Event: Biel International Chess Festival - Amateur Tournament
Site: Biel, Switzerland
Date: 2023-07-20
White: Marketos, Richard Matthew
Black: Gallus, Matthias
Result: 1/2-1/2
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard
TimeControl: 90 min / 40 Z?ge + 30 Min / Rest + 30 Sek pro Zug

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.28] [%clk 1:30:57] } 2. c4 { [%eval 0.16] [%clk 1:31:16] } 2... g6 { [%eval 0.3] [%clk 1:31:20] } 3. Nc3 { [%eval 0.31] [%clk 1:31:18] } 3... d5 { [%eval 0.2] [%clk 1:31:40] } 4. cxd5 { [%eval 0.4] [%clk 1:31:20] } 4... Nxd5 { [%eval 0.22] [%clk 1:32:04] } 5. e4 { [%eval 0.23] [%clk 1:31:43] } 5... Nxc3 { [%eval 0.21] [%clk 1:32:30] } 6. bxc3 { [%eval 0.0] [%clk 1:32:08] } 6... Bg7 { [%eval 0.23] [%clk 1:32:54] } 7. Be3 { [%eval 0.0] [%clk 1:31:52] } 7... O-O { [%eval 0.4] [%clk 1:32:46] } 8. Nf3 { [%eval 0.46] [%clk 1:27:15] } 8... c5 { [%eval 0.4] [%clk 1:32:32] } 9. Be2 { [%eval 0.55] [%clk 1:21:42] } 9... Nc6 { [%eval 0.73] [%clk 1:30:20] } 10. O-O { [%eval 0.61] [%clk 1:21:25] } 10... Qa5?! { [%eval 1.19] } { Inaccuracy. b6 was best. } { [%clk 1:27:53] } 11. Qc2? { [%eval -0.03] } { Mistake. d5 was best. } { [%clk 1:18:40] } 11... Rd8? { [%eval 1.21] } { Mistake. cxd4 was best. } { [%clk 1:27:19] } 12. Rad1?! { [%eval 0.39] } { Inaccuracy. d5 was best. } { [%clk 1:12:39] } 12... Bg4 { [%eval 0.92] [%clk 1:24:38] } 13. d5 { [%eval 1.0] [%clk 1:10:05] } 13... Ne5 { [%eval 1.02] [%clk 1:21:00] } 14. Nxe5 { [%eval 1.14] [%clk 1:10:25] } 14... Bxe2 { [%eval 1.05] [%clk 1:21:26] } 15. Qxe2 { [%eval 1.01] [%clk 1:10:33] } 15... Bxe5 { [%eval 0.99] [%clk 1:21:45] } 16. c4 { [%eval 1.02] [%clk 1:10:47] } 16... a6 { [%eval 1.34] [%clk 1:19:15] } 17. f4 { [%eval 1.14] [%clk 1:10:11] } 17... Bg7?! { [%eval 1.83] } { Inaccuracy. Bd4 was best. } { [%clk 1:17:58] } 18. e5 { [%eval 1.88] [%clk 1:05:40] } 18... Rac8 { [%eval 1.87] [%clk 1:17:30] } 19. a4? { [%eval 0.23] } { Mistake. Bf2 was best. } { [%clk 0:54:31] } 19... Qxa4 { [%eval 0.25] [%clk 1:15:12] } 20. Ra1 { [%eval 0.17] [%clk 0:54:51] } 20... Qd7 { [%eval 0.17] [%clk 1:15:27] } 21. Rfb1 { [%eval -0.02] [%clk 0:54:39] } 21... b5 { [%eval -0.03] [%clk 1:13:48] } 22. cxb5 { [%eval -0.26] [%clk 0:40:33] } 22... axb5 { [%eval -0.22] [%clk 1:13:11] } 23. Qxb5?! { [%eval -1.32] } { Inaccuracy. Rxb5 was best. } 23... Qxb5 24. Rxb5 Rxd5 25. Rc1 e6 1/2-1/2