Event: Round 4: Peter Prohaszka - Jonathan Carlstedt
Date: 2022-05-23
White: Peter Prohaszka
WhiteTitle: GM
Black: Jonathan Carlstedt
BlackTitle: IM
Result: 1-0
ECO: A62
Opening: Benoni Defense: Fianchetto Variation
Variant: Standard

1. d4 { [%eval 0.21] [%clk 1:30:32] } 1... Nf6 { [%eval 0.23] [%clk 1:30:50] } 2. Nf3 { [%eval 0.12] [%clk 1:30:48] } 2... c5 { [%eval 0.47] [%clk 1:30:37] } 3. d5 { [%eval 0.55] [%clk 1:31:10] } 3... e6 { [%eval 0.48] [%clk 1:30:59] } 4. c4 { [%eval 0.29] [%clk 1:29:20] } 4... exd5 { [%eval 0.52] [%clk 1:31:22] } 5. cxd5 { [%eval 0.83] [%clk 1:29:46] } 5... d6 { [%eval 0.77] [%clk 1:31:44] } 6. Nc3 { [%eval 0.86] [%clk 1:27:59] } 6... g6 { [%eval 0.95] [%clk 1:31:45] } 7. g3?! { [%eval 0.4] } { Inaccuracy. Nd2 was best. } { [%clk 1:27:43] } 7... Bg7 { [%eval 0.52] [%clk 1:31:48] } 8. Bg2 { [%eval 0.37] [%clk 1:28:09] } 8... O-O { [%eval 0.45] [%clk 1:32:10] } 9. O-O { [%eval 0.47] [%clk 1:28:35] } 9... a6 { [%eval 0.52] [%clk 1:28:27] } 10. a4 { [%eval 0.48] [%clk 1:28:31] } 10... Nbd7 { [%eval 0.38] [%clk 1:28:50] } 11. Bf4 { [%eval 0.3] [%clk 1:21:07] } 11... Qc7 { [%eval 0.32] [%clk 1:28:50] } 12. Rc1 { [%eval 0.38] [%clk 1:15:54] } 12... h6 { [%eval 0.68] [%clk 1:13:06] } 13. h3 { [%eval 0.23] [%clk 1:11:56] } 13... Nh5 { [%eval 0.72] [%clk 1:11:35] } 14. Bd2 { [%eval 0.84] [%clk 1:07:22] } 14... f5? { [%eval 2.0] } { Mistake. Nhf6 was best. } { [%clk 1:11:43] } 15. Re1?! { [%eval 1.28] } { Inaccuracy. e4 was best. } { [%clk 0:40:26] } 15... Ndf6 { [%eval 1.7] [%clk 1:01:26] } 16. b4?! { [%eval 1.12] } { Inaccuracy. e4 was best. } { [%clk 0:35:55] } 16... b6?! { [%eval 2.02] } { Inaccuracy. Ne4 was best. } { [%clk 0:45:09] } 17. a5 { [%eval 2.06] [%clk 0:34:34] } 17... b5 { [%eval 2.13] [%clk 0:45:30] } 18. Be3?? { [%eval 0.18] } { Blunder. bxc5 was best. } { [%clk 0:31:24] } 18... cxb4?? { [%eval 2.54] } { Blunder. c4 was best. } { [%clk 0:36:39] } 19. Nxb5 { [%eval 2.49] [%clk 0:29:35] } 19... Qxa5? { [%eval 4.07] } { Mistake. Qe7 was best. } { [%clk 0:36:50] } 20. Nc7?? { [%eval 1.02] } { Blunder. Nxd6 was best. } { [%clk 0:22:40] } 20... Rb8 { [%eval 0.99] [%clk 0:30:57] } 21. Nd4 { [%eval 0.93] [%clk 0:21:14] } 21... Rf7? { [%eval 2.16] } { Mistake. Ne4 was best. } { [%clk 0:26:36] } 22. Nce6 { [%eval 2.35] [%clk 0:15:03] } 22... Nxd5 { [%eval 1.84] [%clk 0:12:20] } 23. Nc6 { [%eval 1.66] [%clk 0:13:10] } 23... Nxe3 { [%eval 1.84] [%clk 0:12:43] } 24. Qxd6 { [%eval 2.16] [%clk 0:12:51] } 24... Qb6 { [%eval 1.99] [%clk 0:12:18] } 25. Nxg7 { [%eval 1.83] [%clk 0:11:16] } 25... Kxg7 { [%eval 1.82] [%clk 0:10:30] } 26. Qxb8 { [%eval 1.61] [%clk 0:07:37] } 26... Qxb8 { [%eval 2.17] [%clk 0:10:20] } 27. Nxb8 { [%eval 1.73] [%clk 0:08:05] } 27... Nxg2 { [%eval 1.88] [%clk 0:10:41] } 28. Kxg2 { [%eval 2.05] [%clk 0:05:44] } 28... Bb7+ { [%eval 2.1] [%clk 0:11:00] } 29. f3 { [%eval 1.97] [%clk 0:05:17] } 29... Nf6 { [%eval 2.26] [%clk 0:06:40] } 30. Nc6 { [%eval 2.43] [%clk 0:02:46] } 30... Nd5 { [%eval 2.43] [%clk 0:05:12] } 31. Kf2 { [%eval 2.62] [%clk 0:03:12] } 31... Ba8 { [%eval 2.55] [%clk 0:02:31] } 32. Rc5 { [%eval 2.32] [%clk 0:02:46] } 32... f4?! { [%eval 3.55] } { Inaccuracy. Bxc6 was best. } { [%clk 0:00:53] } 33. gxf4 { [%eval 3.33] [%clk 0:01:21] } 33... Rxf4? { [%eval 5.75] } { Mistake. Bxc6 was best. } { [%clk 0:01:10] } 34. e4 { [%eval 5.71] [%clk 0:00:52] } 34... Nc3 { [%eval 5.68] [%clk 0:00:37] } 35. Kg3 { [%eval 5.61] [%clk 0:00:50] } 35... g5 { [%eval 5.55] [%clk 0:01:02] } 36. Nxb4 { [%eval 5.62] [%clk 0:01:01] } 36... Nb5 { [%eval 6.33] [%clk 0:00:46] } 37. Rd1 { [%eval 5.95] [%clk 0:01:01] } 1-0