Event: Round 4: Bernal Posada, Diego - Acosta Nunez, Miguel
Site: https://lichess.org/broadcast/10mo-irt-centro-comercial-av-chile/round-4/iqhSLhYB/L2VjhR4H
Date: 2025-11-23
White: Bernal Posada, Diego
WhiteElo: 1773
Black: Acosta Nunez, Miguel
BlackElo: 1758
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:17] } 1... c5 { [%eval 0.25] [%clk 0:15:19] } 2. Nf3 { [%eval 0.2] [%clk 0:15:24] } 2... e6 { [%eval 0.28] [%clk 0:15:28] } 3. d4 { [%eval 0.4] [%clk 0:15:30] } 3... cxd4 { [%eval 0.29] [%clk 0:15:36] } 4. Nxd4 { [%eval 0.33] [%clk 0:15:35] } 4... a6 { [%eval 0.42] [%clk 0:15:45] } 5. Nc3 { [%eval 0.35] [%clk 0:15:41] } 5... Qc7 { [%eval 0.39] [%clk 0:15:53] } 6. Bd3 { [%eval 0.34] [%clk 0:15:36] } 6... Nf6 { [%eval 0.25] [%clk 0:16:00] } 7. Bg5 { [%eval 0.0] [%clk 0:15:39] } 7... Be7 { [%eval 0.32] [%clk 0:16:04] } 8. O-O { [%eval 0.26] [%clk 0:15:45] } 8... h6 { [%eval 0.23] [%clk 0:16:12] } 9. Bh4 { [%eval 0.04] [%clk 0:15:52] } 9... g5 { [%eval 0.29] [%clk 0:16:02] } 10. Bg3 { [%eval 0.31] [%clk 0:16:01] } 10... Bd6?? { [%eval 3.49] } { Blunder. d6 was best. } { [%clk 0:15:56] } 11. Qf3 { [%eval 3.4] [%clk 0:15:41] } 11... Be5 { [%eval 3.48] [%clk 0:15:08] } 12. Bxe5?? { [%eval 0.7] } { Blunder. Nd5 was best. } { [%clk 0:15:04] } 12... Qxe5 { [%eval 0.78] [%clk 0:15:15] } 13. Rad1?? { [%eval -2.45] } { Blunder. Nb3 was best. } { [%clk 0:14:53] } 13... Qxd4 { [%eval -2.27] [%clk 0:15:05] } 14. Bxa6 { [%eval -2.92] [%clk 0:14:01] } 14... Qe5 { [%eval -3.0] [%clk 0:15:04] } 15. Bc4 { [%eval -3.28] [%clk 0:13:55] } 15... Nc6 { [%eval -3.3] [%clk 0:14:33] } 16. Nb5 { [%eval -3.45] [%clk 0:13:29] } 16... Ke7?! { [%eval -2.56] } { Inaccuracy. O-O was best. } { [%clk 0:14:05] } 17. Qd3?! { [%eval -3.43] } { Inaccuracy. Nd6 was best. } { [%clk 0:13:14] } 17... Rd8 { [%eval -3.6] [%clk 0:12:52] } 18. Nd6 { [%eval -3.66] [%clk 0:12:25] } 18... h5?! { [%eval -2.84] } { Inaccuracy. Nxe4 was best. } { [%clk 0:12:29] } 19. f3 { [%eval -3.23] [%clk 0:11:49] } 19... Ra4 { [%eval -2.86] [%clk 0:12:02] } 20. Bb3? { [%eval -5.07] } { Mistake. b3 was best. } { [%clk 0:11:43] } 20... Rd4 { [%eval -4.88] [%clk 0:12:00] } 21. Qc3 { [%eval -5.8] [%clk 0:11:42] } 21... Rxd6 { [%eval -5.78] [%clk 0:11:51] } 22. Qe3 { [%eval -6.29] [%clk 0:09:12] } 22... Rxd1 { [%eval -6.27] [%clk 0:11:40] } 23. Rxd1 { [%eval -6.19] [%clk 0:09:13] } 23... h4 { [%eval -6.2] [%clk 0:10:39] } 24. h3 { [%eval -6.35] [%clk 0:09:21] } 24... Nh5 { [%eval -6.27] [%clk 0:10:38] } 25. Rf1 { [%eval -6.72] [%clk 0:08:27] } 25... Qd4 { [%eval -6.51] [%clk 0:10:37] } 26. Qf2 { [%eval -6.61] [%clk 0:07:41] } 26... Qxf2+ { [%eval -6.65] [%clk 0:10:36] } 27. Rxf2 { [%eval -6.75] [%clk 0:07:48] } 27... Nf4 { [%eval -6.76] [%clk 0:10:35] } 28. Kf1 { [%eval -7.09] [%clk 0:07:45] } 28... Nd4 { [%eval -7.05] [%clk 0:10:38] } 29. Ba4 { [%eval -7.25] [%clk 0:06:13] } 29... b5 { [%eval -7.42] [%clk 0:10:20] } 30. Bb3 { [%eval -7.14] [%clk 0:06:07] } 30... Nxb3 { [%eval -7.03] [%clk 0:10:28] } 31. axb3 { [%eval -7.1] [%clk 0:06:14] } 31... b4 { [%eval -7.28] [%clk 0:10:31] } 32. Rd2 { [%eval -7.05] [%clk 0:06:13] } 32... Ba6+ { [%eval -7.1] [%clk 0:10:36] } 33. Kg1 { [%eval -7.56] [%clk 0:06:21] } 33... d5 { [%eval -7.31] [%clk 0:10:38] } 34. Rd4 { [%eval -10.04] [%clk 0:06:24] } 34... dxe4 { [%eval -8.34] [%clk 0:10:33] } 35. Rxe4 { [%eval -10.14] [%clk 0:06:33] } 35... Rd2 { [%eval -9.19] [%clk 0:10:29] } 36. Rxb4? { [%eval #-11] } { Checkmate is now unavoidable. c4 was best. } { [%clk 0:06:27] } 36... Rxg2+ { [%eval #-14] [%clk 0:10:33] } 37. Kh1 { [%eval #-11] [%clk 0:06:27] } 37... Rxc2 { [%eval -14.02] [%clk 0:10:33] } 38. Rb6?! { [%eval #-7] } { Checkmate is now unavoidable. Re4 was best. } { [%clk 0:06:24] } 38... Bd3 { [%eval #-9] [%clk 0:10:33] } 39. Rb7+ { [%eval #-9] [%clk 0:05:46] } 39... Kf6 { [%eval #-8] [%clk 0:10:40] } 40. b4 { [%eval #-6] [%clk 0:05:47] } 40... Rxb2 { [%eval #-6] [%clk 0:10:46] } 41. b5 { [%eval #-5] [%clk 0:05:53] } 41... Rxb5?! { [%eval -18.57] } { Lost forced checkmate sequence. Rb1+ was best. } { [%clk 0:10:31] } 0-1