Event: Round 2: Classen, Marnin - Sason, Noam
Date: 2025-04-13
White: Classen, Marnin
WhiteElo: 1724
Black: Sason, Noam
BlackElo: 1967
Result: 0-1
ECO: B78
Opening: Sicilian Defense: Dragon Variation, Yugoslav Attack
Variant: Standard
TimeControl: 15+5

1. e4 { [%eval 0.18] [%clk 0:15:09] } 1... c5 { [%eval 0.25] [%clk 0:15:10] } 2. Nf3 { [%eval 0.2] [%clk 0:15:13] } 2... d6 { [%eval 0.31] [%clk 0:15:14] } 3. d4 { [%eval 0.22] [%clk 0:15:17] } 3... cxd4 { [%eval 0.19] [%clk 0:15:18] } 4. Nxd4 { [%eval 0.18] [%clk 0:15:20] } 4... Nf6 { [%eval 0.25] [%clk 0:15:23] } 5. Nc3 { [%eval 0.32] [%clk 0:15:23] } 5... g6 { [%eval 0.59] [%clk 0:15:27] } 6. f3 { [%eval 0.44] [%clk 0:15:23] } 6... Bg7 { [%eval 0.54] [%clk 0:15:32] } 7. Be3 { [%eval 0.44] [%clk 0:15:27] } 7... Nc6 { [%eval 0.46] [%clk 0:15:36] } 8. Qd2 { [%eval 0.64] [%clk 0:15:29] } 8... O-O { [%eval 0.64] [%clk 0:15:39] } 9. Bc4 { [%eval 0.5] [%clk 0:15:30] } 9... Bd7 { [%eval 0.59] [%clk 0:15:43] } 10. O-O-O { [%eval 0.77] [%clk 0:15:33] } 10... Rb8 { [%eval 0.66] [%clk 0:15:48] } 11. h4 { [%eval 0.52] [%clk 0:15:14] } 11... Na5?! { [%eval 1.13] } { Inaccuracy. Nxd4 was best. } { [%clk 0:15:43] } 12. Bb3 { [%eval 0.74] [%clk 0:15:14] } 12... b5 { [%eval 0.58] [%clk 0:15:46] } 13. g4?! { [%eval -0.21] } { Inaccuracy. Kb1 was best. } { [%clk 0:15:05] } 13... Nc4?! { [%eval 0.37] } { Inaccuracy. e5 was best. } { [%clk 0:15:47] } 14. Bxc4 { [%eval 0.5] [%clk 0:15:08] } 14... bxc4 { [%eval 0.66] [%clk 0:15:51] } 15. h5?! { [%eval 0.0] } { Inaccuracy. Kb1 was best. } { [%clk 0:15:02] } 15... Qb6 { [%eval -0.04] [%clk 0:15:36] } 16. b3 { [%eval -0.03] [%clk 0:14:21] } 16... cxb3?! { [%eval 0.63] } { Inaccuracy. Qa5 was best. } { [%clk 0:15:37] } 17. cxb3?! { [%eval 0.01] } { Inaccuracy. axb3 was best. } { [%clk 0:14:14] } 17... Qb4 { [%eval 0.32] [%clk 0:14:27] } 18. Kb2 { [%eval 0.06] [%clk 0:13:57] } 18... Rfc8 { [%eval 0.19] [%clk 0:14:18] } 19. hxg6 { [%eval 0.01] [%clk 0:13:56] } 19... fxg6 { [%eval 0.15] [%clk 0:14:13] } 20. Rc1?! { [%eval -0.87] } { Inaccuracy. g5 was best. } { [%clk 0:13:42] } 20... a5 { [%eval -0.88] [%clk 0:13:26] } 21. Nc2?? { [%eval -3.05] } { Blunder. Nce2 was best. } { [%clk 0:12:08] } 21... Qb7 { [%eval -2.44] [%clk 0:09:47] } 22. Nd4 { [%eval -2.44] [%clk 0:11:25] } 22... a4 { [%eval -2.49] [%clk 0:09:28] } 23. Bh6 { [%eval -2.99] [%clk 0:10:11] } 23... axb3 { [%eval -2.87] [%clk 0:08:52] } 24. Nxb3? { [%eval -4.77] } { Mistake. a3 was best. } { [%clk 0:10:08] } 24... Bh8 { [%eval -4.59] [%clk 0:08:30] } 25. Be3 { [%eval -4.94] [%clk 0:09:44] } 25... Be6 { [%eval -5.2] [%clk 0:08:01] } 26. Qd1 { [%eval -5.43] [%clk 0:09:37] } 26... Qb4 { [%eval -4.54] [%clk 0:07:13] } 27. Bd4 { [%eval -4.52] [%clk 0:09:01] } 27... Rc4 { [%eval -4.45] [%clk 0:07:08] } 28. Ne2 { [%eval -5.56] [%clk 0:08:14] } 28... Rxd4 { [%eval -5.5] [%clk 0:05:40] } 29. Nxd4 { [%eval -5.63] [%clk 0:07:33] } 29... Nd7 { [%eval -5.79] [%clk 0:05:30] } 30. Kc2 { [%eval -6.93] [%clk 0:06:12] } 30... Bxb3+ { [%eval -6.78] [%clk 0:05:20] } 31. Nxb3?? { [%eval #-2] } { Checkmate is now unavoidable. axb3 was best. } { [%clk 0:06:12] } 31... Qc3+ { [%eval #-1] [%clk 0:05:24] } 32. Kb1 { [%clk 0:06:09] } 32... Qb2# { [%clk 0:05:28] } 0-1