Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Kubanyi, Robert
WhiteElo: 1711
Black: Leonov, Leonid
BlackElo: 1894
Result: 0-1
ECO: B87
Opening: Sicilian Defense: Sozin Attack, Flank Variation
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:09] } 1... c5 { [%eval 0.25] [%clk 0:15:09] } 2. Nf3 { [%eval 0.2] [%clk 0:15:12] } 2... d6 { [%eval 0.31] [%clk 0:15:13] } 3. d4 { [%eval 0.22] [%clk 0:15:16] } 3... cxd4 { [%eval 0.19] [%clk 0:15:16] } 4. Nxd4 { [%eval 0.18] [%clk 0:15:20] } 4... Nf6 { [%eval 0.31] [%clk 0:15:19] } 5. Nc3 { [%eval 0.32] [%clk 0:15:24] } 5... a6 { [%eval 0.28] [%clk 0:15:23] } 6. Bc4 { [%eval 0.03] [%clk 0:15:27] } 6... e6 { [%eval 0.06] [%clk 0:15:27] } 7. Bb3 { [%eval 0.0] [%clk 0:15:31] } 7... b5 { [%eval 0.0] [%clk 0:15:31] } 8. O-O { [%eval -0.15] [%clk 0:15:34] } 8... Be7 { [%eval -0.03] [%clk 0:15:34] } 9. f4 { [%eval -0.21] [%clk 0:15:20] } 9... b4?! { [%eval 0.57] } { Inaccuracy. O-O was best. } { [%clk 0:14:33] } 10. e5?! { [%eval -0.1] } { Inaccuracy. Na4 was best. } { [%clk 0:15:10] } 10... bxc3 { [%eval -0.08] [%clk 0:14:03] } 11. exf6 { [%eval -0.13] [%clk 0:15:13] } 11... Bxf6 { [%eval -0.14] [%clk 0:14:05] } 12. bxc3 { [%eval -0.1] [%clk 0:15:11] } 12... Qc7 { [%eval -0.15] [%clk 0:13:53] } 13. Bb2? { [%eval -1.3] } { Mistake. Rb1 was best. } { [%clk 0:14:57] } 13... O-O { [%eval -1.21] [%clk 0:13:13] } 14. Rf3 { [%eval -1.75] [%clk 0:14:31] } 14... Bb7?! { [%eval -1.06] } { Inaccuracy. Nd7 was best. } { [%clk 0:11:14] } 15. Rh3 { [%eval -1.23] [%clk 0:14:28] } 15... d5?? { [%eval 0.51] } { Blunder. Nc6 was best. } { [%clk 0:11:08] } 16. Qh5 { [%eval 0.61] [%clk 0:14:09] } 16... h6 { [%eval 0.8] [%clk 0:11:10] } 17. Rf1? { [%eval -0.44] } { Mistake. f5 was best. } { [%clk 0:14:12] } 17... Nd7 { [%eval -0.1] [%clk 0:10:52] } 18. g4? { [%eval -1.36] } { Mistake. Rg3 was best. } { [%clk 0:13:46] } 18... e5? { [%eval -0.1] } { Mistake. a5 was best. } { [%clk 0:08:42] } 19. g5? { [%eval -1.77] } { Mistake. fxe5 was best. } { [%clk 0:13:34] } 19... exd4 { [%eval -1.79] [%clk 0:08:26] } 20. gxf6 { [%eval -2.26] [%clk 0:13:31] } 20... Nxf6 { [%eval -2.21] [%clk 0:08:22] } 21. Qf3?! { [%eval -3.51] } { Inaccuracy. Qe5 was best. } { [%clk 0:13:25] } 21... dxc3?? { [%eval -0.58] } { Blunder. Rfe8 was best. } { [%clk 0:08:14] } 22. Qxc3 { [%eval -0.62] [%clk 0:13:00] } 22... Qxc3 { [%eval -0.34] [%clk 0:07:50] } 23. Bxc3?! { [%eval -0.98] } { Inaccuracy. Rxc3 was best. } { [%clk 0:13:04] } 23... Ne4 { [%eval -0.9] [%clk 0:07:47] } 24. Rd1 { [%eval -0.9] [%clk 0:12:38] } 24... Rac8 { [%eval -0.75] [%clk 0:07:38] } 25. Bb4 { [%eval -0.97] [%clk 0:12:31] } 25... Rfd8 { [%eval -0.71] [%clk 0:07:33] } 26. Ba5? { [%eval -2.33] } { Mistake. Re3 was best. } { [%clk 0:11:49] } 26... Rd6 { [%eval -2.01] [%clk 0:07:26] } 27. f5?! { [%eval -2.95] } { Inaccuracy. Rd4 was best. } { [%clk 0:11:45] } 27... d4 { [%eval -3.01] [%clk 0:06:26] } 28. Bb4 { [%eval -3.41] [%clk 0:11:09] } 28... Rf6 { [%eval -3.2] [%clk 0:06:18] } 29. Rxd4?! { [%eval -4.24] } { Inaccuracy. Rf1 was best. } { [%clk 0:10:55] } 29... Ng5 { [%eval -4.17] [%clk 0:06:22] } 30. Rg3 { [%eval -4.3] [%clk 0:10:31] } 30... Nf3+ { [%eval -4.23] [%clk 0:06:16] } 31. Rxf3 { [%eval -4.11] [%clk 0:10:27] } 31... Bxf3 { [%eval -4.23] [%clk 0:06:19] } 32. Rd7 { [%eval -4.69] [%clk 0:10:20] } 32... Rxf5 { [%eval -4.79] [%clk 0:06:00] } 33. Ra7 { [%eval -5.04] [%clk 0:10:14] } 33... Be2 { [%eval -4.93] [%clk 0:05:39] } 34. a3 { [%eval -5.13] [%clk 0:09:51] } 34... Rc6 { [%eval -5.18] [%clk 0:05:16] } 35. c3 { [%clk 0:09:22] } 35... Rg6+ { [%clk 0:05:18] } 0-1