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Cubillo Duran, Aaron Josue vs Cahuas Mendez, Dereck

2026.09.27 · game 1
White to move
PGN
[Event "Desafío Mentes Maestras | CENFOTEC | 2026"]
[Site "Auditorio Richard Beck Student Center, Universidad CENFOTEC, San Jose, Costa Rica"]
[Date "2026.09.27"]
[Round "3.6"]
[White "Cubillo Duran, Aaron Josue"]
[Black "Cahuas Mendez, Dereck"]
[Result "0-1"]
[WhiteElo "1449"]
[WhiteFideId "6520464"]
[BlackElo "0"]
[BlackFideId "-"]
[TimeControl "10 min + 5 seg add"]
[Variant "Standard"]
[ECO "B00"]
[Opening "Pirc Defense"]
[UTCDate "2026.09.27"]
[UTCTime "17:00:13"]
[BroadcastName "Desafío Mentes Maestras -| CENFOTEC | 2026"]
[BroadcastURL "https://lichess.org/broadcast/desafio-mentes-maestras-cenfotec-2026/ronda-3/0ezijc6e"]
[GameURL "https://lichess.org/broadcast/desafio-mentes-maestras-cenfotec-2026/ronda-3/0ezijc6e/w83GcNZp"]

1. e4 { [%eval 0.18] [%clk 0:10:09] } 1... d6 { [%eval 0.43] [%clk 0:10:09] } 2. b3 { [%eval -0.1] [%clk 0:10:10] } 2... e5 { [%eval 0.24] [%clk 0:10:09] } 3. Bb2 { [%eval 0.13] [%clk 0:10:13] } 3... Nf6 { [%eval 0.28] [%clk 0:09:24] } 4. d3 { [%eval -0.22] [%clk 0:10:12] } 4... c5 { [%eval -0.15] [%clk 0:09:09] } 5. Nd2 { [%eval -0.34] [%clk 0:10:09] } 5... Be7 { [%eval -0.22] [%clk 0:09:06] } 6. g3 { [%eval -0.21] [%clk 0:10:00] } 6... O-O { [%eval -0.19] [%clk 0:08:57] } 7. Bh3 { [%eval -0.71] [%clk 0:09:58] } 7... Bxh3 { [%eval -0.77] [%clk 0:08:48] } 8. Nxh3 { [%eval -0.78] [%clk 0:10:02] } 8... Nc6 { [%eval -0.44] [%clk 0:08:48] } 9. f4 { [%eval -0.43] [%clk 0:09:54] } 9... h6?! { [%eval 0.26] } { Inaccuracy. Qd7 was best. } { [%clk 0:08:13] } 10. Nc4 { [%eval -0.26] [%clk 0:05:14] } 10... b5?! { [%eval 0.33] } { Inaccuracy. exf4 was best. } { [%clk 0:07:53] } 11. Ne3 { [%eval 0.41] [%clk 0:05:14] } 11... Qd7 { [%eval 0.34] [%clk 0:07:39] } 12. f5?! { [%eval -0.43] } { Inaccuracy. Nf2 was best. } { [%clk 0:04:55] } 12... Rab8 { [%eval -0.07] [%clk 0:07:16] } 13. Qe2?! { [%eval -0.84] } { Inaccuracy. a4 was best. } { [%clk 0:04:46] } 13... Nd4 { [%eval -0.32] [%clk 0:06:33] } 14. Bxd4?? { [%eval -2.37] } { Blunder. Qg2 was best. } { [%clk 0:04:42] } 14... cxd4 { [%eval -2.24] [%clk 0:06:35] } 15. Ng4 { [%eval -2.26] [%clk 0:04:23] } 15... Qc7?! { [%eval -1.29] } { Inaccuracy. Nxg4 was best. } { [%clk 0:05:41] } 16. Nhf2?? { [%eval -5.0] } { Blunder. O-O was best. } { [%clk 0:04:13] } 16... Rbc8?? { [%eval -2.26] } { Blunder. Qc3+ was best. } { [%clk 0:05:11] } 17. Nxf6+ { [%eval -2.2] [%clk 0:03:32] } 17... Bxf6 { [%eval -2.24] [%clk 0:05:06] } 18. Rc1?! { [%eval -3.27] } { Inaccuracy. Ng4 was best. } { [%clk 0:03:27] } 18... Bg5 { [%eval -3.48] [%clk 0:05:02] } 19. O-O { [%eval -3.49] [%clk 0:02:35] } 19... Bxc1 { [%eval -3.19] [%clk 0:04:56] } 20. Rxc1 { [%eval -2.94] [%clk 0:02:40] } 20... Qe7 { [%eval -3.12] [%clk 0:04:48] } 21. h4 { [%eval -2.98] [%clk 0:02:34] } 21... Qf6?! { [%eval -1.79] } { Inaccuracy. a5 was best. } { [%clk 0:04:23] } 22. Ng4 { [%eval -1.99] [%clk 0:02:34] } 22... Qe7 { [%eval -1.56] [%clk 0:03:50] } 23. Rf1? { [%eval -3.29] } { Mistake. f6 was best. } { [%clk 0:02:37] } 23... f6 { [%eval -3.13] [%clk 0:03:44] } 24. Nf2 { [%eval -3.34] [%clk 0:01:48] } 24... Rc7 { [%eval -3.09] [%clk 0:03:25] } 25. Rc1 { [%eval -2.94] [%clk 0:01:30] } 25... b4 { [%eval -2.84] [%clk 0:03:07] } 26. Qd2 { [%eval -3.01] [%clk 0:01:17] } 26... a5 { [%eval -2.94] [%clk 0:02:58] } 27. Nd1 { [%eval -3.08] [%clk 0:01:22] } 27... Qf7 { [%eval -3.03] [%clk 0:02:51] } 28. Qe2 { [%eval -3.45] [%clk 0:01:19] } 28... g5 { [%eval -2.98] [%clk 0:02:44] } 29. h5 { [%eval -3.41] [%clk 0:01:03] } 29... Rfc8?! { [%eval -2.38] } { Inaccuracy. g4 was best. } { [%clk 0:02:00] } 30. Nb2 { [%eval -2.68] [%clk 0:01:00] } 30... Rd8 { [%eval -2.57] [%clk 0:01:49] } 31. Nc4 { [%eval -2.6] [%clk 0:01:03] } 31... d5 { [%eval -2.38] [%clk 0:01:31] } 32. Nd2 { [%eval -2.91] [%clk 0:00:44] } 32... dxe4 { [%eval -3.23] [%clk 0:01:14] } 33. Nxe4 { [%eval -3.16] [%clk 0:00:43] } 33... Rc6 { [%eval -2.74] [%clk 0:00:46] } 34. Qf3?! { [%eval -3.66] } { Inaccuracy. Kf1 was best. } { [%clk 0:00:41] } 34... Kg7? { [%eval -1.67] } { Mistake. Rdc8 was best. } { [%clk 0:00:29] } 35. Nf2?? { [%eval -4.18] } { Blunder. Nxg5 was best. } { [%clk 0:00:36] } 35... Rcd6? { [%eval -2.42] } { Mistake. Rdc8 was best. } { [%clk 0:00:30] } 36. Ne4 { [%eval -2.33] [%clk 0:00:39] } 36... Rc6?! { [%eval -1.23] } { Inaccuracy. Rb6 was best. } { [%clk 0:00:33] } 37. Kf2?? { [%eval -3.79] } { Blunder. Nxg5 was best. } { [%clk 0:00:30] } 37... Qd5?! { [%eval -2.62] } { Inaccuracy. Rdc8 was best. } { [%clk 0:00:35] } 38. Qg4? { [%eval -4.68] } { Mistake. Nd2 was best. } { [%clk 0:00:19] } 38... Rdc8 { [%eval -4.52] [%clk 0:00:32] } 39. Qe2 { [%eval -4.24] [%clk 0:00:22] } 39... R8c7?! { [%eval -2.78] } { Inaccuracy. Qd7 was best. } { [%clk 0:00:32] } 40. g4 { [%eval -3.27] [%clk 0:00:15] } 40... Ra7 { [%eval -2.74] [%clk 0:00:27] } 41. Nd2 { [%eval -3.36] [%clk 0:00:11] } 41... a4 { [%eval -3.04] [%clk 0:00:22] } 42. Nc4 { [%eval -3.65] [%clk 0:00:10] } 42... axb3 { [%eval -3.68] [%clk 0:00:19] } 43. cxb3?! { [%eval -4.77] } { Inaccuracy. axb3 was best. } { [%clk 0:00:11] } 43... Rca6 { [%eval -4.23] [%clk 0:00:19] } 44. Rc2 { [%eval -4.97] [%clk 0:00:12] } 44... Re7 { [%eval -4.05] [%clk 0:00:15] } 45. Nd2 { [%eval -4.38] [%clk 0:00:12] } 45... Qa5?! { [%eval -3.31] } { Inaccuracy. Qh1 was best. } { [%clk 0:00:15] } 46. Nc4?! { [%eval -4.19] } { Inaccuracy. Ne4 was best. } { [%clk 0:00:11] } 46... Qd5 { [%eval -4.2] [%clk 0:00:18] } 47. Nd2 { [%eval -3.93] [%clk 0:00:09] } 47... Re8?? { [%eval -1.58] } { Blunder. Qh1 was best. } { [%clk 0:00:19] } 48. Ne4?! { [%eval -2.84] } { Inaccuracy. Rc7+ was best. } { [%clk 0:00:10] } 48... Rea8?! { [%eval -1.86] } { Inaccuracy. Rc6 was best. } { [%clk 0:00:20] } 49. Rc5?? { [%eval -5.91] } { Blunder. Rc7+ was best. } { [%clk 0:00:14] } 49... Qd7?? { [%eval -1.58] } { Blunder. Qxc5 was best. } { [%clk 0:00:17] } 50. Qc2?? { [%eval -6.69] } { Blunder. Qe1 was best. } { [%clk 0:00:16] } 50... Rxa2 { [%eval -6.35] [%clk 0:00:19] } 51. Qxa2 { [%eval -8.71] [%clk 0:00:06] } 51... Rxa2+ { [%eval -8.04] [%clk 0:00:22] } 52. Kf3 { [%eval -9.01] [%clk 0:00:09] } 52... Qa7 { [%eval -7.3] [%clk 0:00:16] } 53. Nd6? { [%eval #-5] } { Checkmate is now unavoidable. Rc1 was best. } { [%clk 0:00:08] } 53... Qxc5 { [%eval #-4] [%clk 0:00:17] } 54. Ne4 { [%eval #-3] [%clk 0:00:10] } 54... Qc1 { [%eval #-2] [%clk 0:00:20] } 55. Kg3 { [%eval #-1] [%clk 0:00:09] } 55... Qe1+ { [%eval #-2] [%clk 0:00:22] } 56. Kf3 { [%eval #-1] [%clk 0:00:12] } 56... Ra3 { [%eval #-3] [%clk 0:00:17] } 57. Nc5 { [%eval #-3] [%clk 0:00:08] } 57... Ra2 { [%eval #-3] [%clk 0:00:14] } 58. Ne4 { [%eval #-1] [%clk 0:00:12] } 58... Re2 { [%eval #-1] [%clk 0:00:15] } 59. Ng3 { [%eval #-1] [%clk 0:00:08] } 59... Qf2# { [%clk 0:00:15] } 0-1
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