Event: Curacao Chess Festival 2025 OPEN
Site: https://lichess.org/broadcast/curacao-chess-festival-2025/round-4/ry3KmNsd/C6PwVgfN
Date: 2025-09-20
White: Maduro, Sherman
WhiteTitle: CM
WhiteElo: 1984
Black: Van Bemmelen, Ursus
BlackTitle: FM
BlackElo: 2090
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 90 minutes plus 30 seconds increment on move 1

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.24] [%clk 1:30:33] } 2. Nf3 { [%eval 0.2] [%clk 1:31:23] } 2... d6 { [%eval 0.31] [%clk 1:30:42] } 3. d4 { [%eval 0.22] [%clk 1:31:49] } 3... cxd4 { [%eval 0.19] [%clk 1:31:07] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:45] } 4... Nf6 { [%eval 0.31] [%clk 1:31:28] } 5. Nc3 { [%eval 0.32] [%clk 1:32:13] } 5... a6 { [%eval 0.25] [%clk 1:31:52] } 6. a4 { [%eval 0.14] [%clk 1:29:16] } 6... Nc6 { [%eval 0.28] [%clk 1:31:24] } 7. Be2 { [%eval 0.2] [%clk 1:29:42] } 7... g6 { [%eval 0.36] [%clk 1:31:22] } 8. Nxc6 { [%eval 0.52] [%clk 1:26:58] } 8... bxc6 { [%eval 0.55] [%clk 1:31:46] } 9. e5 { [%eval 0.24] [%clk 1:27:18] } 9... dxe5 { [%eval 0.15] [%clk 1:27:02] } 10. Qxd8+ { [%eval 0.33] [%clk 1:27:45] } 10... Kxd8 { [%eval 0.2] [%clk 1:27:31] } 11. Bc4 { [%eval -0.11] [%clk 1:26:10] } 11... a5 { [%eval -0.08] [%clk 1:18:45] } 12. Bg5 { [%eval -0.13] [%clk 1:24:55] } 12... h6 { [%eval 0.0] [%clk 1:17:18] } 13. O-O-O+ { [%eval 0.0] [%clk 1:24:30] } 13... Kc7 { [%eval 0.0] [%clk 1:17:36] } 14. Bh4 { [%eval 0.0] [%clk 1:21:25] } 14... Bg7?! { [%eval 1.05] } { Inaccuracy. Rh7 was best. } { [%clk 1:11:11] } 15. Bxf7 { [%eval 1.13] [%clk 1:18:31] } 15... Bf5 { [%eval 1.18] [%clk 1:11:38] } 16. f3 { [%eval 0.96] [%clk 1:03:18] } 16... Rhf8 { [%eval 1.04] [%clk 1:05:56] } 17. Bc4 { [%eval 1.0] [%clk 1:03:04] } 17... g5 { [%eval 1.08] [%clk 1:05:25] } 18. Bf2 { [%eval 0.88] [%clk 1:02:56] } 18... Nd7 { [%eval 1.0] [%clk 0:56:56] } 19. Bg3 { [%eval 0.6] [%clk 0:58:29] } 19... Rab8?! { [%eval 1.37] } { Inaccuracy. h5 was best. } { [%clk 0:54:31] } 20. Rhe1?! { [%eval 0.67] } { Inaccuracy. Bd3 was best. } { [%clk 0:56:26] } 20... Rb4 { [%eval 1.08] [%clk 0:54:41] } 21. b3 { [%eval 1.03] [%clk 0:53:54] } 21... h5 { [%eval 0.89] [%clk 0:45:50] } 22. h3 { [%eval 0.57] [%clk 0:53:24] } 22... Bf6? { [%eval 1.96] } { Mistake. g4 was best. } { [%clk 0:45:20] } 23. Bd3 { [%eval 1.58] [%clk 0:51:03] } 23... Be6 { [%eval 1.94] [%clk 0:44:41] } 24. Re4? { [%eval 0.75] } { Mistake. Ne4 was best. } { [%clk 0:44:46] } 24... Rxe4? { [%eval 2.04] } { Mistake. g4 was best. } { [%clk 0:43:35] } 25. Nxe4 { [%eval 1.9] [%clk 0:44:37] } 25... Rb8 { [%eval 2.5] [%clk 0:42:28] } 26. Ba6?! { [%eval 1.69] } { Inaccuracy. Be1 was best. } { [%clk 0:42:10] } 26... Rb6?! { [%eval 2.46] } { Inaccuracy. g4 was best. } { [%clk 0:42:34] } 27. Bd3 { [%eval 2.44] [%clk 0:42:22] } 27... Rb8 { [%eval 2.53] [%clk 0:43:02] } 28. Bf2 { [%eval 2.18] [%clk 0:39:56] } 28... Rg8 { [%eval 2.41] [%clk 0:42:31] } 29. Be1 { [%eval 2.34] [%clk 0:36:25] } 29... Kb6?! { [%eval 3.26] } { Inaccuracy. Ra8 was best. } { [%clk 0:38:48] } 30. Bc4 { [%eval 3.4] [%clk 0:33:38] } 30... Bxc4 { [%eval 3.23] [%clk 0:38:35] } 31. Rxd7?! { [%eval 2.35] } { Inaccuracy. bxc4 was best. } { [%clk 0:34:00] } 31... Bf1 { [%eval 2.26] [%clk 0:38:27] } 32. Bf2+ { [%eval 2.42] [%clk 0:34:13] } 32... c5 { [%eval 2.43] [%clk 0:38:55] } 33. Bxc5+ { [%eval 2.35] [%clk 0:33:42] } 33... Kc6 { [%eval 2.25] [%clk 0:39:23] } 34. Rd2 { [%eval 2.26] [%clk 0:33:04] } 34... g4 { [%eval 2.94] [%clk 0:37:43] } 35. hxg4 { [%eval 2.94] [%clk 0:29:29] } 35... hxg4 { [%eval 2.85] [%clk 0:38:02] } 36. Rf2 { [%eval 2.65] [%clk 0:29:33] } 36... Ba6 { [%eval 2.9] [%clk 0:38:15] } 37. Nxf6 { [%eval 3.14] [%clk 0:20:36] } 37... exf6 { [%eval 3.34] [%clk 0:38:17] } 38. Be7 { [%eval 3.1] [%clk 0:20:46] } 38... f5 { [%eval 3.32] [%clk 0:38:29] } 39. fxg4 { [%eval 3.05] [%clk 0:20:31] } 39... f4 { [%eval 2.94] [%clk 0:38:56] } 40. g5 { [%eval 2.56] [%clk 0:20:05] } 40... Kd7?! { [%eval 3.9] } { Inaccuracy. Kd5 was best. } { [%clk 0:35:07] } 41. Bf6 { [%eval 3.6] [%clk 0:20:23] } 41... Ke6 { [%eval 3.72] [%clk 0:35:36] } 42. g3 { [%eval 3.84] [%clk 0:16:59] } 42... Kf5 { [%eval 3.94] [%clk 0:35:56] } 43. gxf4 { [%eval 4.03] [%clk 0:12:01] } 43... exf4 { [%eval 3.89] [%clk 0:36:21] } 44. Bc3 { [%eval 3.57] [%clk 0:04:57] } 1-0