Event: Biel Chess Festival 2025
Date: 2025-07-23
White: Kulikov, Mikhail L
WhiteElo: 1907
Black: Heitmann, Erik
BlackElo: 1821
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:09:24] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. Nf3 { [%eval 0.2] [%clk 1:08:15] } 2... d6 { [%eval 0.31] [%clk 1:31:19] } 3. d4 { [%eval 0.22] [%clk 1:08:42] } 3... cxd4 { [%eval 0.19] [%clk 1:31:46] } 4. Nxd4 { [%eval 0.18] [%clk 1:09:09] } 4... Nf6 { [%eval 0.31] [%clk 1:32:11] } 5. Nc3 { [%eval 0.32] [%clk 1:09:36] } 5... a6 { [%eval 0.28] [%clk 1:32:38] } 6. h3 { [%eval 0.16] [%clk 1:10:02] } 6... e6 { [%eval 0.12] [%clk 1:32:32] } 7. Be3 { [%eval -0.26] [%clk 1:10:19] } 7... Be7 { [%eval 0.2] [%clk 1:32:29] } 8. Qf3 { [%eval 0.31] [%clk 1:10:39] } 8... Nbd7 { [%eval 0.8] [%clk 1:30:29] } 9. g4 { [%eval 0.81] [%clk 1:10:28] } 9... Ne5 { [%eval 1.18] [%clk 1:28:47] } 10. Qg2 { [%eval 1.25] [%clk 1:10:51] } 10... Qc7 { [%eval 1.29] [%clk 1:25:24] } 11. g5 { [%eval 1.18] [%clk 1:09:33] } 11... Nfd7 { [%eval 1.28] [%clk 1:23:38] } 12. f4 { [%eval 1.17] [%clk 1:09:00] } 12... Nc4 { [%eval 1.38] [%clk 1:23:04] } 13. Bxc4 { [%eval 1.38] [%clk 1:08:40] } 13... Qxc4 { [%eval 1.32] [%clk 1:23:27] } 14. O-O-O { [%eval 1.18] [%clk 1:07:09] } 14... b5 { [%eval 1.13] [%clk 1:18:05] } 15. e5 { [%eval 0.96] [%clk 1:02:10] } 15... d5?! { [%eval 1.59] } { Inaccuracy. Rb8 was best. } { [%clk 1:17:56] } 16. Kb1 { [%eval 1.86] [%clk 1:00:40] } 16... g6 { [%eval 2.02] [%clk 1:03:52] } 17. h4 { [%eval 2.43] [%clk 0:59:22] } 17... Bb7 { [%eval 2.42] [%clk 0:57:10] } 18. h5 { [%eval 2.37] [%clk 0:59:04] } 18... O-O-O { [%eval 1.81] [%clk 0:56:35] } 19. Qh3 { [%eval 1.58] [%clk 0:31:14] } 19... Nc5?? { [%eval 4.21] } { Blunder. Rhf8 was best. } { [%clk 0:45:43] } 20. Ndxb5? { [%eval 2.5] } { Mistake. hxg6 was best. } { [%clk 0:31:14] } 20... d4? { [%eval 4.41] } { Mistake. axb5 was best. } { [%clk 0:42:01] } 21. Nxd4?! { [%eval 2.82] } { Inaccuracy. Nd6+ was best. } { [%clk 0:30:53] } 21... Bxh1?! { [%eval 3.84] } { Inaccuracy. Rhe8 was best. } { [%clk 0:39:03] } 22. Qxh1 { [%eval 3.7] [%clk 0:31:08] } 22... Nb7?! { [%eval 4.76] } { Inaccuracy. Qb4 was best. } { [%clk 0:34:03] } 23. Rd3 { [%eval 4.53] [%clk 0:26:27] } 23... Rd7?! { [%eval 6.05] } { Inaccuracy. h6 was best. } { [%clk 0:17:52] } 24. hxg6 { [%eval 6.02] [%clk 0:25:06] } 24... fxg6 { [%eval 6.38] [%clk 0:17:37] } 25. b3 { [%eval 6.35] [%clk 0:24:42] } 25... Qb4 { [%eval 6.13] [%clk 0:14:51] } 26. Nc6 { [%eval 5.85] [%clk 0:15:13] } 26... Rxd3 { [%eval 6.07] [%clk 0:01:40] } 27. Nxb4 { [%eval 6.03] [%clk 0:15:34] } 27... Rxc3 { [%eval 6.12] [%clk 0:01:07] } 28. Bd4 { [%eval 5.86] [%clk 0:14:51] } 28... a5 { [%eval 6.96] [%clk 0:00:36] } 29. Na6 { [%eval 6.59] [%clk 0:14:54] } 29... Rc7 { [%eval 6.28] [%clk 0:00:33] } 30. Nxc7 { [%eval 6.53] [%clk 0:14:24] } 30... Kxc7 { [%eval 6.36] [%clk 0:01:02] } 31. Qh6 { [%clk 0:11:51] } 31... Bf8 { [%clk 0:00:21] } 32. Qh3 { [%clk 0:12:09] } 32... Nc5 { [%clk 0:00:32] } 33. Qc3 { [%clk 0:12:04] } 33... Kb6 { [%clk 0:00:43] } 34. a3 { [%clk 0:12:15] } 34... Kb5 { [%clk 0:00:31] } 35. Qc4+ { [%clk 0:12:33] } 35... Kc6 { [%clk 0:00:44] } 36. b4 { [%clk 0:12:53] } 36... Be7 { [%clk 0:01:06] } 37. Bxc5 { [%clk 0:13:13] } 1-0