Event: Round 5: Koutlas, Nikolaos - Castellanos Rodriguez, Renier
Date: 2025-03-19
White: Koutlas, Nikolaos
WhiteTitle: FM
WhiteElo: 2369
Black: Castellanos Rodriguez, Renier
BlackTitle: GM
BlackElo: 2478
Result: 0-1
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.25] [%clk 1:30:46] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... e6 { [%eval 0.28] [%clk 1:29:25] } 3. d4 { [%eval 0.4] [%clk 1:31:45] } 3... cxd4 { [%eval 0.29] [%clk 1:29:50] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:11] } 4... a6 { [%eval 0.42] [%clk 1:30:13] } 5. Bd3 { [%eval 0.45] [%clk 1:32:36] } 5... Bc5 { [%eval 0.42] [%clk 1:30:35] } 6. Nb3 { [%eval 0.34] [%clk 1:32:57] } 6... Be7 { [%eval 0.58] [%clk 1:30:54] } 7. Qg4 { [%eval 0.49] [%clk 1:29:41] } 7... g6 { [%eval 0.58] [%clk 1:30:55] } 8. Qe2 { [%eval 0.57] [%clk 1:30:03] } 8... d6 { [%eval 0.67] [%clk 1:31:14] } 9. c4 { [%eval 0.56] [%clk 1:29:25] } 9... Nc6 { [%eval 0.48] [%clk 1:26:02] } 10. Nc3 { [%eval 0.56] [%clk 1:29:21] } 10... Ne5 { [%eval 0.52] [%clk 1:24:40] } 11. O-O { [%eval 0.61] [%clk 1:18:27] } 11... Nf6 { [%eval 0.61] [%clk 1:22:01] } 12. Rd1 { [%eval 0.58] [%clk 1:07:13] } 12... Qc7 { [%eval 0.66] [%clk 1:16:57] } 13. Bg5 { [%eval 0.5] [%clk 0:48:26] } 13... b6 { [%eval 0.96] [%clk 1:13:37] } 14. a4?! { [%eval 0.13] } { Inaccuracy. f4 was best. } { [%clk 0:47:39] } 14... O-O { [%eval 0.16] [%clk 1:13:20] } 15. h3 { [%eval 0.09] [%clk 0:47:18] } 15... Re8 { [%eval 0.21] [%clk 1:11:59] } 16. a5 { [%eval 0.31] [%clk 0:44:31] } 16... Rb8 { [%eval 0.18] [%clk 1:10:40] } 17. Rd2 { [%eval -0.17] [%clk 0:37:59] } 17... Nc6 { [%eval 0.16] [%clk 0:59:11] } 18. axb6 { [%eval 0.02] [%clk 0:33:51] } 18... Rxb6 { [%eval 0.05] [%clk 0:59:17] } 19. Nc1 { [%eval 0.08] [%clk 0:33:54] } 19... Ne5 { [%eval 0.0] [%clk 0:58:06] } 20. c5?! { [%eval -0.58] } { Inaccuracy. Bf4 was best. } { [%clk 0:32:09] } 20... dxc5 { [%eval -0.55] [%clk 0:55:34] } 21. Bxa6?? { [%eval -3.1] } { Blunder. f4 was best. } { [%clk 0:30:54] } 21... Qa7 { [%eval -3.12] [%clk 0:42:57] } 22. Nb5 { [%eval -3.02] [%clk 0:24:22] } 22... Qb8?? { [%eval -0.4] } { Blunder. Qxa6 was best. } { [%clk 0:37:48] } 23. Bxc8 { [%eval -0.26] [%clk 0:23:10] } 23... Rxb5 { [%eval -0.33] [%clk 0:37:45] } 24. f4? { [%eval -1.63] } { Mistake. Bf4 was best. } { [%clk 0:13:43] } 24... Rxc8?! { [%eval -0.85] } { Inaccuracy. Nxe4 was best. } { [%clk 0:26:05] } 25. fxe5 { [%eval -0.93] [%clk 0:14:04] } 25... Nd5 { [%eval -0.55] [%clk 0:26:17] } 26. Bh6?! { [%eval -1.61] } { Inaccuracy. Qg4 was best. } { [%clk 0:09:47] } 26... Nb4 { [%eval -1.46] [%clk 0:26:02] } 27. Ra7 { [%eval -1.89] [%clk 0:05:58] } 27... Qxa7 { [%eval -1.9] [%clk 0:24:32] } 28. Qxb5 { [%eval -1.84] [%clk 0:06:23] } 28... Nc6 { [%eval -1.83] [%clk 0:24:10] } 29. Nd3?? { [%eval -4.32] } { Blunder. Kh1 was best. } { [%clk 0:05:09] } 29... Qc7?? { [%eval -1.12] } { Blunder. c4+ was best. } { [%clk 0:22:31] } 30. Bf4 { [%eval -1.68] [%clk 0:04:00] } 30... Rd8 { [%eval -1.49] [%clk 0:15:16] } 31. Nxc5?? { [%eval -4.36] } { Blunder. Be3 was best. } { [%clk 0:02:26] } 31... Rb8 { [%eval -4.42] [%clk 0:13:02] } 32. Qc4 { [%eval -4.49] [%clk 0:01:10] } 32... Na5 { [%eval -4.44] [%clk 0:12:39] } 33. Qa4 { [%eval -4.96] [%clk 0:01:33] } 33... Qxc5+ { [%eval -4.99] [%clk 0:11:34] } 34. Kh2 { [%eval -4.87] [%clk 0:01:57] } 34... Qb5 { [%eval -4.34] [%clk 0:11:14] } 35. Qxb5 { [%eval -4.57] [%clk 0:02:12] } 35... Rxb5 { [%eval -4.36] [%clk 0:11:38] } 36. Rd7 { [%eval -4.87] [%clk 0:02:38] } 36... Rb7 { [%eval -4.81] [%clk 0:11:33] } 37. Rd2 { [%eval -5.22] [%clk 0:02:33] } 37... g5 { [%eval -5.14] [%clk 0:10:58] } 0-1