Event: Round 5: Perez Rojas, Felipe - Delgado Pena, Alvaro
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-5/QJnNr6Ds/cyYiL7XH
White: Perez Rojas, Felipe
WhiteElo: 1764
Black: Delgado Pena, Alvaro
Result: 1-0
ECO: C24
Opening: Bishop's Opening: Vienna Hybrid
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:18] } 1... e5 { [%eval 0.22] [%clk 0:45:10] } 2. Nc3 { [%eval 0.08] [%clk 0:45:17] } 2... Nc6 { [%eval 0.07] [%clk 0:45:09] } 3. Bc4 { [%eval 0.06] [%clk 0:45:23] } 3... Nf6 { [%eval 0.11] [%clk 0:45:05] } 4. d3 { [%eval 0.03] [%clk 0:45:30] } 4... Bc5 { [%eval 0.09] [%clk 0:45:03] } 5. f4 { [%eval 0.0] [%clk 0:45:37] } 5... d6 { [%eval 0.0] [%clk 0:43:47] } 6. Nf3 { [%eval 0.0] [%clk 0:45:45] } 6... O-O { [%eval 0.0] [%clk 0:40:32] } 7. Na4 { [%eval 0.0] [%clk 0:45:53] } 7... Bb6 { [%eval 0.0] [%clk 0:39:48] } 8. Nxb6 { [%eval 0.08] [%clk 0:46:00] } 8... axb6 { [%eval 0.0] [%clk 0:39:48] } 9. O-O { [%eval 0.06] [%clk 0:44:52] } 9... h6 { [%eval 0.36] [%clk 0:38:27] } 10. c3 { [%eval 0.3] [%clk 0:40:36] } 10... Qe7 { [%eval 0.63] [%clk 0:35:10] } 11. f5 { [%eval 0.48] [%clk 0:40:37] } 11... Rd8 { [%eval 0.8] [%clk 0:31:48] } 12. h3?! { [%eval -0.06] } { Inaccuracy. Bd5 was best. } { [%clk 0:40:10] } 12... d5 { [%eval -0.2] [%clk 0:28:06] } 13. exd5 { [%eval -0.12] [%clk 0:40:17] } 13... Nxd5 { [%eval -0.25] [%clk 0:28:06] } 14. g4 { [%eval -0.75] [%clk 0:40:20] } 14... Na5?! { [%eval 0.12] } { Inaccuracy. Qc5+ was best. } { [%clk 0:21:44] } 15. Bxd5 { [%eval 0.1] [%clk 0:40:06] } 15... Rxd5 { [%eval 0.11] [%clk 0:21:49] } 16. b4 { [%eval -0.3] [%clk 0:39:56] } 16... Nc6 { [%eval -0.3] [%clk 0:21:45] } 17. Qe2 { [%eval -0.1] [%clk 0:39:43] } 17... f6 { [%eval 0.11] [%clk 0:20:56] } 18. a3?! { [%eval -0.56] } { Inaccuracy. Nd2 was best. } { [%clk 0:38:10] } 18... Qf7 { [%eval -0.08] [%clk 0:19:34] } 19. c4 { [%eval -0.07] [%clk 0:37:43] } 19... Rd8 { [%eval 0.09] [%clk 0:19:27] } 20. Bb2 { [%eval 0.19] [%clk 0:37:46] } 20... Bd7 { [%eval 0.22] [%clk 0:16:15] } 21. Rad1?! { [%eval -0.56] } { Inaccuracy. b5 was best. } { [%clk 0:35:57] } 21... Re8 { [%eval -0.13] [%clk 0:14:35] } 22. Qe3?! { [%eval -0.91] } { Inaccuracy. b5 was best. } { [%clk 0:35:33] } 22... Rad8? { [%eval 0.29] } { Mistake. b5 was best. } { [%clk 0:13:05] } 23. Qe4?! { [%eval -0.43] } { Inaccuracy. b5 was best. } { [%clk 0:31:10] } 23... Bc8?! { [%eval 0.26] } { Inaccuracy. Nd4 was best. } { [%clk 0:08:44] } 24. Rfe1 { [%eval 0.16] [%clk 0:29:47] } 24... Nd4?! { [%eval 0.75] } { Inaccuracy. Ne7 was best. } { [%clk 0:06:24] } 25. Nxd4?! { [%eval -0.02] } { Inaccuracy. Bxd4 was best. } { [%clk 0:29:28] } 25... exd4 { [%eval 0.0] [%clk 0:06:31] } 26. Qf4 { [%eval -0.08] [%clk 0:29:37] } 26... Rxe1+ { [%eval 0.0] [%clk 0:05:59] } 27. Rxe1 { [%eval 0.0] [%clk 0:29:45] } 27... c5 { [%eval 0.02] [%clk 0:05:59] } 28. b5 { [%eval 0.08] [%clk 0:28:16] } 28... Re8?! { [%eval 1.01] } { Inaccuracy. g6 was best. } { [%clk 0:06:01] } 29. Re4?! { [%eval 0.04] } { Inaccuracy. Rxe8+ was best. } { [%clk 0:28:25] } 29... Rxe4?! { [%eval 0.91] } { Inaccuracy. g6 was best. } { [%clk 0:05:01] } 30. Qxe4 { [%eval 1.13] [%clk 0:28:32] } 30... Kf8? { [%eval 2.36] } { Mistake. Bd7 was best. } { [%clk 0:05:07] } 31. Bc1 { [%eval 2.23] [%clk 0:27:40] } 31... Qe7?! { [%eval 3.35] } { Inaccuracy. h5 was best. } { [%clk 0:04:44] } 32. Qxe7+ { [%eval 3.05] [%clk 0:27:45] } 32... Kxe7 { [%eval 2.83] [%clk 0:04:52] } 33. Bf4 { [%eval 2.49] [%clk 0:27:54] } 33... Kd8? { [%eval 4.03] } { Mistake. Bd7 was best. } { [%clk 0:04:39] } 34. Bd6 { [%eval 3.58] [%clk 0:27:59] } 34... Bd7 { [%eval 4.46] [%clk 0:02:40] } 35. Bf8 { [%eval 4.0] [%clk 0:26:59] } 35... Ke8? { [%eval 7.66] } { Mistake. g5 was best. } { [%clk 0:01:49] } 36. Bxg7 { [%eval 7.02] [%clk 0:27:07] } 36... h5 { [%eval 8.12] [%clk 0:01:56] } 37. Bxf6 { [%eval 7.96] [%clk 0:27:09] } 37... Bc8 { [%eval 7.86] [%clk 0:01:37] } 38. Kg2 { [%eval 7.8] [%clk 0:27:16] } 38... Bd7 { [%eval 8.4] [%clk 0:01:46] } 39. Kf3 { [%eval 7.96] [%clk 0:27:21] } 39... hxg4+ { [%eval 9.62] [%clk 0:00:50] } 40. hxg4 { [%eval 8.89] [%clk 0:27:30] } 40... Bc8 { [%eval 9.61] [%clk 0:00:49] } 41. Kf4 { [%eval 9.76] [%clk 0:27:39] } 41... Bd7 { [%eval 9.06] [%clk 0:00:55] } 42. Kg5 { [%eval 9.08] [%clk 0:27:40] } 42... Kf7 { [%eval 9.32] [%clk 0:00:23] } 43. Be5 { [%eval 8.76] [%clk 0:27:35] } 43... Bxb5? { [%eval #14] } { Checkmate is now unavoidable. Bc8 was best. } { [%clk 0:00:18] } 44. cxb5 { [%eval #13] [%clk 0:27:55] } 44... c4 { [%eval #11] [%clk 0:00:27] } 45. dxc4 { [%eval #10] [%clk 0:28:04] } 45... d3 { [%eval #10] [%clk 0:00:36] } 46. Bc3 { [%eval #9] [%clk 0:28:12] } 46... Ke7 { [%eval #9] [%clk 0:00:43] } 47. Kg6 { [%eval #10] [%clk 0:28:20] } 47... Kf8 { [%eval #7] [%clk 0:00:52] } 48. f6 { [%eval #6] [%clk 0:28:28] } 48... Ke8 { [%eval #5] [%clk 0:00:45] } 49. f7+ { [%eval #4] [%clk 0:28:37] } 49... Ke7 { [%eval #4] [%clk 0:00:51] } 50. Bb4+ { [%eval #4] [%clk 0:28:45] } 1-0