Event: Round 4: Delgado Pena, Alvaro - Pieter, Liana
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-4/k5SDHQho/inI9AzFz
White: Delgado Pena, Alvaro
Black: Pieter, Liana
BlackTitle: WCM
BlackElo: 1760
Result: 1-0
ECO: B15
Opening: Caro-Kann Defense: Tartakower Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:16] } 1... c6 { [%eval 0.23] [%clk 0:45:18] } 2. d4 { [%eval 0.24] [%clk 0:45:19] } 2... d5 { [%eval 0.24] [%clk 0:45:23] } 3. Nc3 { [%eval 0.16] [%clk 0:45:22] } 3... dxe4 { [%eval 0.18] [%clk 0:45:22] } 4. Nxe4 { [%eval 0.28] [%clk 0:45:24] } 4... Nf6 { [%eval 0.31] [%clk 0:45:18] } 5. Nxf6+ { [%eval 0.29] [%clk 0:45:27] } 5... exf6 { [%eval 0.22] [%clk 0:45:11] } 6. c3 { [%eval 0.22] [%clk 0:45:21] } 6... Bf5 { [%eval 0.32] [%clk 0:44:45] } 7. Be3 { [%eval 0.23] [%clk 0:43:21] } 7... Bd6 { [%eval 0.31] [%clk 0:44:16] } 8. Bd3 { [%eval 0.2] [%clk 0:42:03] } 8... Bxd3 { [%eval 0.16] [%clk 0:44:01] } 9. Qxd3 { [%eval 0.1] [%clk 0:42:00] } 9... Nd7 { [%eval 0.35] [%clk 0:43:47] } 10. Ne2 { [%eval 0.08] [%clk 0:40:37] } 10... Qc7 { [%eval 0.45] [%clk 0:43:32] } 11. Ng3 { [%eval 0.0] [%clk 0:38:35] } 11... g6 { [%eval 0.39] [%clk 0:39:16] } 12. O-O-O?! { [%eval -0.19] } { Inaccuracy. Qe4+ was best. } { [%clk 0:34:56] } 12... O-O-O { [%eval 0.11] [%clk 0:38:59] } 13. Ne4 { [%eval 0.11] [%clk 0:30:53] } 13... Be7?! { [%eval 0.8] } { Inaccuracy. Bf4 was best. } { [%clk 0:38:06] } 14. d5?? { [%eval -0.88] } { Blunder. Qc4 was best. } { [%clk 0:28:28] } 14... Ne5 { [%eval -0.75] [%clk 0:36:26] } 15. Qd4 { [%eval -0.74] [%clk 0:24:33] } 15... Rxd5 { [%eval -0.47] [%clk 0:35:24] } 16. Qa4?? { [%eval -2.44] } { Blunder. Qxa7 was best. } { [%clk 0:19:15] } 16... Rhd8?! { [%eval -1.6] } { Inaccuracy. Ra5 was best. } { [%clk 0:24:27] } 17. Kb1 { [%eval -2.14] [%clk 0:15:37] } 17... Ng4 { [%eval -1.9] [%clk 0:21:02] } 18. Bd4 { [%eval -1.88] [%clk 0:10:56] } 18... f5 { [%eval -1.74] [%clk 0:14:06] } 19. Ng3? { [%eval -3.62] } { Mistake. h3 was best. } { [%clk 0:10:17] } 19... c5 { [%eval -3.66] [%clk 0:12:42] } 20. h3 { [%eval -3.68] [%clk 0:06:31] } 20... Nh6? { [%eval -1.86] } { Mistake. cxd4 was best. } { [%clk 0:06:19] } 21. Bg7 { [%eval -1.79] [%clk 0:06:35] } 21... Ng8? { [%eval -0.42] } { Mistake. Rxd1+ was best. } { [%clk 0:06:21] } 22. Rxd5 { [%eval -0.34] [%clk 0:06:24] } 22... Rxd5 { [%eval -0.3] [%clk 0:06:19] } 23. Qxa7 { [%eval -0.16] [%clk 0:05:59] } 23... Bd6?? { [%eval 1.51] } { Blunder. Qd6 was best. } { [%clk 0:05:52] } 24. Qa8+? { [%eval 0.09] } { Mistake. c4 was best. } { [%clk 0:05:19] } 24... Qb8 { [%eval 0.11] [%clk 0:05:32] } 25. Qxb8+ { [%eval 0.15] [%clk 0:05:25] } 25... Bxb8 { [%eval 0.15] [%clk 0:04:46] } 26. Kc2 { [%eval 0.22] [%clk 0:05:05] } 26... Bd6?? { [%eval 3.81] } { Blunder. Bxg3 was best. } { [%clk 0:04:13] } 27. c4 { [%eval 3.88] [%clk 0:05:00] } 27... f4?! { [%eval 5.16] } { Inaccuracy. Bxg3 was best. } { [%clk 0:03:32] } 28. cxd5 { [%eval 4.52] [%clk 0:04:40] } 28... fxg3 { [%eval 4.51] [%clk 0:03:40] } 29. f3?! { [%eval 3.04] } { Inaccuracy. fxg3 was best. } { [%clk 0:04:34] } 29... f6?! { [%eval 4.74] } { Inaccuracy. Kc7 was best. } { [%clk 0:03:50] } 30. Re1 { [%eval 4.21] [%clk 0:04:19] } 30... Kd7 { [%eval 4.61] [%clk 0:03:58] } 31. Re6 { [%eval 4.51] [%clk 0:03:32] } 31... Be5 { [%eval 5.29] [%clk 0:03:33] } 32. Bf8 { [%eval 5.23] [%clk 0:02:35] } 32... h5 { [%eval 5.32] [%clk 0:03:04] } 33. b3 { [%eval 5.41] [%clk 0:02:06] } 33... Bd4 { [%eval 5.74] [%clk 0:02:13] } 34. Kd3 { [%eval 5.73] [%clk 0:01:36] } 34... b5 { [%eval 7.34] [%clk 0:02:13] } 35. Rc6 { [%eval 6.09] [%clk 0:01:10] } 35... Ne7 { [%eval 7.18] [%clk 0:01:45] } 36. Bxe7 { [%eval 6.97] [%clk 0:00:59] } 36... Kxe7 { [%eval 6.82] [%clk 0:01:54] } 37. Rb6 { [%eval 5.78] [%clk 0:01:03] } 37... b4 { [%eval 6.11] [%clk 0:02:01] } 38. Kc4 { [%eval 6.19] [%clk 0:01:03] } 38... g5 { [%eval 5.77] [%clk 0:01:59] } 39. Rc6 { [%eval 5.58] [%clk 0:01:05] } 39... f5 { [%eval 6.41] [%clk 0:01:46] } 40. Rxc5?? { [%eval -5.79] } { Blunder. Rh6 was best. } { [%clk 0:00:56] } 40... g4?? { [%eval #15] } { Checkmate is now unavoidable. Bxc5 was best. } { [%clk 0:01:50] } 41. hxg4?? { [%eval 0.0] } { Lost forced checkmate sequence. Kxd4 was best. } { [%clk 0:00:52] } 41... h4?? { [%eval #14] } { Checkmate is now unavoidable. Bxc5 was best. } { [%clk 0:01:52] } 42. Kxd4 { [%eval #13] [%clk 0:00:51] } 42... h3 { [%eval #12] [%clk 0:02:00] } 43. gxh3 { [%eval #12] [%clk 0:01:00] } 43... g2 { [%eval #12] [%clk 0:02:09] } 44. Rc1 { [%eval #11] [%clk 0:00:42] } 1-0