.13] [%clk 0:13:55] } 31. h5?? { [%eval -3.8] } { Blunder. Qd8+ was best. } { [%clk 0:21:44] } 31... Qxe4 { [%eval -3.76] [%clk 0:12:51] } 32. Qd8+ { [%eval -3.85] [%clk 0:21:53] } 32... Kh7 { [%eval -3.74] [%clk 0:13:00] } 33. hxg6+ { [%eval -3.7] [%clk 0:22:01] } 33... Kxg6 { [%eval -3.36] [%clk 0:13:08] } 34. Qxb6 { [%eval -3.22] [%clk 0:22:09] } 34... Kh5 { [%eval -3.03] [%clk 0:12:32] } 35. Qb3 { [%eval -3.52] [%clk 0:19:14] } 35... Qf3 { [%eval -3.39] [%clk 0:11:02] } 36. Qc3?! { [%eval -4.31] } { Inaccuracy. Qd3 was best. } { [%clk 0:15:12] } 36... Qe2 { [%eval -4.16] [%clk 0:09:21] } 37. e4 { [%eval -4.69] [%clk 0:03:56] } 37... Kg4 { [%eval -4.19] [%clk 0:09:29] } 38. f5 { [%eval -4.15] [%clk 0:03:07] } 38... Qxe4 { [%eval -3.93] [%clk 0:08:25] } 39. fxe6 { [%eval -4.3] [%clk 0:02:39] } 39... fxe6 { [%eval -4.16] [%clk 0:08:33] } 40. Kf2 { [%eval -4.49] [%clk 0:01:53] } 40... Qf4+ { [%eval -4.39] [%clk 0:07:11] } 41. Kg2 { [%eval -4.52] [%clk 0:01:37] } 41... Qe4+ { [%eval -4.38] [%clk 0:06:53] } 42. Kf2 { [%eval -4.34] [%clk 0:01:42] } 42... Kxg5 { [%eval -4.26] [%clk 0:06:58] } 43. Qxa5 { [%eval -4.33] [%clk 0:00:57] } 43... Qd4+ { [%eval -4.37] [%clk 0:06:10] } 44. Kf1 { [%eval -4.36] [%clk 0:00:41] } 44... Qxb2 { [%eval -4.16] [%clk 0:05:20] } 45. Qd8+ { [%eval -4.35] [%clk 0:00:47] } 45... Kf4 { [%eval -4.32] [%clk 0:05:14] } 46. Qh4+ { [%eval -4.57] [%clk 0:00:28] } 46... Kxe5 { [%eval -4.5] [%clk 0:05:19] } 47. Qg5+ { [%eval -4.56] [%clk 0:00:26] } 47... Kd6 { [%eval -4.46] [%clk 0:05:14] } 48. Qd8+ { [%eval -4.41] [%clk 0:00:31] } 48... Kc5 { [%eval -4.52] [%clk 0:05:23] } 49. Qe7+ { [%eval -4.42] [%clk 0:00:34] } 49... Kb6 { [%eval -4.37] [%clk 0:05:16] } 50. Qxe6? { [%eval -8.95] } { Mistake. Qd8+ was best. } { [%clk 0:00:18] } 50... Qf6+ { [%eval -7.69] [%clk 0:05:25] } 0-1