Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Moran, Mike
WhiteElo: 1624
Black: Calderon Villalobos, Alexis
BlackElo: 1718
Result: 1-0
ECO: A84
Opening: Dutch Defense: Classical Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... f5 { [%eval 0.47] [%clk 1:30:54] } 2. c4 { [%eval 0.49] [%clk 1:31:21] } 2... e6 { [%eval 0.41] [%clk 1:31:01] } 3. Qb3 { [%eval 0.36] [%clk 1:31:33] } 3... Nf6 { [%eval 0.35] [%clk 1:30:58] } 4. Nc3 { [%eval 0.28] [%clk 1:31:49] } 4... b6 { [%eval 0.39] [%clk 1:29:45] } 5. g3?! { [%eval -0.24] } { Inaccuracy. Bf4 was best. } { [%clk 1:31:13] } 5... Bb7 { [%eval -0.25] [%clk 1:29:57] } 6. Nf3 { [%eval -0.21] [%clk 1:31:38] } 6... a5 { [%eval 0.24] [%clk 1:28:54] } 7. Bg2 { [%eval 0.28] [%clk 1:31:26] } 7... Bb4 { [%eval 0.23] [%clk 1:28:54] } 8. Bd2 { [%eval 0.09] [%clk 1:31:20] } 8... Bxc3 { [%eval 0.09] [%clk 1:28:47] } 9. Bxc3 { [%eval 0.13] [%clk 1:29:58] } 9... Ne4 { [%eval 0.23] [%clk 1:28:43] } 10. O-O { [%eval 0.18] [%clk 1:00:19] } 10... O-O { [%eval 0.22] [%clk 1:28:36] } 11. Rad1 { [%eval 0.03] [%clk 0:56:18] } 11... d5 { [%eval 0.3] [%clk 1:26:51] } 12. Nh4?! { [%eval -0.44] } { Inaccuracy. Nd2 was best. } { [%clk 0:45:49] } 12... c6 { [%eval 0.04] [%clk 1:21:53] } 13. Bxe4 { [%eval -0.09] [%clk 0:45:24] } 13... fxe4 { [%eval -0.03] [%clk 1:21:54] } 14. Ng2 { [%eval -0.42] [%clk 0:39:10] } 14... Nd7 { [%eval -0.29] [%clk 1:20:36] } 15. cxd5 { [%eval -0.4] [%clk 0:37:42] } 15... cxd5?! { [%eval 0.18] } { Inaccuracy. exd5 was best. } { [%clk 1:18:07] } 16. Nf4 { [%eval -0.05] [%clk 0:37:22] } 16... Qe7 { [%eval -0.04] [%clk 1:15:05] } 17. f3 { [%eval -0.45] [%clk 0:36:13] } 17... Rf5?! { [%eval 0.6] } { Inaccuracy. Ba6 was best. } { [%clk 1:09:08] } 18. fxe4 { [%eval 0.51] [%clk 0:36:27] } 18... a4 { [%eval 0.6] [%clk 1:06:09] } 19. Qb4 { [%eval 0.47] [%clk 0:36:29] } 19... Qxb4 { [%eval 0.53] [%clk 1:04:32] } 20. Bxb4 { [%eval 0.53] [%clk 0:36:57] } 20... Rf6?? { [%eval 4.15] } { Blunder. dxe4 was best. } { [%clk 1:02:17] } 21. e5 { [%eval 3.94] [%clk 0:37:07] } 21... Rh6 { [%eval 4.56] [%clk 1:01:34] } 22. Rc1?! { [%eval 3.6] } { Inaccuracy. Be7 was best. } { [%clk 0:37:20] } 22... Ba6?! { [%eval 4.78] } { Inaccuracy. g5 was best. } { [%clk 1:00:05] } 23. Be7 { [%eval 4.83] [%clk 0:36:00] } 23... Bc4 { [%eval 4.96] [%clk 0:59:31] } 24. a3?! { [%eval 3.52] } { Inaccuracy. b3 was best. } { [%clk 0:36:23] } 24... Re8 { [%eval 3.92] [%clk 0:57:17] } 25. Bg5 { [%eval 3.68] [%clk 0:36:50] } 25... Nf8?! { [%eval 5.27] } { Inaccuracy. Rg6 was best. } { [%clk 0:53:06] } 26. Bxh6 { [%eval 5.42] [%clk 0:37:09] } 26... gxh6 { [%eval 5.26] [%clk 0:53:24] } 27. Rf2 { [%eval 5.27] [%clk 0:36:23] } 27... Ng6 { [%eval 5.43] [%clk 0:50:52] } 28. Nh5 { [%eval 5.38] [%clk 0:36:55] } 28... Re7 { [%eval 5.73] [%clk 0:49:08] } 29. e4 { [%eval 5.81] [%clk 0:30:07] } 29... b5 { [%eval 5.9] [%clk 0:49:20] } 30. exd5 { [%eval 5.84] [%clk 0:29:05] } 30... exd5 { [%eval 5.52] [%clk 0:49:12] } 31. Rc3 { [%eval 5.16] [%clk 0:26:54] } 31... Nf8 { [%eval 5.91] [%clk 0:48:10] } 32. Rcf3 { [%eval 5.85] [%clk 0:26:58] } 32... Ne6 { [%eval 5.8] [%clk 0:47:57] } 33. Rf6 { [%eval 5.66] [%clk 0:22:44] } 33... Bb3 { [%eval 5.89] [%clk 0:44:53] } 34. Rxh6 { [%eval 5.67] [%clk 0:23:00] } 34... Nxd4?! { [%eval 7.73] } { Inaccuracy. b4 was best. } { [%clk 0:45:07] } 35. Nf6+ { [%eval 5.93] [%clk 0:23:18] } 35... Kg7?! { [%eval 8.73] } { Inaccuracy. Kf8 was best. } { [%clk 0:45:29] } 36. Rxh7+ { [%eval 8.84] [%clk 0:23:44] } 36... Kf8 { [%eval 8.86] [%clk 0:45:18] } 37. Nxd5+ { [%eval 8.29] [%clk 0:21:09] } 37... Ke8? { [%eval #2] } { Checkmate is now unavoidable. Kg8 was best. } { [%clk 0:44:13] } 38. Rxe7+ { [%eval #1] [%clk 0:21:34] } 1-0