Event: Round 6: Grigoriants, Sergey - Koelle, Tobias
Date: 2024-12-07
White: Grigoriants, Sergey
WhiteTitle: GM
WhiteElo: 2529
Black: Koelle, Tobias
BlackTitle: IM
BlackElo: 2399
Result: 1-0
ECO: E49
Opening: Nimzo-Indian Defense: Normal Variation, Botvinnik System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:15:17] } 1... Nf6 { [%eval 0.19] [%clk 0:14:26] } 2. c4 { [%eval 0.17] [%clk 0:15:22] } 2... e6 { [%eval 0.11] [%clk 0:14:34] } 3. Nc3 { [%eval 0.17] [%clk 0:15:23] } 3... Bb4 { [%eval 0.17] [%clk 0:14:41] } 4. e3 { [%eval 0.11] [%clk 0:15:29] } 4... O-O { [%eval 0.11] [%clk 0:14:47] } 5. Bd3 { [%eval 0.13] [%clk 0:15:20] } 5... d5 { [%eval 0.09] [%clk 0:14:51] } 6. a3 { [%eval 0.09] [%clk 0:15:03] } 6... Bxc3+ { [%eval 0.08] [%clk 0:14:54] } 7. bxc3 { [%eval 0.0] [%clk 0:15:11] } 7... dxc4 { [%eval 0.1] [%clk 0:15:03] } 8. Bxc4 { [%eval 0.1] [%clk 0:15:18] } 8... c5 { [%eval 0.12] [%clk 0:15:11] } 9. Ne2 { [%eval 0.19] [%clk 0:15:19] } 9... Qc7 { [%eval 0.25] [%clk 0:15:18] } 10. Ba2 { [%eval 0.29] [%clk 0:15:12] } 10... b6 { [%eval 0.18] [%clk 0:14:31] } 11. O-O { [%eval 0.21] [%clk 0:15:01] } 11... Bb7 { [%eval 0.4] [%clk 0:14:14] } 12. Ng3 { [%eval 0.38] [%clk 0:12:05] } 12... Nbd7 { [%eval 0.46] [%clk 0:13:27] } 13. Qe2 { [%eval 0.23] [%clk 0:11:38] } 13... a5 { [%eval 0.58] [%clk 0:12:09] } 14. Re1 { [%eval 0.44] [%clk 0:10:28] } 14... Ba6 { [%eval 0.44] [%clk 0:11:46] } 15. Qb2 { [%eval 0.56] [%clk 0:09:15] } 15... h5 { [%eval 0.67] [%clk 0:08:29] } 16. h4 { [%eval 0.53] [%clk 0:09:09] } 16... Rfc8 { [%eval 1.05] [%clk 0:06:11] } 17. e4 { [%eval 1.03] [%clk 0:08:58] } 17... e5? { [%eval 2.23] } { Mistake. cxd4 was best. } { [%clk 0:03:31] } 18. Bg5?! { [%eval 1.55] } { Inaccuracy. Nf5 was best. } { [%clk 0:07:41] } 18... c4?! { [%eval 2.32] } { Inaccuracy. cxd4 was best. } { [%clk 0:03:05] } 19. a4?! { [%eval 1.29] } { Inaccuracy. Nf5 was best. } { [%clk 0:06:10] } 19... g6 { [%eval 1.4] [%clk 0:02:29] } 20. Qa3 { [%eval 1.3] [%clk 0:05:18] } 20... Rab8 { [%eval 1.59] [%clk 0:02:07] } 21. Rad1 { [%eval 1.17] [%clk 0:05:15] } 21... Re8 { [%eval 1.47] [%clk 0:02:03] } 22. Bb1 { [%eval 1.51] [%clk 0:05:07] } 22... Nh7 { [%eval 1.66] [%clk 0:01:49] } 23. Be3 { [%eval 1.59] [%clk 0:04:19] } 23... Nhf8 { [%eval 1.61] [%clk 0:01:38] } 24. Nf1 { [%eval 1.7] [%clk 0:03:33] } 24... Ne6 { [%eval 1.57] [%clk 0:01:24] } 25. Nh2 { [%eval 1.61] [%clk 0:03:40] } 25... Rbd8 { [%eval 1.99] [%clk 0:00:59] } 26. Nf3 { [%eval 1.88] [%clk 0:03:45] } 26... exd4?! { [%eval 3.02] } { Inaccuracy. b5 was best. } { [%clk 0:00:28] } 27. cxd4 { [%eval 3.02] [%clk 0:03:53] } 27... Nf6 { [%eval 3.67] [%clk 0:00:34] } 28. d5 { [%eval 3.61] [%clk 0:03:39] } 28... Nc5 { [%eval 3.43] [%clk 0:00:43] } 29. Bg5 { [%eval 3.4] [%clk 0:02:46] } 29... Nfxe4 { [%eval 3.64] [%clk 0:00:52] } 30. Bxe4 { [%eval 3.79] [%clk 0:02:45] } 30... Nxe4 { [%eval 3.61] [%clk 0:01:00] } 31. Bxd8 { [%eval 3.62] [%clk 0:02:46] } 31... Qxd8 { [%eval 4.02] [%clk 0:01:08] } 32. d6 { [%eval 3.57] [%clk 0:02:36] } 32... Qd7 { [%eval 4.35] [%clk 0:00:43] } 33. Qb2 { [%eval 4.13] [%clk 0:02:24] } 33... c3 { [%eval 4.12] [%clk 0:00:47] } 34. Qxb6 { [%eval 3.65] [%clk 0:02:27] } 34... c2?! { [%eval 4.68] } { Inaccuracy. Bb7 was best. } { [%clk 0:00:52] } 35. Rc1 { [%eval 4.66] [%clk 0:02:17] } 35... Bd3?! { [%eval 6.26] } { Inaccuracy. Bc8 was best. } { [%clk 0:00:54] } 36. Qd4 { [%eval 5.64] [%clk 0:02:24] } 1-0