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Ruiz Perez, Juan Octavio vs Cu Hor, Winston Darwin

2026.06.04 · game 1
White to move
PGN
[Event "Round 4: Ruiz Perez, Juan Octavio - Cu Hor, Winston Darwin"]
[Site "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-4/1EjWQPua/ltvvbOrD"]
[Date "2026.06.04"]
[Round "4.27"]
[White "Ruiz Perez, Juan Octavio"]
[Black "Cu Hor, Winston Darwin"]
[Result "0-1"]
[WhiteElo "2102"]
[WhiteTeam "MEX"]
[WhiteFideId "5116660"]
[BlackElo "2311"]
[BlackTitle "FM"]
[BlackTeam "GUA"]
[BlackFideId "7300662"]
[Variant "Standard"]
[ECO "B92"]
[Opening "Sicilian Defense: Najdorf Variation, Opocensky Variation"]
[UTCDate "2026.06.04"]
[UTCTime "15:15:17"]
[BroadcastName "XIX American Continental Chess Championship 2026 | Standard"]
[BroadcastURL "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-4/1EjWQPua"]
[GameURL "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-4/1EjWQPua/ltvvbOrD"]

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:42] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... d6 { [%eval 0.31] [%clk 1:31:07] } 3. d4 { [%eval 0.22] [%clk 1:31:40] } 3... cxd4 { [%eval 0.19] [%clk 1:31:31] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:01] } 4... Nf6 { [%eval 0.31] [%clk 1:31:56] } 5. Nc3 { [%eval 0.32] [%clk 1:32:24] } 5... a6 { [%eval 0.25] [%clk 1:32:22] } 6. Be2 { [%eval 0.19] [%clk 1:32:29] } 6... e5 { [%eval 0.14] [%clk 1:32:46] } 7. Nb3 { [%eval 0.09] [%clk 1:32:53] } 7... Be7 { [%eval 0.18] [%clk 1:33:10] } 8. Be3 { [%eval 0.31] [%clk 1:33:00] } 8... O-O?! { [%eval 0.96] } { Inaccuracy. Be6 was best. } { [%clk 1:33:34] } 9. g4 { [%eval 0.93] [%clk 1:32:35] } 9... Be6 { [%eval 0.87] [%clk 1:33:58] } 10. g5 { [%eval 1.05] [%clk 1:32:49] } 10... Nfd7 { [%eval 1.07] [%clk 1:34:26] } 11. h4 { [%eval 1.0] [%clk 1:31:50] } 11... Nb6 { [%eval 1.01] [%clk 1:34:25] } 12. Qd2 { [%eval 1.08] [%clk 1:25:16] } 12... N8d7 { [%eval 1.27] [%clk 1:34:47] } 13. O-O-O { [%eval 1.26] [%clk 1:18:57] } 13... Rc8 { [%eval 1.31] [%clk 1:30:39] } 14. Kb1 { [%eval 1.38] [%clk 1:16:55] } 14... Nc4 { [%eval 1.46] [%clk 1:29:07] } 15. Bxc4 { [%eval 1.34] [%clk 1:16:55] } 15... Rxc4 { [%eval 1.24] [%clk 1:29:28] } 16. Nd5?! { [%eval 0.56] } { Inaccuracy. f4 was best. } { [%clk 0:58:01] } 16... Bxd5 { [%eval 0.92] [%clk 1:11:00] } 17. Qxd5 { [%eval 0.97] [%clk 0:57:02] } 17... b5 { [%eval 0.83] [%clk 1:07:16] } 18. f4 { [%eval 0.8] [%clk 0:44:21] } 18... Qa8 { [%eval 0.91] [%clk 1:03:43] } 19. Qxa8 { [%eval 1.02] [%clk 0:39:09] } 19... Rxa8 { [%eval 1.0] [%clk 1:02:51] } 20. Nd2 { [%eval 0.96] [%clk 0:39:27] } 20... Rc6 { [%eval 1.06] [%clk 1:02:09] } 21. f5 { [%eval 0.96] [%clk 0:38:25] } 21... a5 { [%eval 0.97] [%clk 0:57:20] } 22. Nf1 { [%eval 1.09] [%clk 0:33:49] } 22... a4 { [%eval 1.26] [%clk 0:56:00] } 23. Rd3 { [%eval 0.78] [%clk 0:29:59] } 23... Bd8 { [%eval 1.09] [%clk 0:51:43] } 24. a3 { [%eval 0.93] [%clk 0:26:39] } 24... f6 { [%eval 1.38] [%clk 0:50:09] } 25. Rh2 { [%eval 1.01] [%clk 0:25:45] } 25... Kf7 { [%eval 1.09] [%clk 0:48:16] } 26. Rhd2 { [%eval 0.67] [%clk 0:25:13] } 26... Be7 { [%eval 0.7] [%clk 0:48:03] } 27. Rg2 { [%eval 0.75] [%clk 0:24:41] } 27... Rac8?! { [%eval 1.81] } { Inaccuracy. g6 was best. } { [%clk 0:47:20] } 28. Ng3?! { [%eval 0.86] } { Inaccuracy. g6+ was best. } { [%clk 0:23:10] } 28... Rc4?! { [%eval 1.94] } { Inaccuracy. Bf8 was best. } { [%clk 0:44:52] } 29. g6+ { [%eval 1.81] [%clk 0:20:11] } 29... Kg8 { [%eval 1.76] [%clk 0:33:00] } 30. gxh7+?! { [%eval 1.09] } { Inaccuracy. h5 was best. } { [%clk 0:20:25] } 30... Kxh7 { [%eval 0.96] [%clk 0:33:16] } 31. c3 { [%eval 0.88] [%clk 0:16:49] } 31... Bf8 { [%eval 1.09] [%clk 0:27:26] } 32. Rd1 { [%eval 1.09] [%clk 0:16:07] } 32... Nb8? { [%eval 2.44] } { Mistake. Kg8 was best. } { [%clk 0:26:42] } 33. Rd5 { [%eval 2.49] [%clk 0:12:05] } 33... Na6 { [%eval 2.56] [%clk 0:20:52] } 34. Rxb5 { [%eval 2.41] [%clk 0:12:00] } 34... Ra8 { [%eval 3.05] [%clk 0:19:01] } 35. Rd2?! { [%eval 2.03] } { Inaccuracy. h5 was best. } { [%clk 0:10:23] } 35... Nc7?! { [%eval 2.72] } { Inaccuracy. d5 was best. } { [%clk 0:19:09] } 36. Rb4 { [%eval 2.62] [%clk 0:10:23] } 36... Rc6 { [%eval 2.55] [%clk 0:19:36] } 37. Rb6 { [%eval 2.34] [%clk 0:10:17] } 37... Rc4 { [%eval 2.71] [%clk 0:20:04] } 38. Rb4 { [%eval 2.69] [%clk 0:09:31] } 38... Rc6 { [%eval 2.65] [%clk 0:20:22] } 39. Rb7 { [%eval 2.54] [%clk 0:08:26] } 39... Rc4 { [%eval 3.16] [%clk 0:17:14] } 40. h5 { [%eval 2.82] [%clk 0:07:07] } 40... d5?! { [%eval 3.93] } { Inaccuracy. Ne8 was best. } { [%clk 0:15:10] } 41. Bb6?! { [%eval 2.69] } { Inaccuracy. h6 was best. } { [%clk 0:06:22] } 41... Ne8 { [%eval 2.83] [%clk 0:15:12] } 42. Rxd5?! { [%eval 1.86] } { Inaccuracy. Rh2 was best. } { [%clk 0:06:27] } 42... Nd6 { [%eval 1.86] [%clk 0:15:37] } 43. Rc7? { [%eval 0.62] } { Mistake. Rd7 was best. } { [%clk 0:06:30] } 43... Rxc7 { [%eval 0.81] [%clk 0:04:48] } 44. Bxc7 { [%eval 0.72] [%clk 0:06:50] } 44... Nc4 { [%eval 0.88] [%clk 0:05:14] } 45. Rd8 { [%eval 0.85] [%clk 0:02:46] } 45... Ra7? { [%eval 2.52] } { Mistake. Rxd8 was best. } { [%clk 0:05:43] } 46. Bb8?? { [%eval 0.01] } { Blunder. Rxf8 was best. } { [%clk 0:01:17] } 46... Rb7 { [%eval 0.14] [%clk 0:03:50] } 47. Rxf8 { [%eval 0.07] [%clk 0:01:16] } 47... Rxb2+ { [%eval 0.07] [%clk 0:04:17] } 48. Kc1 { [%eval 0.01] [%clk 0:01:00] } 48... Rg2 { [%eval 0.06] [%clk 0:04:37] } 49. Rc8 { [%eval 0.12] [%clk 0:01:14] } 49... Rg1+ { [%eval 0.33] [%clk 0:03:48] } 50. Kc2 { [%eval 0.31] [%clk 0:01:33] } 50... Rg2+?? { [%eval 4.06] } { Blunder. Ne3+ was best. } { [%clk 0:03:59] } 51. Ne2 { [%eval 3.89] [%clk 0:01:48] } 51... Nxa3+ { [%eval 4.24] [%clk 0:03:55] } 52. Kd3 { [%eval 4.1] [%clk 0:02:05] } 52... Rh2 { [%eval 4.04] [%clk 0:01:39] } 53. Ba7 { [%eval 3.94] [%clk 0:01:47] } 53... Rh1 { [%eval 4.49] [%clk 0:01:57] } 54. Ra8?! { [%eval 3.14] } { Inaccuracy. Ng1 was best. } { [%clk 0:01:25] } 54... Rd1+ { [%eval 3.56] [%clk 0:02:13] } 55. Ke3 { [%eval 3.56] [%clk 0:01:53] } 55... Nc4+ { [%eval 3.42] [%clk 0:01:53] } 56. Kf2 { [%eval 3.13] [%clk 0:02:13] } 56... Nd6 { [%eval 3.5] [%clk 0:02:22] } 57. Ng3 { [%eval 3.5] [%clk 0:00:58] } 57... Rd2+ { [%eval 3.34] [%clk 0:02:07] } 58. Kf3 { [%eval 3.32] [%clk 0:00:38] } 58... Rd3+ { [%eval 3.09] [%clk 0:02:16] } 59. Kf2?! { [%eval 2.21] } { Inaccuracy. Kg4 was best. } { [%clk 0:00:53] } 59... Rxc3 { [%eval 2.34] [%clk 0:02:23] } 60. h6 { [%eval 2.23] [%clk 0:01:05] } 60... a3?! { [%eval 3.35] } { Inaccuracy. Kxh6 was best. } { [%clk 0:01:50] } 61. hxg7? { [%eval 1.46] } { Mistake. Be3 was best. } { [%clk 0:01:03] } 61... Kxg7? { [%eval 3.09] } { Mistake. Rc8 was best. } { [%clk 0:02:18] } 62. Bb8 { [%eval 3.16] [%clk 0:00:40] } 62... Nb5 { [%eval 3.19] [%clk 0:02:20] } 63. Ra5?! { [%eval 2.41] } { Inaccuracy. Nh5+ was best. } { [%clk 0:00:35] } 63... Rb3?! { [%eval 3.82] } { Inaccuracy. Rc2+ was best. } { [%clk 0:02:41] } 64. Ba7?? { [%eval 0.33] } { Blunder. Nh5+ was best. } { [%clk 0:00:33] } 64... Rb2+? { [%eval 1.54] } { Mistake. Nc3 was best. } { [%clk 0:02:40] } 65. Ne2?? { [%eval -2.9] } { Blunder. Kf3 was best. } { [%clk 0:00:32] } 65... a2 { [%eval -2.78] [%clk 0:02:22] } 66. Ke3?? { [%eval -6.62] } { Blunder. Bc5 was best. } { [%clk 0:00:39] } 66... Rb3+ { [%eval -6.47] [%clk 0:02:37] } 0-1
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