Event: Round 1: Requejo Cotrina, Oswaldo Valentin - Benavides Conza, Diego Angelo
Site: https://lichess.org/broadcast/campeonato-nacional-superior-peru-2025--absoluto/round-1/Lu4Kh4xX/kBlmT7gQ
Date: 2025-10-08
White: Requejo Cotrina, Oswaldo Valentin
WhiteTitle: FM
WhiteElo: 2183
Black: Benavides Conza, Diego Angelo
BlackElo: 1826
Result: 1-0
ECO: E26
Opening: Nimzo-Indian Defense: Sämisch Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:30] } 1... Nf6 { [%eval 0.19] [%clk 1:30:30] } 2. c4 { [%eval 0.18] [%clk 1:30:05] } 2... e6 { [%eval 0.14] [%clk 1:17:28] } 3. Nc3 { [%eval 0.09] [%clk 1:29:24] } 3... Bb4 { [%eval 0.15] [%clk 1:17:52] } 4. a3 { [%eval -0.11] [%clk 1:29:22] } 4... Bxc3+ { [%eval -0.11] [%clk 1:18:09] } 5. bxc3 { [%eval -0.07] [%clk 1:29:48] } 5... c5 { [%eval 0.0] [%clk 1:15:40] } 6. e3 { [%eval 0.0] [%clk 1:29:27] } 6... O-O { [%eval 0.1] [%clk 1:14:21] } 7. Bd3 { [%eval 0.07] [%clk 1:29:47] } 7... b6 { [%eval 0.38] [%clk 1:13:37] } 8. e4 { [%eval 0.47] [%clk 1:26:17] } 8... Ne8?! { [%eval 1.06] } { Inaccuracy. Bb7 was best. } { [%clk 1:13:12] } 9. Nf3 { [%eval 1.03] [%clk 1:25:19] } 9... f5?! { [%eval 2.21] } { Inaccuracy. Nc6 was best. } { [%clk 1:09:43] } 10. O-O { [%eval 2.11] [%clk 1:18:39] } 10... d6 { [%eval 2.18] [%clk 0:48:38] } 11. Re1 { [%eval 2.21] [%clk 1:03:40] } 11... Nc6 { [%eval 1.99] [%clk 0:40:18] } 12. d5 { [%eval 2.04] [%clk 1:00:07] } 12... exd5 { [%eval 1.95] [%clk 0:38:32] } 13. exd5 { [%eval 1.42] [%clk 0:58:56] } 13... Ne7?! { [%eval 2.04] } { Inaccuracy. Na5 was best. } { [%clk 0:39:00] } 14. Ng5 { [%eval 2.14] [%clk 0:53:44] } 14... Ng6? { [%eval 3.78] } { Mistake. a6 was best. } { [%clk 0:32:37] } 15. Nxh7 { [%eval 3.68] [%clk 0:53:13] } 15... Kxh7 { [%eval 3.96] [%clk 0:32:54] } 16. Qh5+ { [%eval 3.87] [%clk 0:53:29] } 16... Kg8 { [%eval 3.76] [%clk 0:33:16] } 17. Qxg6 { [%eval 3.78] [%clk 0:53:47] } 17... Qf6 { [%eval 3.55] [%clk 0:32:40] } 18. Qxf6 { [%eval 3.9] [%clk 0:48:03] } 18... Nxf6 { [%eval 4.0] [%clk 0:33:05] } 19. Bf4 { [%eval 3.71] [%clk 0:48:16] } 19... Rd8 { [%eval 3.6] [%clk 0:32:41] } 20. Re7 { [%eval 3.52] [%clk 0:38:52] } 20... b5 { [%eval 4.31] [%clk 0:32:37] } 21. cxb5 { [%eval 4.25] [%clk 0:27:36] } 21... Kf8 { [%eval 4.6] [%clk 0:32:24] } 22. Rae1 { [%eval 4.48] [%clk 0:27:10] } 22... Nxd5 { [%eval 4.66] [%clk 0:32:21] } 23. Bg5 { [%eval 4.8] [%clk 0:27:17] } 23... Nxe7 { [%eval 5.92] [%clk 0:32:21] } 24. Bxe7+ { [%eval 5.87] [%clk 0:27:31] } 24... Ke8 { [%eval 5.86] [%clk 0:32:50] } 25. Bg5+ { [%eval 5.63] [%clk 0:27:45] } 1-0