Event: Round 4: Marz, Peter - Guzman Contreras, Jhoan Sebastian
Date: 2025-04-27
White: Marz, Peter
WhiteElo: 1638
Black: Guzman Contreras, Jhoan Sebastian
BlackElo: 1651
Result: 1-0
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Stoltz Attack
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:17] } 1... c5 { [%eval 0.25] [%clk 0:14:57] } 2. c3 { [%eval 0.0] [%clk 0:15:25] } 2... Nf6 { [%eval 0.02] [%clk 0:14:54] } 3. e5 { [%eval 0.07] [%clk 0:15:34] } 3... Nd5 { [%eval 0.1] [%clk 0:14:49] } 4. Nf3 { [%eval 0.03] [%clk 0:15:41] } 4... Nc6 { [%eval 0.11] [%clk 0:14:55] } 5. Bc4 { [%eval 0.15] [%clk 0:15:48] } 5... Nb6 { [%eval 0.23] [%clk 0:14:54] } 6. Bb3 { [%eval 0.01] [%clk 0:15:56] } 6... g6?! { [%eval 0.56] } { Inaccuracy. d6 was best. } { [%clk 0:14:51] } 7. d4 { [%eval 0.53] [%clk 0:15:53] } 7... cxd4 { [%eval 0.7] [%clk 0:14:52] } 8. cxd4 { [%eval 0.61] [%clk 0:15:58] } 8... Bg7 { [%eval 0.46] [%clk 0:14:44] } 9. O-O { [%eval 0.0] [%clk 0:15:50] } 9... d6 { [%eval 0.01] [%clk 0:14:42] } 10. exd6 { [%eval -0.1] [%clk 0:13:29] } 10... Qxd6 { [%eval -0.01] [%clk 0:14:46] } 11. Be3 { [%eval -0.35] [%clk 0:13:17] } 11... O-O { [%eval -0.36] [%clk 0:14:37] } 12. h3 { [%eval -0.49] [%clk 0:13:13] } 12... Rd8 { [%eval -0.36] [%clk 0:13:40] } 13. Ng5 { [%eval -0.44] [%clk 0:11:06] } 13... e6 { [%eval -0.52] [%clk 0:12:22] } 14. Ne4 { [%eval -0.49] [%clk 0:10:19] } 14... Qe7 { [%eval -0.46] [%clk 0:12:05] } 15. Bg5 { [%eval -0.29] [%clk 0:08:56] } 15... f6 { [%eval -0.33] [%clk 0:11:58] } 16. Be3 { [%eval -0.34] [%clk 0:08:45] } 16... Kh8 { [%eval 0.11] [%clk 0:11:05] } 17. Nbc3 { [%eval 0.08] [%clk 0:08:50] } 17... e5? { [%eval 1.56] } { Mistake. h6 was best. } { [%clk 0:11:06] } 18. d5 { [%eval 1.59] [%clk 0:08:18] } 18... Bf5? { [%eval 3.29] } { Mistake. Na5 was best. } { [%clk 0:08:33] } 19. Bc5 { [%eval 3.28] [%clk 0:07:45] } 19... Qc7 { [%eval 4.07] [%clk 0:06:04] } 20. d6?? { [%eval 1.1] } { Blunder. Nb5 was best. } { [%clk 0:06:31] } 20... Qc8?! { [%eval 1.81] } { Inaccuracy. Qd7 was best. } { [%clk 0:05:06] } 21. Qd2?! { [%eval 0.83] } { Inaccuracy. a4 was best. } { [%clk 0:06:22] } 21... Bxe4?? { [%eval 2.69] } { Blunder. Na5 was best. } { [%clk 0:04:15] } 22. Nxe4 { [%eval 2.7] [%clk 0:06:23] } 22... f5?! { [%eval 3.57] } { Inaccuracy. Qf5 was best. } { [%clk 0:04:24] } 23. Ng5 { [%eval 3.56] [%clk 0:05:44] } 23... Na5? { [%eval 7.13] } { Mistake. Rf8 was best. } { [%clk 0:02:36] } 24. Qxa5 { [%eval 6.3] [%clk 0:05:07] } 24... Rd7 { [%eval 6.38] [%clk 0:01:12] } 25. Nf7+ { [%eval 6.24] [%clk 0:05:02] } 25... Rxf7 { [%eval 6.02] [%clk 0:01:20] } 26. Bxf7 { [%eval 6.22] [%clk 0:05:09] } 26... Nd7 { [%eval 6.34] [%clk 0:01:03] } 27. Ba3 { [%eval 6.1] [%clk 0:04:31] } 1-0