Event: Round 2: Koster, Chiel - Jordan, Felix
Site: https://lichess.org/broadcast/alma-mater-university-chess-tournament/round-2/xUudVyxX/mEClOP46
Date: 2025-09-12
White: Koster, Chiel
WhiteElo: 2163
Black: Jordan, Felix
BlackElo: 1808
Result: 1-0
ECO: D77
Opening: Neo-Grünfeld Defense: Classical Variation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 0:45:13] } 1... d5 { [%eval 0.18] [%clk 0:45:01] } 2. g3 { [%eval 0.15] [%clk 0:45:12] } 2... Nf6 { [%eval 0.15] [%clk 0:45:05] } 3. Bg2 { [%eval 0.13] [%clk 0:45:16] } 3... g6 { [%eval 0.14] [%clk 0:44:53] } 4. O-O { [%eval 0.13] [%clk 0:45:19] } 4... Bg7 { [%eval 0.13] [%clk 0:45:01] } 5. d4 { [%eval 0.1] [%clk 0:45:19] } 5... O-O { [%eval 0.1] [%clk 0:45:03] } 6. c4 { [%eval 0.08] [%clk 0:45:26] } 6... Bf5?! { [%eval 0.73] } { Inaccuracy. c6 was best. } { [%clk 0:43:45] } 7. Nc3 { [%eval 0.3] [%clk 0:44:42] } 7... c6 { [%eval 0.26] [%clk 0:42:29] } 8. cxd5 { [%eval 0.15] [%clk 0:43:18] } 8... cxd5 { [%eval 0.18] [%clk 0:42:11] } 9. Qb3 { [%eval 0.17] [%clk 0:42:50] } 9... Qb6 { [%eval 0.22] [%clk 0:37:42] } 10. Nxd5 { [%eval 0.0] [%clk 0:40:29] } 10... Nxd5 { [%eval 0.1] [%clk 0:37:47] } 11. Qxd5 { [%eval 0.08] [%clk 0:40:30] } 11... Rd8 { [%eval 0.35] [%clk 0:37:37] } 12. Qb3 { [%eval 0.16] [%clk 0:39:51] } 12... Bxd4?? { [%eval 2.06] } { Blunder. Qxb3 was best. } { [%clk 0:30:51] } 13. Nxd4 { [%eval 2.05] [%clk 0:39:52] } 13... Rxd4 { [%eval 2.06] [%clk 0:30:43] } 14. Qxb6 { [%eval 2.21] [%clk 0:36:59] } 14... axb6 { [%eval 2.28] [%clk 0:30:40] } 15. Bxb7 { [%eval 2.13] [%clk 0:37:03] } 15... Ra7 { [%eval 2.16] [%clk 0:30:30] } 16. Bg2 { [%eval 1.92] [%clk 0:36:42] } 16... Rad7? { [%eval 3.31] } { Mistake. Nd7 was best. } { [%clk 0:29:34] } 17. Be3 { [%eval 3.42] [%clk 0:36:14] } 17... Rb4 { [%eval 3.51] [%clk 0:29:02] } 18. b3 { [%eval 2.75] [%clk 0:36:12] } 18... Na6?! { [%eval 4.32] } { Inaccuracy. Ra7 was best. } { [%clk 0:27:02] } 19. Rfd1 { [%eval 4.42] [%clk 0:34:39] } 19... Rc7 { [%eval 4.23] [%clk 0:19:49] } 20. Bh6 { [%eval 4.35] [%clk 0:33:48] } 20... f6 { [%eval 4.73] [%clk 0:19:41] } 21. h4 { [%eval 4.0] [%clk 0:30:06] } 21... Rc2 { [%eval 4.42] [%clk 0:11:41] } 22. Rac1 { [%eval 3.99] [%clk 0:22:00] } 22... Rb5?! { [%eval 5.48] } { Inaccuracy. Rxc1 was best. } { [%clk 0:01:23] } 23. Rxc2 { [%eval 5.49] [%clk 0:20:29] } 23... Bxc2 { [%eval 5.85] [%clk 0:01:30] } 24. Bd5+ { [%eval 5.65] [%clk 0:20:18] } 24... Kh8 { [%eval 5.83] [%clk 0:00:48] } 25. Rd2 { [%eval 5.69] [%clk 0:20:15] } 25... Rc5?? { [%eval #6] } { Checkmate is now unavoidable. Rxd5 was best. } { [%clk 0:00:15] } 26. Be6 { [%eval #5] [%clk 0:20:18] } 1-0