Event: Round 7: Ortiz Menacho, Sebastian Alonso - Guerra Mansilla, Jorge Maximilian
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-7/XX3U7QQH/7NOmgOsp
White: Ortiz Menacho, Sebastian Alonso
WhiteElo: 1983
Black: Guerra Mansilla, Jorge Maximilian
BlackElo: 1894
Result: 1-0
ECO: B63
Opening: Sicilian Defense: Richter-Rauzer Variation, Classical Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:18] } 1... c5 { [%eval 0.24] [%clk 0:45:20] } 2. Nf3 { [%eval 0.2] [%clk 0:45:23] } 2... Nc6 { [%eval 0.3] [%clk 0:45:28] } 3. d4 { [%eval 0.27] [%clk 0:45:29] } 3... cxd4 { [%eval 0.27] [%clk 0:45:36] } 4. Nxd4 { [%eval 0.21] [%clk 0:45:34] } 4... Nf6 { [%eval 0.19] [%clk 0:45:42] } 5. Nc3 { [%eval 0.26] [%clk 0:45:40] } 5... d6 { [%eval 0.3] [%clk 0:45:50] } 6. Bg5 { [%eval 0.25] [%clk 0:45:45] } 6... e6 { [%eval 0.39] [%clk 0:45:55] } 7. Qd2 { [%eval 0.33] [%clk 0:45:52] } 7... Be7 { [%eval 0.32] [%clk 0:45:54] } 8. O-O-O { [%eval 0.39] [%clk 0:45:51] } 8... a6 { [%eval 0.39] [%clk 0:45:52] } 9. f4 { [%eval 0.3] [%clk 0:45:18] } 9... h6?! { [%eval 0.87] } { Inaccuracy. Bd7 was best. } { [%clk 0:45:42] } 10. Bxf6 { [%eval 0.88] [%clk 0:42:10] } 10... gxf6 { [%eval 0.94] [%clk 0:45:50] } 11. f5 { [%eval 0.71] [%clk 0:41:48] } 11... Nxd4 { [%eval 0.83] [%clk 0:44:14] } 12. Qxd4 { [%eval 0.73] [%clk 0:41:54] } 12... Qa5 { [%eval 0.79] [%clk 0:43:47] } 13. Kb1 { [%eval 0.85] [%clk 0:39:24] } 13... Qc5 { [%eval 0.93] [%clk 0:43:49] } 14. Qd3 { [%eval 0.93] [%clk 0:37:16] } 14... b5 { [%eval 1.39] [%clk 0:43:17] } 15. Qg3 { [%eval 1.57] [%clk 0:36:58] } 15... Bd7 { [%eval 1.53] [%clk 0:34:11] } 16. Qg7 { [%eval 1.72] [%clk 0:26:32] } 16... Rf8 { [%eval 1.53] [%clk 0:34:20] } 17. Bd3 { [%eval 1.11] [%clk 0:25:07] } 17... b4 { [%eval 1.13] [%clk 0:34:01] } 18. Ne2 { [%eval 1.02] [%clk 0:24:54] } 18... e5 { [%eval 1.36] [%clk 0:33:38] } 19. Qxh6 { [%eval 1.53] [%clk 0:24:45] } 19... a5 { [%eval 1.54] [%clk 0:32:59] } 20. Qd2 { [%eval 1.45] [%clk 0:23:34] } 20... a4 { [%eval 1.55] [%clk 0:28:57] } 21. c3 { [%eval 1.24] [%clk 0:07:16] } 21... Rb8?! { [%eval 2.1] } { Inaccuracy. b3 was best. } { [%clk 0:22:38] } 22. cxb4 { [%eval 1.99] [%clk 0:06:29] } 22... Rxb4?! { [%eval 3.2] } { Inaccuracy. Qxb4 was best. } { [%clk 0:22:45] } 23. Rc1 { [%eval 3.26] [%clk 0:06:31] } 23... Qb6 { [%eval 3.22] [%clk 0:22:36] } 24. Rc4?? { [%eval 0.03] } { Blunder. a3 was best. } { [%clk 0:06:07] } 24... Rxc4?? { [%eval 1.85] } { Blunder. d5 was best. } { [%clk 0:21:58] } 25. Bxc4 { [%eval 1.73] [%clk 0:06:15] } 25... Qf2? { [%eval 3.12] } { Mistake. d5 was best. } { [%clk 0:21:28] } 26. Rd1 { [%eval 2.99] [%clk 0:05:09] } 26... Qxg2? { [%eval 4.78] } { Mistake. Bc6 was best. } { [%clk 0:15:07] } 27. Nc3?? { [%eval 1.6] } { Blunder. Qd5 was best. } { [%clk 0:05:18] } 27... Qxd2 { [%eval 1.28] [%clk 0:14:06] } 28. Rxd2 { [%eval 1.15] [%clk 0:05:27] } 28... Rh8 { [%eval 1.09] [%clk 0:14:01] } 29. a3 { [%eval 0.84] [%clk 0:03:24] } 29... Rh4 { [%eval 0.9] [%clk 0:13:58] } 30. Bd3 { [%eval 0.68] [%clk 0:03:33] } 30... Bc6 { [%eval 0.8] [%clk 0:13:54] } 31. Bc2 { [%eval 1.04] [%clk 0:03:42] } 31... Kd7?? { [%eval 3.23] } { Blunder. Kf8 was best. } { [%clk 0:09:41] } 32. Re2?? { [%eval 1.04] } { Blunder. Bxa4 was best. } { [%clk 0:03:51] } 32... Bd8 { [%eval 0.86] [%clk 0:08:30] } 33. Nxa4?! { [%eval 0.25] } { Inaccuracy. Bxa4 was best. } { [%clk 0:02:00] } 33... d5 { [%eval 0.36] [%clk 0:06:00] } 34. Nc5+ { [%eval 0.41] [%clk 0:02:05] } 34... Kd6 { [%eval 0.64] [%clk 0:05:59] } 35. exd5 { [%eval 0.61] [%clk 0:02:14] } 35... Kxc5?! { [%eval 1.65] } { Inaccuracy. Bxd5 was best. } { [%clk 0:04:08] } 36. dxc6 { [%eval 1.53] [%clk 0:02:23] } 36... Kxc6 { [%eval 1.73] [%clk 0:04:16] } 37. b4 { [%eval 1.53] [%clk 0:02:23] } 37... Bb6 { [%eval 1.58] [%clk 0:04:14] } 38. Ka2?! { [%eval 0.81] } { Inaccuracy. Be4+ was best. } { [%clk 0:01:53] } 38... Bg1 { [%eval 1.36] [%clk 0:03:59] } 39. Kb3 { [%eval 1.39] [%clk 0:01:42] } 39... Rxh2?? { [%eval 5.77] } { Blunder. Rh3+ was best. } { [%clk 0:03:25] } 40. Rxh2 { [%eval 5.59] [%clk 0:01:50] } 40... Bxh2 { [%eval 5.05] [%clk 0:03:34] } 41. Be4+ { [%eval 5.18] [%clk 0:01:59] } 41... Kb6 { [%eval 5.24] [%clk 0:03:05] } 42. a4 { [%eval 5.01] [%clk 0:02:07] } 42... Bg3 { [%eval 4.82] [%clk 0:02:59] } 43. a5+ { [%eval 4.68] [%clk 0:02:04] } 43... Ka7?? { [%eval 22.26] } { Blunder. Kb5 was best. } { [%clk 0:01:13] } 44. b5 { [%eval 10.46] [%clk 0:02:09] } 44... Be1 { [%eval 8.26] [%clk 0:01:09] } 45. Ka4 { [%eval 9.64] [%clk 0:02:18] } 45... Bf2 { [%eval 9.13] [%clk 0:00:56] } 46. Bd5 { [%eval 8.72] [%clk 0:02:26] } 46... Bd4 { [%eval 62.88] [%clk 0:00:59] } 47. Kb4 { [%eval 32.13] [%clk 0:02:09] } 47... Bf2 { [%eval 15.45] [%clk 0:00:44] } 48. b6+ { [%eval 8.46] [%clk 0:02:17] } 48... Ka6? { [%eval #12] } { Checkmate is now unavoidable. Bxb6 was best. } { [%clk 0:00:43] } 49. Bc4+ { [%eval #11] [%clk 0:02:14] } 49... Kb7 { [%eval #11] [%clk 0:00:52] } 50. Kb5 { [%eval #10] [%clk 0:02:24] } 50... Kb8 { [%eval #7] [%clk 0:00:14] } 51. a6 { [%eval #6] [%clk 0:02:30] } 1-0