Event: Round 7: Grooten, Herman - Koster, Ramon
Date: 2024-09-14
White: Grooten, Herman
WhiteTitle: IM
WhiteElo: 2145
Black: Koster, Ramon
BlackTitle: FM
Result: 0-1
ECO: D11
Opening: Slav Defense: Modern Line
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... d5 { [%eval 0.23] [%clk 0:03:03] } 2. c4 { [%eval 0.19] [%clk 0:03:04] } 2... c6 { [%eval 0.21] [%clk 0:03:04] } 3. Nf3 { [%eval 0.19] [%clk 0:03:05] } 3... Nf6 { [%eval 0.27] [%clk 0:03:05] } 4. g3 { [%eval 0.12] [%clk 0:03:07] } 4... Bf5 { [%eval 0.16] [%clk 0:03:06] } 5. Nc3 { [%eval 0.13] [%clk 0:03:07] } 5... e6 { [%eval 0.25] [%clk 0:03:07] } 6. Nd2 { [%eval 0.0] [%clk 0:03:07] } 6... Nbd7 { [%eval -0.12] [%clk 0:03:05] } 7. Bg2 { [%eval -0.01] [%clk 0:03:07] } 7... Be7 { [%eval -0.16] [%clk 0:03:04] } 8. O-O { [%eval -0.13] [%clk 0:03:08] } 8... O-O { [%eval -0.1] [%clk 0:03:04] } 9. e4 { [%eval -0.07] [%clk 0:02:59] } 9... dxe4 { [%eval -0.11] [%clk 0:03:05] } 10. Ndxe4 { [%eval -0.17] [%clk 0:02:59] } 10... h6 { [%eval 0.0] [%clk 0:03:01] } 11. h3 { [%eval -0.17] [%clk 0:02:58] } 11... Nxe4 { [%eval -0.19] [%clk 0:02:54] } 12. Nxe4 { [%eval -0.18] [%clk 0:02:59] } 12... Nf6 { [%eval -0.16] [%clk 0:02:53] } 13. Nc3 { [%eval -0.16] [%clk 0:02:58] } 13... Rc8 { [%eval 0.07] [%clk 0:02:47] } 14. Be3 { [%eval -0.11] [%clk 0:02:55] } 14... a6 { [%eval 0.0] [%clk 0:02:45] } 15. Qe2 { [%eval 0.0] [%clk 0:02:27] } 15... b5 { [%eval 0.0] [%clk 0:02:29] } 16. a3 { [%eval -0.08] [%clk 0:02:27] } 16... bxc4 { [%eval -0.11] [%clk 0:02:10] } 17. Qxc4 { [%eval -0.06] [%clk 0:02:27] } 17... Nd5 { [%eval -0.11] [%clk 0:02:11] } 18. b4?! { [%eval -0.7] } { Inaccuracy. Nxd5 was best. } { [%clk 0:02:14] } 18... a5 { [%eval -0.77] [%clk 0:02:05] } 19. Nxd5?! { [%eval -1.9] } { Inaccuracy. Rac1 was best. } { [%clk 0:01:39] } 19... cxd5 { [%eval -1.65] [%clk 0:02:05] } 20. Qb3 { [%eval -2.14] [%clk 0:01:40] } 20... axb4 { [%eval -2.01] [%clk 0:02:04] } 21. axb4 { [%eval -2.0] [%clk 0:01:41] } 21... Rc4 { [%eval -2.06] [%clk 0:01:58] } 22. Ra7 { [%eval -1.91] [%clk 0:01:07] } 22... Rxb4 { [%eval -1.92] [%clk 0:01:48] } 23. Qa2 { [%eval -2.31] [%clk 0:01:03] } 23... Bf6 { [%eval -2.3] [%clk 0:01:45] } 24. Rd1 { [%eval -2.25] [%clk 0:01:02] } 24... Qb8 { [%eval -2.27] [%clk 0:01:25] } 25. Bf1 { [%eval -2.26] [%clk 0:00:51] } 25... h5 { [%eval -1.77] [%clk 0:01:12] } 26. h4 { [%eval -1.81] [%clk 0:00:50] } 26... Be4 { [%eval -1.72] [%clk 0:01:10] } 27. Be2?? { [%eval -4.55] } { Blunder. Bg2 was best. } { [%clk 0:00:41] } 27... Rb2 { [%eval -4.41] [%clk 0:01:10] } 0-1