Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Calderon Villalobos, Alexis
WhiteElo: 1718
Black: Castro Rojas, Juan Carlos
BlackElo: 0
Result: 1-0
ECO: C26
Opening: Vienna Game: Stanley Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:30] } 1... e5 { [%eval 0.21] [%clk 1:28:10] } 2. Bc4 { [%eval 0.03] [%clk 1:28:22] } 2... Nf6 { [%eval 0.11] [%clk 1:30:31] } 3. Nc3 { [%eval 0.0] [%clk 1:28:17] } 3... g6? { [%eval 1.28] } { Mistake. Bc5 was best. } { [%clk 1:30:21] } 4. Nf3 { [%eval 1.15] [%clk 1:28:17] } 4... Nc6 { [%eval 0.98] [%clk 1:30:39] } 5. O-O?! { [%eval 0.2] } { Inaccuracy. Ng5 was best. } { [%clk 1:28:17] } 5... Bg7 { [%eval 0.28] [%clk 1:31:04] } 6. a3 { [%eval -0.05] [%clk 1:27:54] } 6... O-O { [%eval 0.14] [%clk 1:31:22] } 7. d3 { [%eval 0.17] [%clk 1:27:57] } 7... d6 { [%eval 0.2] [%clk 1:31:42] } 8. Bg5 { [%eval -0.15] [%clk 1:27:08] } 8... h6 { [%eval -0.17] [%clk 1:30:50] } 9. Bh4?! { [%eval -0.77] } { Inaccuracy. Bxf6 was best. } { [%clk 1:27:18] } 9... g5 { [%eval -0.66] [%clk 1:30:55] } 10. Bg3 { [%eval -0.87] [%clk 1:27:41] } 10... Nh5? { [%eval 0.73] } { Mistake. Bg4 was best. } { [%clk 1:31:00] } 11. Ne2? { [%eval -0.81] } { Mistake. Nxe5 was best. } { [%clk 1:27:12] } 11... Nxg3?! { [%eval 0.15] } { Inaccuracy. Kh8 was best. } { [%clk 1:31:15] } 12. fxg3 { [%eval -0.27] [%clk 1:26:52] } 12... a6?! { [%eval 0.38] } { Inaccuracy. Ne7 was best. } { [%clk 1:31:09] } 13. Nc3 { [%eval 0.02] [%clk 1:25:26] } 13... b5? { [%eval 1.5] } { Mistake. Kh8 was best. } { [%clk 1:31:18] } 14. Ba2?! { [%eval 0.44] } { Inaccuracy. Bd5 was best. } { [%clk 1:24:32] } 14... Bg4 { [%eval 0.68] [%clk 1:31:31] } 15. h3 { [%eval 0.7] [%clk 1:24:25] } 15... Bh5? { [%eval 1.99] } { Mistake. Be6 was best. } { [%clk 1:30:29] } 16. g4?! { [%eval 1.35] } { Inaccuracy. Bd5 was best. } { [%clk 1:24:09] } 16... Bg6 { [%eval 1.49] [%clk 1:30:48] } 17. Nd5?! { [%eval 0.58] } { Inaccuracy. Bd5 was best. } { [%clk 1:20:38] } 17... Rb8 { [%eval 0.98] [%clk 1:31:15] } 18. Qe1 { [%eval 0.9] [%clk 1:19:21] } 18... Na5?? { [%eval 5.49] } { Blunder. Kh8 was best. } { [%clk 1:29:03] } 19. Qxa5 { [%eval 5.59] [%clk 1:19:23] } 19... Ra8 { [%eval 5.93] [%clk 1:29:01] } 20. Qe1 { [%eval 5.54] [%clk 1:14:33] } 20... c6 { [%eval 5.48] [%clk 1:28:59] } 21. Ne3 { [%eval 5.43] [%clk 1:13:07] } 21... Qd7 { [%eval 5.58] [%clk 1:27:06] } 22. h4 { [%eval 5.37] [%clk 1:13:50] } 22... Kh7 { [%eval 5.81] [%clk 1:23:54] } 23. h5 { [%eval 5.95] [%clk 1:14:03] } 23... Bxe4 { [%eval 6.84] [%clk 1:20:52] } 24. dxe4 { [%eval 6.85] [%clk 1:14:17] } 24... Rac8 { [%eval 7.11] [%clk 1:19:57] } 25. Rd1 { [%eval 7.14] [%clk 1:14:09] } 25... Qc7 { [%eval 7.1] [%clk 1:17:24] } 26. Nf5 { [%eval 7.09] [%clk 1:12:26] } 26... d5 { [%eval 8.03] [%clk 1:14:08] } 27. Nxg7 { [%eval 8.09] [%clk 1:11:08] } 27... Kxg7 { [%eval 7.95] [%clk 1:14:17] } 28. exd5 { [%eval 7.94] [%clk 1:10:09] } 28... f6 { [%eval 9.15] [%clk 1:13:35] } 29. d6 { [%eval 8.92] [%clk 1:09:52] } 29... Qd7 { [%eval 9.21] [%clk 1:13:14] } 30. Qe4 { [%eval 9.14] [%clk 1:09:08] } 30... Kh8 { [%eval 9.18] [%clk 1:10:53] } 31. Qg6 { [%eval 9.06] [%clk 1:08:17] } 31... Qg7 { [%eval 9.08] [%clk 1:10:45] } 32. Qf5 { [%eval 8.28] [%clk 1:07:13] } 32... c5 { [%eval 9.44] [%clk 1:10:58] } 33. Be6 { [%eval 9.37] [%clk 1:06:07] } 33... Rcd8 { [%eval 9.03] [%clk 1:10:44] } 34. d7 { [%eval 8.95] [%clk 1:05:20] } 34... c4 { [%eval 9.54] [%clk 1:09:36] } 35. Rd6 { [%eval 9.25] [%clk 1:04:08] } 35... Qe7 { [%eval 9.56] [%clk 1:09:35] } 36. Rfd1 { [%eval 9.43] [%clk 1:04:17] } 36... Kg7? { [%eval #13] } { Checkmate is now unavoidable. a5 was best. } { [%clk 1:09:00] } 37. Kf2?! { [%eval 10.12] } { Lost forced checkmate sequence. Qg6+ was best. } { [%clk 1:02:44] } 37... a5 { [%eval 10.47] [%clk 1:08:47] } 38. Qg6+ { [%eval 10.7] [%clk 1:01:48] } 38... Kh8 { [%eval 10.67] [%clk 1:08:59] } 39. Qxh6+ { [%eval 10.62] [%clk 1:01:38] } 39... Qh7 { [%eval 10.41] [%clk 1:09:16] } 40. Qxh7+ { [%eval 10.35] [%clk 1:01:51] } 40... Kxh7 { [%eval 10.12] [%clk 1:09:36] } 41. Bf5+ { [%eval 10.11] [%clk 1:00:56] } 41... Kg7 { [%eval 10.14] [%clk 1:09:25] } 42. Rb6 { [%eval 10.21] [%clk 1:01:02] } 42... b4 { [%eval 10.34] [%clk 1:09:01] } 43. axb4 { [%eval 10.06] [%clk 1:01:02] } 43... a4 { [%eval 10.66] [%clk 1:08:12] } 44. Ra6 { [%eval 10.55] [%clk 1:01:04] } 44... Rf7 { [%eval 10.5] [%clk 1:08:26] } 45. b5 { [%eval 10.68] [%clk 1:00:23] } 45... Re7 { [%eval 11.16] [%clk 1:08:47] } 46. h6+ { [%eval 10.77] [%clk 0:57:47] } 46... Kh8?! { [%eval #5] } { Checkmate is now unavoidable. Kg8 was best. } { [%clk 1:08:29] } 47. Rdd6?! { [%eval 11.78] } { Lost forced checkmate sequence. Ra8 was best. } { [%clk 0:57:33] } 47... e4?! { [%eval #6] } { Checkmate is now unavoidable. Rf7 was best. } { [%clk 1:07:20] } 48. Nd4?! { [%eval 13.04] } { Lost forced checkmate sequence. Ra8 was best. } { [%clk 0:57:53] } 48... e3+?! { [%eval #8] } { Checkmate is now unavoidable. Re5 was best. } { [%clk 1:07:26] } 49. Ke2 { [%eval #7] [%clk 0:58:08] } 1-0