Event: Round 5: Santiago Lastra, Nefi - Sifuentes Alcantara, Jhony Sebas
Site: https://lichess.org/broadcast/campeonato-nacional-superior-peru-2025--absoluto/round-5/jzpUHpd5/RWP4UJpC
Date: 2025-10-10
White: Santiago Lastra, Nefi
WhiteElo: 1911
Black: Sifuentes Alcantara, Jhony Sebas
BlackElo: 1934
Result: 1/2-1/2
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.24] [%clk 1:30:46] } 2. Nc3 { [%eval 0.26] [%clk 1:15:40] } 2... a6 { [%eval 0.25] [%clk 1:30:40] } 3. g3 { [%eval 0.18] [%clk 1:16:05] } 3... Nc6 { [%eval 0.25] [%clk 1:30:46] } 4. Bg2 { [%eval 0.0] [%clk 1:16:31] } 4... g6 { [%eval 0.0] [%clk 1:30:46] } 5. Nge2 { [%eval 0.05] [%clk 1:16:53] } 5... Bg7 { [%eval 0.04] [%clk 1:30:56] } 6. O-O { [%eval 0.0] [%clk 1:17:19] } 6... d6 { [%eval 0.02] [%clk 1:29:33] } 7. h3 { [%eval -0.14] [%clk 1:17:34] } 7... e6 { [%eval -0.11] [%clk 1:28:34] } 8. d3 { [%eval 0.0] [%clk 1:16:59] } 8... Nge7 { [%eval 0.0] [%clk 1:26:36] } 9. Bg5 { [%eval -0.24] [%clk 1:17:06] } 9... h6 { [%eval 0.02] [%clk 1:22:36] } 10. Bxe7?! { [%eval -0.61] } { Inaccuracy. Be3 was best. } { [%clk 1:17:24] } 10... Qxe7 { [%eval -0.57] [%clk 1:21:51] } 11. f4 { [%eval -0.63] [%clk 1:17:50] } 11... f5 { [%eval -0.18] [%clk 1:08:52] } 12. Kh2 { [%eval -0.25] [%clk 1:17:21] } 12... O-O { [%eval -0.09] [%clk 1:07:59] } 13. Qd2 { [%eval -0.24] [%clk 1:17:50] } 13... Qc7 { [%eval -0.2] [%clk 1:02:14] } 14. exf5 { [%eval -0.14] [%clk 1:17:14] } 14... gxf5 { [%eval 0.11] [%clk 1:00:24] } 15. Rae1 { [%eval -0.26] [%clk 1:17:38] } 15... Nd4 { [%eval 0.15] [%clk 0:57:07] } 16. Nd1 { [%eval -0.03] [%clk 1:17:14] } 16... Bd7 { [%eval 0.04] [%clk 0:53:22] } 17. c3 { [%eval 0.01] [%clk 1:16:43] } 17... Nxe2 { [%eval 0.02] [%clk 0:53:13] } 18. Rxe2 { [%eval 0.0] [%clk 1:17:11] } 18... Kh7 { [%eval 0.08] [%clk 0:50:00] } 19. Rfe1 { [%eval -0.08] [%clk 1:13:51] } 19... Rae8 { [%eval 0.0] [%clk 0:45:45] } 20. Bf3 { [%eval 0.0] [%clk 1:11:06] } 20... d5 { [%eval -0.07] [%clk 0:40:22] } 21. Ne3 { [%eval -0.16] [%clk 1:10:42] } 21... Kg6 { [%eval 0.29] [%clk 0:32:09] } 22. Ng2 { [%eval 0.37] [%clk 1:10:16] } 22... h5?! { [%eval 1.24] } { Inaccuracy. Bf6 was best. } { [%clk 0:28:05] } 23. Qd1?! { [%eval 0.37] } { Inaccuracy. Nh4+ was best. } { [%clk 1:09:20] } 23... Bf6 { [%eval 0.54] [%clk 0:25:42] } 24. Re5 { [%eval 0.53] [%clk 1:08:08] } 1/2-1/2