Event: Round 2: Knaak, Rainer - Kienboeck, Benjamin
Date: 2025-04-27
White: Knaak, Rainer
WhiteTitle: GM
WhiteElo: 2472
Black: Kienboeck, Benjamin
BlackTitle: FM
BlackElo: 2240
Result: 1-0
ECO: E44
Opening: Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... Nf6 { [%eval 0.19] [%clk 1:30:45] } 2. c4 { [%eval 0.18] [%clk 1:31:13] } 2... e6 { [%eval 0.14] [%clk 1:31:00] } 3. Nc3 { [%eval 0.09] [%clk 1:30:57] } 3... Bb4 { [%eval 0.09] [%clk 1:31:16] } 4. e3 { [%eval 0.11] [%clk 1:31:03] } 4... b6 { [%eval 0.31] [%clk 1:31:19] } 5. Ne2 { [%eval 0.26] [%clk 1:31:01] } 5... c5 { [%eval 0.37] [%clk 1:31:37] } 6. a3 { [%eval 0.37] [%clk 1:31:11] } 6... Ba5 { [%eval 0.41] [%clk 1:31:59] } 7. Rb1 { [%eval 0.39] [%clk 1:31:10] } 7... Na6 { [%eval 0.3] [%clk 1:32:20] } 8. Ng3 { [%eval 0.48] [%clk 1:31:12] } 8... Bb7 { [%eval 0.51] [%clk 1:30:58] } 9. f3 { [%eval 0.55] [%clk 1:31:23] } 9... O-O { [%eval 0.49] [%clk 1:29:33] } 10. Bd3 { [%eval 0.5] [%clk 1:31:20] } 10... d5 { [%eval 0.44] [%clk 1:25:15] } 11. O-O { [%eval 0.5] [%clk 1:31:32] } 11... Bxc3 { [%eval 0.58] [%clk 1:19:07] } 12. bxc3 { [%eval 0.54] [%clk 1:31:54] } 12... Rc8 { [%eval 0.63] [%clk 1:10:11] } 13. Qe2 { [%eval 0.39] [%clk 1:16:24] } 13... Nb8 { [%eval 0.36] [%clk 1:02:19] } 14. Bd2 { [%eval 0.36] [%clk 1:04:37] } 14... Ba6 { [%eval 0.44] [%clk 0:52:41] } 15. cxd5 { [%eval 0.43] [%clk 1:04:37] } 15... Bxd3 { [%eval 0.48] [%clk 0:52:51] } 16. Qxd3 { [%eval 0.46] [%clk 1:05:02] } 16... exd5? { [%eval 1.77] } { Mistake. Nxd5 was best. } { [%clk 0:52:50] } 17. e4 { [%eval 1.77] [%clk 0:50:06] } 17... dxe4?! { [%eval 2.67] } { Inaccuracy. Ne8 was best. } { [%clk 0:45:44] } 18. fxe4 { [%eval 2.58] [%clk 0:50:27] } 18... cxd4 { [%eval 3.2] [%clk 0:45:45] } 19. cxd4 { [%eval 3.06] [%clk 0:50:51] } 19... Nc6 { [%eval 3.25] [%clk 0:45:31] } 20. Nf5 { [%eval 3.12] [%clk 0:44:33] } 20... Ne5?! { [%eval 4.06] } { Inaccuracy. Ne7 was best. } { [%clk 0:17:02] } 21. Qe2 { [%eval 4.02] [%clk 0:26:22] } 21... Rc2 { [%eval 4.28] [%clk 0:11:01] } 22. Qd1 { [%eval 4.19] [%clk 0:22:33] } 22... Ra2 { [%eval 4.39] [%clk 0:09:21] } 23. Bg5 { [%eval 4.2] [%clk 0:13:20] } 23... Ned7 { [%eval 5.06] [%clk 0:07:18] } 24. Qb3 { [%eval 5.01] [%clk 0:13:01] } 24... Re2 { [%eval 4.95] [%clk 0:06:56] } 25. Ng3 { [%eval 4.95] [%clk 0:12:26] } 1-0