Event: Biel Chess Festival BTZ
Site: Biel, Switzerland
Date: 2024-07-21
White: Bucher, Denis
WhiteTitle: FM
WhiteElo: 2255
Black: Matsumura, Cocoro
BlackElo: 2073
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 3' + 2''/mv from move 1

1. e4 { [%eval 0.15] [%clk 0:03:03] } 1... c5 { [%eval 0.25] [%clk 0:03:04] } 2. Nf3 { [%eval 0.22] [%clk 0:03:04] } 2... d6 { [%eval 0.26] [%clk 0:03:06] } 3. d4 { [%eval 0.26] [%clk 0:03:06] } 3... cxd4 { [%eval 0.28] [%clk 0:03:07] } 4. Nxd4 { [%eval 0.18] [%clk 0:03:07] } 4... Nf6 { [%eval 0.24] [%clk 0:03:08] } 5. Nc3 { [%eval 0.32] [%clk 0:03:08] } 5... a6 { [%eval 0.28] [%clk 0:03:09] } 6. Be3 { [%eval 0.19] [%clk 0:03:09] } 6... e5 { [%eval 0.2] [%clk 0:03:10] } 7. Nb3 { [%eval 0.3] [%clk 0:03:10] } 7... Be7 { [%eval 0.39] [%clk 0:03:11] } 8. h3 { [%eval 0.44] [%clk 0:03:11] } 8... h5 { [%eval 0.56] [%clk 0:03:04] } 9. Qd3 { [%eval 0.51] [%clk 0:03:11] } 9... Be6 { [%eval 0.42] [%clk 0:02:40] } 10. Nd5 { [%eval 0.23] [%clk 0:03:12] } 10... Bxd5 { [%eval 0.28] [%clk 0:02:30] } 11. exd5 { [%eval 0.23] [%clk 0:03:12] } 11... Nbd7 { [%eval 0.25] [%clk 0:02:31] } 12. Be2 { [%eval 0.29] [%clk 0:03:13] } 12... b5 { [%eval 0.61] [%clk 0:02:30] } 13. a4 { [%eval 0.63] [%clk 0:03:13] } 13... b4?! { [%eval 1.45] } { Inaccuracy. O-O was best. } { [%clk 0:02:20] } 14. a5 { [%eval 1.19] [%clk 0:03:13] } 14... O-O { [%eval 1.6] [%clk 0:02:15] } 15. O-O? { [%eval 0.42] } { Mistake. g4 was best. } { [%clk 0:03:14] } 15... Qc7 { [%eval 0.37] [%clk 0:02:09] } 16. Ra4 { [%eval 0.46] [%clk 0:03:04] } 16... Rfc8?! { [%eval 1.57] } { Inaccuracy. Qb7 was best. } { [%clk 0:02:03] } 17. Rc1? { [%eval 0.01] } { Mistake. Rxb4 was best. } { [%clk 0:02:56] } 17... Qb7 { [%eval 0.16] [%clk 0:01:53] } 18. Rd1 { [%eval 0.19] [%clk 0:02:44] } 18... e4 { [%eval 0.62] [%clk 0:01:37] } 19. Qd2 { [%eval 0.58] [%clk 0:02:38] } 19... Rab8 { [%eval 0.6] [%clk 0:01:31] } 20. Nd4?! { [%eval 0.05] } { Inaccuracy. Bb6 was best. } { [%clk 0:01:45] } 20... Nc5 { [%eval 0.09] [%clk 0:01:32] } 21. Raa1 { [%eval 0.05] [%clk 0:01:42] } 21... Qxd5 { [%eval 0.16] [%clk 0:01:30] } 22. Nb3 { [%eval 0.0] [%clk 0:01:29] } 22... Nxb3 { [%eval 0.0] [%clk 0:01:25] } 23. cxb3 { [%eval 0.01] [%clk 0:01:28] } 23... Qxb3? { [%eval 1.63] } { Mistake. Qb7 was best. } { [%clk 0:01:20] } 24. Bxa6 { [%eval 1.67] [%clk 0:01:26] } 24... Rc2 { [%eval 1.71] [%clk 0:01:19] } 25. Qd4 { [%eval 1.74] [%clk 0:01:18] } 25... Qxb2 { [%eval 2.01] [%clk 0:01:12] } 26. Qa7 { [%eval 1.79] [%clk 0:01:16] } 26... Rf8?? { [%eval 4.5] } { Blunder. Rd8 was best. } { [%clk 0:01:10] } 27. Qxe7 { [%eval 4.24] [%clk 0:01:14] } 27... b3 { [%eval 4.88] [%clk 0:01:02] } 28. Bd4 { [%eval 4.86] [%clk 0:01:11] } 28... Re8 { [%eval 5.12] [%clk 0:00:33] } 1-0