Event: Round 4: Heino, Pessi - Koykka, Pekka
Date: 2025-07-15
White: Heino, Pessi
WhiteElo: 2151
Black: Koykka, Pekka
BlackTitle: IM
BlackElo: 2359
Result: 1-0
ECO: B00
Opening: Nimzowitsch Defense: Williams Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... Nc6 { [%eval 0.42] [%clk 1:30:50] } 2. Nf3 { [%eval 0.21] [%clk 1:31:10] } 2... d6 { [%eval 0.64] [%clk 1:30:52] } 3. d4 { [%eval 0.48] [%clk 1:30:54] } 3... Nf6 { [%eval 0.59] [%clk 1:31:00] } 4. d5 { [%eval 0.37] [%clk 1:29:29] } 4... Nb8 { [%eval 0.66] [%clk 1:31:15] } 5. Nc3 { [%eval 0.49] [%clk 1:29:25] } 5... g6 { [%eval 0.48] [%clk 1:28:55] } 6. Be3 { [%eval 0.47] [%clk 1:19:39] } 6... Bg4?! { [%eval 1.03] } { Inaccuracy. Bg7 was best. } { [%clk 1:25:51] } 7. h3 { [%eval 0.62] [%clk 1:19:03] } 7... Bxf3 { [%eval 0.72] [%clk 1:26:12] } 8. Qxf3 { [%eval 1.13] [%clk 1:19:32] } 8... Bg7 { [%eval 0.99] [%clk 1:25:40] } 9. g4 { [%eval 1.12] [%clk 1:16:01] } 9... c5?! { [%eval 1.85] } { Inaccuracy. Nbd7 was best. } { [%clk 1:19:25] } 10. e5 { [%eval 1.83] [%clk 1:09:53] } 10... dxe5 { [%eval 1.8] [%clk 1:19:27] } 11. O-O-O { [%eval 1.76] [%clk 1:09:22] } 11... O-O?! { [%eval 2.45] } { Inaccuracy. Nbd7 was best. } { [%clk 1:01:39] } 12. Bxc5?! { [%eval 1.45] } { Inaccuracy. h4 was best. } { [%clk 0:44:08] } 12... Nbd7 { [%eval 1.33] [%clk 0:56:58] } 13. Ba3 { [%eval 1.63] [%clk 0:43:47] } 13... Rb8 { [%eval 1.58] [%clk 0:55:50] } 14. g5 { [%eval 1.56] [%clk 0:34:55] } 14... Nh5 { [%eval 1.66] [%clk 0:54:40] } 15. Bb5 { [%eval 1.74] [%clk 0:32:14] } 15... a6 { [%eval 1.64] [%clk 0:53:33] } 16. d6 { [%eval 1.61] [%clk 0:31:53] } 16... e6 { [%eval 1.46] [%clk 0:53:50] } 17. Bxd7 { [%eval 1.64] [%clk 0:32:17] } 17... Qxd7 { [%eval 1.59] [%clk 0:54:00] } 18. Ne4 { [%eval 1.7] [%clk 0:32:31] } 18... b5?! { [%eval 2.39] } { Inaccuracy. b6 was best. } { [%clk 0:51:12] } 19. Bb4 { [%eval 2.43] [%clk 0:27:08] } 19... Qb7?! { [%eval 3.75] } { Inaccuracy. a5 was best. } { [%clk 0:35:40] } 20. d7 { [%eval 3.75] [%clk 0:24:53] } 20... Rfd8 { [%eval 3.88] [%clk 0:33:15] } 21. Bd6 { [%eval 3.66] [%clk 0:25:13] } 21... Rxd7?! { [%eval 5.28] } { Inaccuracy. b4 was best. } { [%clk 0:27:39] } 22. Bxb8 { [%eval 5.16] [%clk 0:25:36] } 22... Rxd1+ { [%eval 5.11] [%clk 0:28:06] } 23. Rxd1 { [%eval 5.23] [%clk 0:25:59] } 23... Qxb8 { [%eval 5.23] [%clk 0:28:33] } 24. Rd7 { [%eval 5.22] [%clk 0:23:32] } 24... Nf4 { [%eval 5.27] [%clk 0:26:01] } 25. Nd6 { [%eval 5.1] [%clk 0:17:26] } 1-0