Event: Ronda 4: Portillo Rangel, Iktan - Jose Roberto Diosdado Cornejo
Site: https://lichess.org/broadcast/iii-campeonato-nacional-e-internacional-aguascalientes-2025--sub-07-abs/ronda-4/erkhzF2v/3rnuvRvu
White: Portillo Rangel, Iktan
Black: Jose Roberto Diosdado Cornejo
Result: 1-0
ECO: C47
Opening: Four Knights Game: Scotch Variation Accepted
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:32:39] } 1... e5 { [%eval 0.22] [%clk 1:31:32] } 2. Nf3 { [%eval 0.13] [%clk 1:34:00] } 2... Nc6 { [%eval 0.21] [%clk 1:30:17] } 3. Nc3 { [%eval 0.06] [%clk 1:34:14] } 3... Nf6 { [%eval 0.07] [%clk 1:31:56] } 4. d4 { [%eval 0.06] [%clk 1:34:12] } 4... exd4 { [%eval 0.09] [%clk 1:31:58] } 5. Nxd4 { [%eval 0.06] [%clk 1:34:54] } 5... Nxd4?! { [%eval 0.85] } { Inaccuracy. Bb4 was best. } { [%clk 1:32:27] } 6. Qxd4 { [%eval 0.94] [%clk 1:34:42] } 6... b6?? { [%eval 2.95] } { Blunder. d6 was best. } { [%clk 1:32:33] } 7. Qd1?? { [%eval -0.04] } { Blunder. e5 was best. } { [%clk 1:34:54] } 7... d6?! { [%eval 0.75] } { Inaccuracy. Bb4 was best. } { [%clk 1:32:21] } 8. Bb5+ { [%eval 0.49] [%clk 1:35:00] } 8... Nd7? { [%eval 2.05] } { Mistake. Bd7 was best. } { [%clk 1:31:59] } 9. O-O? { [%eval 0.6] } { Mistake. Bc6 was best. } { [%clk 1:35:11] } 9... a6? { [%eval 2.14] } { Mistake. Bb7 was best. } { [%clk 1:31:59] } 10. Bc4? { [%eval 0.67] } { Mistake. Bc6 was best. } { [%clk 1:34:37] } 10... Ne5?! { [%eval 1.59] } { Inaccuracy. c6 was best. } { [%clk 1:30:39] } 11. Bb3 { [%eval 1.71] [%clk 1:35:23] } 11... Bg4 { [%eval 1.92] [%clk 1:30:43] } 12. Ba4+?? { [%eval 0.03] } { Blunder. f3 was best. } { [%clk 1:35:33] } 12... Ke7?? { [%eval 5.44] } { Blunder. b5 was best. } { [%clk 1:30:22] } 13. Nd5+ { [%eval 5.68] [%clk 1:35:40] } 13... Ke6 { [%eval 5.56] [%clk 1:29:51] } 14. f3 { [%eval 5.62] [%clk 1:35:43] } 14... b5 { [%eval 5.68] [%clk 1:29:44] } 15. fxg4?! { [%eval 4.31] } { Inaccuracy. Bb3 was best. } { [%clk 1:35:39] } 15... bxa4 { [%eval 4.25] [%clk 1:28:53] } 16. b3?! { [%eval 3.18] } { Inaccuracy. Nxc7+ was best. } { [%clk 1:35:57] } 16... axb3 { [%eval 3.35] [%clk 1:28:38] } 17. cxb3 { [%eval 3.22] [%clk 1:36:19] } 17... c6 { [%eval 3.82] [%clk 1:27:59] } 18. h4?? { [%eval -1.57] } { Blunder. Bb2 was best. } { [%clk 1:36:24] } 18... c5?? { [%eval 5.61] } { Blunder. cxd5 was best. } { [%clk 1:26:08] } 19. Rf2?! { [%eval 4.43] } { Inaccuracy. Bb2 was best. } { [%clk 1:36:36] } 19... c4 { [%eval 4.91] [%clk 1:25:39] } 20. Qf1 { [%eval 4.09] [%clk 1:36:53] } 20... cxb3?? { [%eval #10] } { Checkmate is now unavoidable. f6 was best. } { [%clk 1:25:03] } 21. axb3?? { [%eval 5.08] } { Lost forced checkmate sequence. Rxf7 was best. } { [%clk 1:37:10] } 21... Nd3?? { [%eval #8] } { Checkmate is now unavoidable. f6 was best. } { [%clk 1:22:58] } 22. Qxd3? { [%eval 7.43] } { Lost forced checkmate sequence. Rxf7 was best. } { [%clk 1:37:26] } 22... Qd7? { [%eval #6] } { Checkmate is now unavoidable. f6 was best. } { [%clk 1:22:30] } 23. Nb6? { [%eval 8.78] } { Lost forced checkmate sequence. Qf3 was best. } { [%clk 1:37:32] } 23... Qb5 { [%eval 9.22] [%clk 1:22:28] } 24. Qd4 { [%eval 7.84] [%clk 1:37:07] } 24... Qe5? { [%eval #6] } { Checkmate is now unavoidable. Rb8 was best. } { [%clk 1:22:20] } 25. Qc4+ { [%eval #5] [%clk 1:38:26] } 25... Qd5 { [%eval #3] [%clk 1:17:08] } 26. exd5+ { [%eval #2] [%clk 1:38:51] } 26... Ke5 { [%eval #1] [%clk 1:16:17] } 27. Qf4# { [%clk 1:36:10] } 1-0