Event: Round 4: Camargo Silva, Samir - Ayala Delgado, Sergio Alejandro
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-4/xNPOsGJh/BBUt9718
White: Camargo Silva, Samir
WhiteElo: 1790
Black: Ayala Delgado, Sergio Alejandro
BlackElo: 1970
Result: 1-0
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard
TimeControl: 45+10

1. d4 { [%eval 0.17] [%clk 0:45:19] } 1... d5 { [%eval 0.2] [%clk 0:45:16] } 2. Nc3 { [%eval -0.07] [%clk 0:45:13] } 2... Nf6 { [%eval 0.0] [%clk 0:45:04] } 3. Bf4 { [%eval -0.1] [%clk 0:45:12] } 3... a6 { [%eval 0.0] [%clk 0:45:10] } 4. e3 { [%eval 0.0] [%clk 0:45:06] } 4... g6 { [%eval 0.31] [%clk 0:44:34] } 5. h4 { [%eval 0.33] [%clk 0:42:32] } 5... b5 { [%eval 0.48] [%clk 0:43:41] } 6. a3 { [%eval 0.19] [%clk 0:42:01] } 6... Bb7 { [%eval 0.21] [%clk 0:42:18] } 7. g4 { [%eval 0.21] [%clk 0:40:07] } 7... h5 { [%eval 0.3] [%clk 0:39:52] } 8. g5 { [%eval 0.26] [%clk 0:37:11] } 8... Ne4?! { [%eval 1.3] } { Inaccuracy. Nfd7 was best. } { [%clk 0:36:29] } 9. Nxe4 { [%eval 1.38] [%clk 0:36:11] } 9... dxe4 { [%eval 1.31] [%clk 0:36:18] } 10. Be5 { [%eval 1.27] [%clk 0:36:13] } 10... f6 { [%eval 1.15] [%clk 0:36:20] } 11. Bg3 { [%eval 1.26] [%clk 0:35:40] } 11... Nd7 { [%eval 1.43] [%clk 0:31:24] } 12. Ne2 { [%eval 1.17] [%clk 0:32:48] } 12... f5 { [%eval 1.6] [%clk 0:24:49] } 13. Nf4 { [%eval 1.63] [%clk 0:28:59] } 13... Kf7 { [%eval 1.53] [%clk 0:24:42] } 14. c4 { [%eval 1.07] [%clk 0:28:35] } 14... e5 { [%eval 1.16] [%clk 0:23:13] } 15. Ne2 { [%eval 1.1] [%clk 0:21:53] } 15... Bg7 { [%eval 1.36] [%clk 0:17:31] } 16. cxb5 { [%eval 1.47] [%clk 0:17:11] } 16... f4? { [%eval 3.42] } { Mistake. Kg8 was best. } { [%clk 0:11:30] } 17. bxa6? { [%eval 1.77] } { Mistake. Qb3+ was best. } { [%clk 0:13:26] } 17... Bxa6 { [%eval 2.02] [%clk 0:10:18] } 18. exf4 { [%eval 2.0] [%clk 0:08:39] } 18... Bxe2? { [%eval 3.46] } { Mistake. exd4 was best. } { [%clk 0:05:38] } 19. Bxe2 { [%eval 3.17] [%clk 0:08:32] } 19... exd4 { [%eval 3.12] [%clk 0:05:39] } 20. Bc4+ { [%eval 2.9] [%clk 0:08:15] } 20... Ke7 { [%eval 3.35] [%clk 0:02:41] } 21. Bd5?? { [%eval 0.0] } { Blunder. O-O was best. } { [%clk 0:06:28] } 21... Nc5 { [%eval 0.21] [%clk 0:02:45] } 22. Bc4?! { [%eval -0.86] } { Inaccuracy. Bxa8 was best. } { [%clk 0:04:09] } 22... d3 { [%eval -0.98] [%clk 0:01:59] } 23. b4?? { [%eval -2.85] } { Blunder. O-O was best. } { [%clk 0:02:51] } 23... d2+ { [%eval -2.24] [%clk 0:01:43] } 24. Ke2? { [%eval -3.8] } { Mistake. Qxd2 was best. } { [%clk 0:02:04] } 24... Qd4 { [%eval -3.83] [%clk 0:01:17] } 25. Qc2 { [%eval -3.75] [%clk 0:01:47] } 25... Na4 { [%eval -3.66] [%clk 0:01:22] } 26. Bb3 { [%eval -3.64] [%clk 0:01:12] } 26... Nc3+ { [%eval -3.68] [%clk 0:01:28] } 27. Kf1 { [%eval -3.83] [%clk 0:01:16] } 27... Rxa3 { [%eval -3.89] [%clk 0:01:24] } 28. Kg2 { [%eval -3.6] [%clk 0:01:10] } 28... Rha8 { [%eval -3.47] [%clk 0:01:28] } 29. Rad1?! { [%eval -4.67] } { Inaccuracy. Rxa3 was best. } { [%clk 0:01:08] } 29... Qxb4?! { [%eval -3.3] } { Inaccuracy. Ra2 was best. } { [%clk 0:01:03] } 30. f5 { [%eval -3.39] [%clk 0:00:15] } 30... gxf5 { [%eval -3.23] [%clk 0:01:02] } 31. Qxd2 { [%eval -2.93] [%clk 0:00:20] } 31... Rxb3?? { [%eval 4.6] } { Blunder. Qxb3 was best. } { [%clk 0:00:25] } 32. Qd7+ { [%eval 4.48] [%clk 0:00:22] } 32... Kf8 { [%eval 4.31] [%clk 0:00:35] } 33. Bxc7?? { [%eval 1.91] } { Blunder. Qxf5+ was best. } { [%clk 0:00:22] } 33... Nb5?? { [%eval 4.73] } { Blunder. Qc4 was best. } { [%clk 0:00:28] } 34. Qxf5+ { [%eval 5.61] [%clk 0:00:21] } 34... Kg8 { [%eval 5.53] [%clk 0:00:35] } 35. Qd5+ { [%eval 5.27] [%clk 0:00:26] } 35... Kh8?! { [%eval 8.4] } { Inaccuracy. Kh7 was best. } { [%clk 0:00:27] } 36. Qxa8+ { [%eval 8.04] [%clk 0:00:28] } 36... Kh7? { [%eval #13] } { Checkmate is now unavoidable. Qf8 was best. } { [%clk 0:00:35] } 37. g6+ { [%eval #12] [%clk 0:00:32] } 37... Kxg6 { [%eval #11] [%clk 0:00:25] } 38. Qe8+ { [%eval #10] [%clk 0:00:40] } 38... Kh6 { [%eval #6] [%clk 0:00:11] } 39. Bf4+ { [%eval #9] [%clk 0:00:45] } 39... Kh7 { [%eval #9] [%clk 0:00:21] } 40. Qxh5+ { [%eval #9] [%clk 0:00:48] } 40... Kg8 { [%eval #9] [%clk 0:00:26] } 41. Rd8+ { [%eval #8] [%clk 0:00:57] } 1-0