Event: Round 4: Viasus Cuellar, Juan Diego - Zuaznabal Duarte, Haden
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-4/xNPOsGJh/xIkW7R4b
White: Viasus Cuellar, Juan Diego
WhiteTitle: CM
WhiteElo: 1830
Black: Zuaznabal Duarte, Haden
BlackElo: 1669
Result: 1/2-1/2
ECO: A21
Opening: English Opening: King's English Variation, Reversed Sicilian
Variant: Standard
TimeControl: 45+10

1. c4 { [%eval 0.12] [%clk 0:45:15] } 1... e5 { [%eval 0.1] [%clk 0:45:17] } 2. Nc3 { [%eval 0.15] [%clk 0:45:22] } 2... c5 { [%eval 0.27] [%clk 0:45:23] } 3. g3 { [%eval 0.34] [%clk 0:45:30] } 3... Nc6 { [%eval 0.36] [%clk 0:45:29] } 4. Bg2 { [%eval 0.32] [%clk 0:45:38] } 4... g6 { [%eval 0.31] [%clk 0:45:32] } 5. d3 { [%eval 0.19] [%clk 0:45:45] } 5... Bg7 { [%eval 0.24] [%clk 0:45:37] } 6. Nf3 { [%eval 0.18] [%clk 0:45:41] } 6... Nge7 { [%eval 0.23] [%clk 0:45:38] } 7. O-O { [%eval 0.14] [%clk 0:39:39] } 7... O-O { [%eval 0.15] [%clk 0:45:36] } 8. a3 { [%eval 0.16] [%clk 0:39:45] } 8... d6 { [%eval 0.21] [%clk 0:45:24] } 9. Rb1 { [%eval 0.19] [%clk 0:39:41] } 9... a5 { [%eval 0.2] [%clk 0:45:15] } 10. Nd5?! { [%eval -0.79] } { Inaccuracy. Ne1 was best. } { [%clk 0:39:30] } 10... Be6?! { [%eval 0.19] } { Inaccuracy. Nxd5 was best. } { [%clk 0:43:53] } 11. Ne1 { [%eval -0.03] [%clk 0:27:43] } 11... Rb8 { [%eval -0.11] [%clk 0:40:22] } 12. Nxe7+ { [%eval -0.37] [%clk 0:18:01] } 12... Nxe7 { [%eval -0.18] [%clk 0:36:24] } 13. b4 { [%eval -0.15] [%clk 0:18:00] } 13... axb4 { [%eval -0.17] [%clk 0:36:18] } 14. axb4 { [%eval -0.12] [%clk 0:18:07] } 14... b5 { [%eval -0.06] [%clk 0:30:18] } 15. bxc5 { [%eval -0.12] [%clk 0:17:27] } 15... bxc4 { [%eval -0.06] [%clk 0:30:13] } 16. Rxb8 { [%eval -0.02] [%clk 0:17:34] } 16... Qxb8 { [%eval -0.15] [%clk 0:30:17] } 17. cxd6 { [%eval -0.12] [%clk 0:10:05] } 17... Qxd6 { [%eval -0.07] [%clk 0:30:18] } 18. Qa4 { [%eval -0.39] [%clk 0:10:09] } 18... c3 { [%eval -0.42] [%clk 0:27:35] } 19. Ba3 { [%eval -0.37] [%clk 0:09:44] } 19... Qc7 { [%eval -0.42] [%clk 0:27:30] } 20. Nc2 { [%eval -0.42] [%clk 0:07:53] } 20... Rb8 { [%eval -0.2] [%clk 0:23:41] } 21. Nb4? { [%eval -1.78] } { Mistake. Bxe7 was best. } { [%clk 0:08:01] } 21... Rc8? { [%eval -0.27] } { Mistake. Bd7 was best. } { [%clk 0:21:26] } 22. Rc1 { [%eval -0.27] [%clk 0:07:23] } 22... Bf8 { [%eval -0.25] [%clk 0:19:50] } 23. Na6? { [%eval -1.57] } { Mistake. e3 was best. } { [%clk 0:05:26] } 23... Qb6 { [%eval -1.4] [%clk 0:18:32] } 24. Nc5?! { [%eval -2.23] } { Inaccuracy. Be4 was best. } { [%clk 0:04:38] } 24... Rxc5 { [%eval -2.17] [%clk 0:17:51] } 25. Bxc5 { [%eval -2.3] [%clk 0:04:46] } 25... Qxc5 { [%eval -2.28] [%clk 0:18:00] } 26. Qc2 { [%eval -2.19] [%clk 0:04:52] } 26... Nd5 { [%eval -2.19] [%clk 0:15:41] } 27. Bxd5 { [%eval -2.21] [%clk 0:04:51] } 27... Qxd5 { [%eval -2.15] [%clk 0:15:03] } 28. Qxc3 { [%eval -2.22] [%clk 0:04:59] } 28... e4? { [%eval -1.0] } { Mistake. Bh6 was best. } { [%clk 0:14:57] } 29. dxe4 { [%eval -1.27] [%clk 0:04:29] } 29... Qxe4 { [%eval -1.27] [%clk 0:15:04] } 30. Qf3 { [%eval -1.27] [%clk 0:04:33] } 30... Qe5 { [%eval -1.13] [%clk 0:14:38] } 31. Rd1 { [%eval -1.17] [%clk 0:04:12] } 31... Be7?! { [%eval -0.41] } { Inaccuracy. Qa5 was best. } { [%clk 0:13:54] } 32. Qa8+ { [%eval -0.32] [%clk 0:04:08] } 32... Kg7 { [%eval 0.0] [%clk 0:14:03] } 33. Qa1 { [%eval 0.0] [%clk 0:04:16] } 33... Qxa1 { [%eval -0.01] [%clk 0:13:39] } 34. Rxa1 { [%eval -0.01] [%clk 0:04:24] } 34... Bc4 { [%eval -0.08] [%clk 0:13:48] } 35. Rc1 { [%eval -0.21] [%clk 0:03:59] } 35... Be6 { [%eval -0.12] [%clk 0:13:34] } 36. Kg2 { [%eval -0.2] [%clk 0:03:41] } 36... Kf6 { [%eval -0.24] [%clk 0:13:26] } 37. f3 { [%eval -0.22] [%clk 0:03:19] } 37... h5 { [%eval -0.17] [%clk 0:13:11] } 38. h4 { [%eval -0.29] [%clk 0:03:13] } 38... Ke5 { [%eval -0.11] [%clk 0:13:05] } 39. e3 { [%eval -0.19] [%clk 0:02:58] } 39... Bd5 { [%eval -0.08] [%clk 0:12:38] } 40. Ra1 { [%eval -0.28] [%clk 0:02:52] } 40... Bb4 { [%eval -0.42] [%clk 0:12:01] } 41. Rb1 { [%eval -0.29] [%clk 0:02:19] } 41... Bc5 { [%eval -0.01] [%clk 0:11:55] } 42. Kf2 { [%eval -0.06] [%clk 0:02:02] } 42... Be6 { [%eval -0.1] [%clk 0:11:47] } 43. Rb7 { [%eval -0.18] [%clk 0:01:50] } 43... Kd5 { [%eval 0.0] [%clk 0:10:58] } 44. Ke2 { [%eval 0.0] [%clk 0:01:24] } 44... Bd6 { [%eval -0.28] [%clk 0:10:52] } 45. f4?? { [%eval -2.46] } { Blunder. Kf2 was best. } { [%clk 0:00:38] } 45... Ke4 { [%eval -2.34] [%clk 0:10:34] } 1/2-1/2