Event: Round 4: Koster, Ramon - Tikranian, Alik
Date: 2024-09-14
White: Koster, Ramon
WhiteTitle: FM
Black: Tikranian, Alik
BlackTitle: FM
BlackElo: 2284
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Modern Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... Nf6 { [%eval 0.17] [%clk 0:03:03] } 2. c4 { [%eval 0.17] [%clk 0:03:05] } 2... c5 { [%eval 0.56] [%clk 0:03:04] } 3. d5 { [%eval 0.62] [%clk 0:03:06] } 3... b5 { [%eval 0.58] [%clk 0:03:06] } 4. cxb5 { [%eval 0.53] [%clk 0:03:08] } 4... a6 { [%eval 0.66] [%clk 0:03:07] } 5. e3 { [%eval 0.42] [%clk 0:03:09] } 5... d6 { [%eval 0.8] [%clk 0:03:03] } 6. Nc3 { [%eval 0.81] [%clk 0:03:10] } 6... g6 { [%eval 0.78] [%clk 0:03:03] } 7. e4 { [%eval 0.77] [%clk 0:03:10] } 7... Bg7 { [%eval 0.73] [%clk 0:03:00] } 8. a4 { [%eval 0.93] [%clk 0:03:11] } 8... O-O { [%eval 0.87] [%clk 0:02:55] } 9. Nf3 { [%eval 0.87] [%clk 0:03:12] } 9... axb5 { [%eval 0.86] [%clk 0:02:46] } 10. Bxb5 { [%eval 0.8] [%clk 0:03:13] } 10... Ba6 { [%eval 0.87] [%clk 0:02:47] } 11. Nd2 { [%eval 0.74] [%clk 0:03:07] } 11... Bxb5 { [%eval 0.75] [%clk 0:02:33] } 12. Nxb5 { [%eval 0.62] [%clk 0:03:08] } 12... Na6 { [%eval 0.65] [%clk 0:02:34] } 13. O-O { [%eval 0.67] [%clk 0:03:06] } 13... Nb4?! { [%eval 1.25] } { Inaccuracy. Nc7 was best. } { [%clk 0:02:34] } 14. Ra3 { [%eval 1.34] [%clk 0:03:00] } 14... Qd7 { [%eval 1.77] [%clk 0:02:28] } 15. Nc4 { [%eval 1.21] [%clk 0:02:41] } 15... Nxe4 { [%eval 1.09] [%clk 0:01:49] } 16. Nb6 { [%eval 1.07] [%clk 0:02:42] } 16... Qf5?? { [%eval 4.04] } { Blunder. Qb7 was best. } { [%clk 0:01:50] } 17. Nxa8?? { [%eval 1.7] } { Blunder. g4 was best. } { [%clk 0:02:38] } 17... Rxa8 { [%eval 1.62] [%clk 0:01:51] } 18. a5 { [%eval 1.09] [%clk 0:01:30] } 18... Nxd5?? { [%eval 3.44] } { Blunder. Nf6 was best. } { [%clk 0:01:32] } 19. a6? { [%eval 1.88] } { Mistake. g4 was best. } { [%clk 0:01:28] } 19... Nb4?! { [%eval 2.62] } { Inaccuracy. Nef6 was best. } { [%clk 0:01:25] } 20. a7?! { [%eval 1.38] } { Inaccuracy. Nc7 was best. } { [%clk 0:01:16] } 20... Qd7 { [%eval 1.36] [%clk 0:01:25] } 21. Nc3? { [%eval 0.08] } { Mistake. Qe2 was best. } { [%clk 0:00:48] } 21... Nxc3 { [%eval 0.09] [%clk 0:01:09] } 22. bxc3 { [%eval 0.04] [%clk 0:00:49] } 22... Nc6 { [%eval 0.27] [%clk 0:01:10] } 23. Qf3 { [%eval 0.3] [%clk 0:00:37] } 23... Rxa7 { [%eval 0.0] [%clk 0:00:54] } 24. Rxa7 { [%eval 0.0] [%clk 0:00:38] } 24... Nxa7 { [%eval 0.0] [%clk 0:00:55] } 25. Qa8+ { [%eval 0.03] [%clk 0:00:39] } 25... Nc8 { [%eval 0.4] [%clk 0:00:33] } 26. Bd2 { [%eval 0.16] [%clk 0:00:34] } 26... Bf8?? { [%eval 3.58] } { Blunder. h5 was best. } { [%clk 0:00:29] } 27. Rb1 { [%eval 3.37] [%clk 0:00:34] } 27... Kg7?! { [%eval 4.38] } { Inaccuracy. Qf5 was best. } { [%clk 0:00:16] } 28. Rb8 { [%eval 4.34] [%clk 0:00:33] } 28... Qg4 { [%eval 4.35] [%clk 0:00:11] } 29. f3 { [%eval 4.26] [%clk 0:00:18] } 29... Qe6 { [%eval 4.8] [%clk 0:00:07] } 30. Kf2 { [%eval 4.44] [%clk 0:00:06] } 30... Qf5 { [%eval 4.49] [%clk 0:00:00] } 1-0