Event: Round 2: Gerrit Prakken - Yehuda Gruenfeld
Date: 2023-09-20
White: Gerrit Prakken
WhiteTitle: FM
WhiteElo: 2176
Black: Yehuda Gruenfeld
BlackTitle: GM
BlackElo: 2388
Result: 0-1
ECO: E15
Opening: Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:52] } 1... Nf6 { [%eval 0.28] [%clk 1:30:54] } 2. Nf3 { [%eval 0.12] [%clk 1:31:16] } 2... e6 { [%eval 0.38] [%clk 1:30:38] } 3. c4 { [%eval 0.0] [%clk 1:31:38] } 3... b6 { [%eval 0.29] [%clk 1:30:16] } 4. g3 { [%eval 0.18] [%clk 1:31:14] } 4... Ba6 { [%eval 0.19] [%clk 1:30:30] } 5. Qa4 { [%eval 0.15] [%clk 1:31:18] } 5... Bb7 { [%eval 0.4] [%clk 1:29:53] } 6. Bg2 { [%eval 0.18] [%clk 1:31:10] } 6... c5 { [%eval 0.08] [%clk 1:30:14] } 7. dxc5 { [%eval 0.01] [%clk 1:30:49] } 7... bxc5 { [%eval 0.28] [%clk 1:29:43] } 8. O-O { [%eval 0.23] [%clk 1:30:22] } 8... Be7 { [%eval 0.14] [%clk 1:29:50] } 9. Nc3 { [%eval 0.14] [%clk 1:30:24] } 9... O-O { [%eval 0.21] [%clk 1:30:06] } 10. Bf4 { [%eval 0.17] [%clk 1:29:30] } 10... d6 { [%eval 0.15] [%clk 1:27:51] } 11. Rfd1 { [%eval 0.13] [%clk 1:28:18] } 11... Qb6 { [%eval 0.24] [%clk 1:28:08] } 12. Rab1 { [%eval 0.18] [%clk 1:27:29] } 12... Na6 { [%eval 0.45] [%clk 1:22:14] } 13. a3 { [%eval 0.27] [%clk 1:23:30] } 13... Rfd8 { [%eval 0.46] [%clk 1:10:52] } 14. b4 { [%eval 0.22] [%clk 1:13:05] } 14... cxb4 { [%eval 0.56] [%clk 1:09:03] } 15. axb4 { [%eval 0.53] [%clk 1:10:56] } 15... Ne4 { [%eval 0.6] [%clk 1:07:42] } 16. Nxe4 { [%eval 0.59] [%clk 1:04:19] } 16... Bxe4 { [%eval 0.42] [%clk 1:08:05] } 17. Be3 { [%eval 0.35] [%clk 1:04:36] } 17... Qb7 { [%eval 0.36] [%clk 1:08:25] } 18. Ne1 { [%eval 0.38] [%clk 1:03:02] } 18... Bxg2 { [%eval 0.31] [%clk 1:06:32] } 19. Nxg2 { [%eval 0.42] [%clk 1:03:23] } 19... Nc7 { [%eval 0.8] [%clk 1:06:56] } 20. b5 { [%eval 0.77] [%clk 0:56:26] } 20... a6 { [%eval 0.79] [%clk 1:04:39] } 21. b6 { [%eval 0.78] [%clk 0:51:30] } 21... Ne8 { [%eval 0.66] [%clk 1:04:58] } 22. Nf4 { [%eval 0.9] [%clk 0:51:23] } 22... Nf6 { [%eval 0.86] [%clk 1:05:02] } 23. h3?! { [%eval 0.06] } { Inaccuracy. Nd3 was best. } { [%clk 0:47:35] } 23... Ne4?! { [%eval 0.93] } { Inaccuracy. Nd7 was best. } { [%clk 1:02:37] } 24. Qb3?! { [%eval 0.32] } { Inaccuracy. Rdc1 was best. } { [%clk 0:44:39] } 24... Rdc8 { [%eval 0.21] [%clk 1:01:19] } 25. Rdc1 { [%eval 0.07] [%clk 0:41:35] } 25... Nc5 { [%eval 0.28] [%clk 0:53:40] } 26. Qa2 { [%eval -0.15] [%clk 0:37:33] } 26... Rc6 { [%eval -0.2] [%clk 0:53:01] } 27. Qa5 { [%eval -0.24] [%clk 0:29:46] } 27... Rb8 { [%eval -0.16] [%clk 0:51:39] } 28. Nd3 { [%eval -0.21] [%clk 0:27:07] } 28... Rxb6 { [%eval -0.19] [%clk 0:50:22] } 29. Rxb6 { [%eval -0.09] [%clk 0:24:52] } 29... Qxb6 { [%eval -0.13] [%clk 0:50:45] } 30. Qa3?! { [%eval -0.88] } { Inaccuracy. Qxb6 was best. } { [%clk 0:24:45] } 30... h6 { [%eval -0.71] [%clk 0:46:54] } 31. Ra1 { [%eval -0.84] [%clk 0:22:41] } 31... Qc6 { [%eval -0.57] [%clk 0:44:27] } 32. Nb4 { [%eval -0.99] [%clk 0:22:24] } 32... Qe4?! { [%eval -0.31] } { Inaccuracy. Qc8 was best. } { [%clk 0:43:52] } 33. Nxa6 { [%eval -0.41] [%clk 0:18:35] } 33... Rb3 { [%eval 0.0] [%clk 0:42:25] } 34. Qa2 { [%eval 0.0] [%clk 0:15:11] } 34... Qxc4 { [%eval 0.0] [%clk 0:37:22] } 35. Nxc5 { [%eval 0.0] [%clk 0:14:59] } 35... dxc5 { [%eval 0.0] [%clk 0:37:44] } 36. Qa8+ { [%eval -0.02] [%clk 0:11:36] } 36... Kh7 { [%eval 0.0] [%clk 0:38:06] } 37. Qf3?? { [%eval -1.79] } { Blunder. Ra7 was best. } { [%clk 0:11:09] } 37... Bg5 { [%eval -1.57] [%clk 0:32:29] } 38. Qxf7?? { [%eval -4.54] } { Blunder. Kg2 was best. } { [%clk 0:09:05] } 38... Bxe3 { [%eval -5.03] [%clk 0:32:47] } 39. fxe3 { [%eval -5.0] [%clk 0:08:50] } 39... Qc3 { [%eval -4.23] [%clk 0:31:22] } 0-1