Event: Nuorten SM 2025, U20
Site: Valkeakoski, Finland
Date: 2025-06-08
White: Vainikka, Toni
WhiteElo: 2072
Black: Irjala, Arttu
BlackElo: 1918
Result: 1-0
ECO: D15
Opening: Slav Defense: Chebanenko Variation
Variant: Standard
TimeControl: 90' / 40 moves + 30' + 30 sec / move

1. d4 { [%eval 0.17] [%clk 0:15:09] } 1... d5 { [%eval 0.2] [%clk 0:15:10] } 2. Nf3 { [%eval 0.08] [%clk 0:15:13] } 2... Nf6 { [%eval 0.11] [%clk 0:15:14] } 3. c4 { [%eval 0.22] [%clk 0:15:15] } 3... c6 { [%eval 0.24] [%clk 0:15:19] } 4. Nc3 { [%eval 0.16] [%clk 0:15:11] } 4... a6 { [%eval 0.19] [%clk 0:15:23] } 5. e3 { [%eval 0.19] [%clk 0:15:05] } 5... b5 { [%eval 0.42] [%clk 0:15:26] } 6. c5 { [%eval 0.42] [%clk 0:15:04] } 6... g6 { [%eval 0.42] [%clk 0:15:20] } 7. a3 { [%eval 0.25] [%clk 0:15:02] } 7... Bg7 { [%eval 0.22] [%clk 0:15:13] } 8. b4 { [%eval 0.13] [%clk 0:15:03] } 8... O-O?! { [%eval 0.69] } { Inaccuracy. a5 was best. } { [%clk 0:14:45] } 9. Bb2 { [%eval 0.26] [%clk 0:15:07] } 9... Bg4 { [%eval 0.22] [%clk 0:14:44] } 10. Be2 { [%eval 0.1] [%clk 0:15:06] } 10... Nbd7 { [%eval 0.21] [%clk 0:14:27] } 11. Ne5 { [%eval -0.1] [%clk 0:14:23] } 11... Nxe5 { [%eval -0.09] [%clk 0:14:07] } 12. dxe5 { [%eval -0.05] [%clk 0:14:27] } 12... Bxe2 { [%eval -0.14] [%clk 0:14:06] } 13. Nxe2? { [%eval -1.57] } { Mistake. Qxe2 was best. } { [%clk 0:14:31] } 13... Nd7?? { [%eval 1.2] } { Blunder. Ng4 was best. } { [%clk 0:13:26] } 14. f4 { [%eval 1.25] [%clk 0:14:27] } 14... a5 { [%eval 1.33] [%clk 0:13:26] } 15. Nd4 { [%eval 1.51] [%clk 0:14:25] } 15... Qc8 { [%eval 1.36] [%clk 0:12:42] } 16. O-O { [%eval 1.34] [%clk 0:14:01] } 16... Re8 { [%eval 1.24] [%clk 0:11:51] } 17. Qf3 { [%eval 1.27] [%clk 0:13:45] } 17... Ra6 { [%eval 1.62] [%clk 0:10:47] } 18. e4 { [%eval 1.42] [%clk 0:12:13] } 18... dxe4 { [%eval 1.43] [%clk 0:10:19] } 19. Qxe4 { [%eval 1.37] [%clk 0:12:15] } 19... f5?! { [%eval 2.43] } { Inaccuracy. e6 was best. } { [%clk 0:10:20] } 20. Qc2 { [%eval 2.33] [%clk 0:11:56] } 20... e6 { [%eval 2.03] [%clk 0:09:30] } 21. Qb3 { [%eval 2.13] [%clk 0:10:58] } 21... Nf8 { [%eval 2.16] [%clk 0:08:57] } 22. a4 { [%eval 2.12] [%clk 0:09:37] } 22... axb4?! { [%eval 3.0] } { Inaccuracy. bxa4 was best. } { [%clk 0:08:28] } 23. axb5 { [%eval 3.24] [%clk 0:09:39] } 23... Rxa1 { [%eval 3.21] [%clk 0:08:12] } 24. Rxa1 { [%eval 3.22] [%clk 0:09:42] } 24... cxb5 { [%eval 2.96] [%clk 0:08:08] } 25. Qxb4 { [%eval 2.34] [%clk 0:09:46] } 25... Nd7? { [%eval 3.95] } { Mistake. Bh6 was best. } { [%clk 0:07:02] } 26. c6 { [%eval 4.07] [%clk 0:09:38] } 26... Nb6 { [%eval 4.73] [%clk 0:06:57] } 27. Qxb5 { [%eval 5.16] [%clk 0:09:39] } 27... Nd5 { [%eval 5.04] [%clk 0:07:00] } 28. Qb7 { [%eval 5.23] [%clk 0:08:46] } 28... Nxf4 { [%eval 6.46] [%clk 0:06:35] } 29. Ra7 { [%eval 6.48] [%clk 0:08:45] } 29... Qxb7 { [%eval 6.61] [%clk 0:06:15] } 30. cxb7 { [%eval 6.84] [%clk 0:08:48] } 30... Bxe5 { [%eval 6.7] [%clk 0:05:55] } 31. Ra8 { [%eval 6.82] [%clk 0:08:47] } 31... Kf7 { [%eval 6.87] [%clk 0:03:47] } 32. Nc6 { [%eval 6.43] [%clk 0:08:27] } 32... Bd6 { [%eval 7.52] [%clk 0:02:48] } 33. Be5 { [%eval 6.76] [%clk 0:08:10] } 33... Bc5+ { [%eval 8.99] [%clk 0:01:18] } 34. Kf1 { [%eval 8.74] [%clk 0:08:08] } 34... Rd8? { [%eval #5] } { Checkmate is now unavoidable. Bd4 was best. } { [%clk 0:00:32] } 35. Nxd8+ { [%eval #4] [%clk 0:08:02] } 1-0