Event: Round 4: Soucek, Jan - Biolek, Richard Jr.
Date: 2025-07-19
White: Soucek, Jan
WhiteTitle: FM
WhiteElo: 2309
Black: Biolek, Richard Jr.
BlackTitle: IM
BlackElo: 2400
Result: 1/2-1/2
ECO: E90
Opening: King's Indian Defense: Normal Variation, Rare Defenses
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:29:18] } 1... Nf6 { [%eval 0.14] [%clk 1:30:58] } 2. Nc3 { [%eval 0.12] [%clk 1:29:40] } 2... g6 { [%eval 0.41] [%clk 1:31:19] } 3. e4 { [%eval 0.31] [%clk 1:29:34] } 3... d6 { [%eval 0.45] [%clk 1:31:44] } 4. d4 { [%eval 0.46] [%clk 1:29:57] } 4... Bg7 { [%eval 0.55] [%clk 1:32:10] } 5. Nf3 { [%eval 0.36] [%clk 1:30:18] } 5... O-O { [%eval 0.44] [%clk 1:32:33] } 6. h3 { [%eval 0.42] [%clk 1:30:42] } 6... c5 { [%eval 0.53] [%clk 1:25:11] } 7. Be3 { [%eval 0.54] [%clk 1:27:35] } 7... cxd4 { [%eval 0.47] [%clk 1:16:43] } 8. Nxd4 { [%eval 0.56] [%clk 1:27:58] } 8... Nc6 { [%eval 0.63] [%clk 1:17:10] } 9. Be2 { [%eval 0.65] [%clk 1:28:22] } 9... Nxd4 { [%eval 0.56] [%clk 1:14:41] } 10. Bxd4 { [%eval 0.6] [%clk 1:28:45] } 10... Be6 { [%eval 0.84] [%clk 1:15:05] } 11. O-O { [%eval 0.79] [%clk 1:28:02] } 11... Nd7 { [%eval 0.79] [%clk 1:10:22] } 12. Bxg7 { [%eval 0.61] [%clk 1:21:21] } 12... Kxg7 { [%eval 0.73] [%clk 1:10:44] } 13. Kh1 { [%eval 0.48] [%clk 1:16:44] } 13... f6 { [%eval 0.58] [%clk 1:06:26] } 14. Qd2 { [%eval 0.5] [%clk 1:10:35] } 14... Rc8 { [%eval 0.52] [%clk 1:04:50] } 15. b3 { [%eval 0.59] [%clk 1:10:37] } 15... Qa5 { [%eval 0.55] [%clk 1:04:51] } 16. Rab1 { [%eval 0.44] [%clk 1:10:01] } 16... a6 { [%eval 0.67] [%clk 0:53:14] } 17. b4 { [%eval 0.53] [%clk 0:50:52] } 17... Qd8 { [%eval 0.79] [%clk 0:53:20] } 18. Nd5 { [%eval 0.72] [%clk 0:50:30] } 18... Nb6 { [%eval 0.91] [%clk 0:53:45] } 19. Qd4 { [%eval 0.8] [%clk 0:48:56] } 19... Nxd5 { [%eval 0.77] [%clk 0:51:51] } 20. exd5 { [%eval 0.81] [%clk 0:48:33] } 20... Bf5 { [%eval 1.0] [%clk 0:49:43] } 21. Rb2 { [%eval 0.72] [%clk 0:38:28] } 21... Qc7 { [%eval 0.89] [%clk 0:44:34] } 22. Rc1 { [%eval 0.68] [%clk 0:27:19] } 22... b6 { [%eval 1.17] [%clk 0:42:23] } 23. Qe3 { [%eval 1.18] [%clk 0:17:55] } 23... Rb8 { [%eval 1.24] [%clk 0:30:11] } 24. Rb3 { [%eval 0.88] [%clk 0:12:15] } 24... Qa7?! { [%eval 1.59] } { Inaccuracy. Rfe8 was best. } { [%clk 0:25:57] } 25. Rbc3 { [%eval 1.37] [%clk 0:09:08] } 25... g5?! { [%eval 2.46] } { Inaccuracy. Rfe8 was best. } { [%clk 0:20:24] } 26. Bg4? { [%eval 1.22] } { Mistake. f4 was best. } { [%clk 0:06:17] } 26... Bxg4 { [%eval 1.4] [%clk 0:17:35] } 27. hxg4 { [%eval 1.46] [%clk 0:06:46] } 27... Qd7 { [%eval 1.3] [%clk 0:18:00] } 28. Qd4 { [%eval 1.27] [%clk 0:04:41] } 28... a5 { [%eval 1.05] [%clk 0:16:23] } 29. a3 { [%eval 0.82] [%clk 0:03:38] } 29... axb4 { [%eval 0.87] [%clk 0:09:44] } 30. axb4 { [%eval 0.96] [%clk 0:04:06] } 30... Qa4 { [%eval 1.39] [%clk 0:10:12] } 31. Qe4? { [%eval 0.16] } { Mistake. b5 was best. } { [%clk 0:02:02] } 31... Rb7?! { [%eval 0.99] } { Inaccuracy. Qxb4 was best. } { [%clk 0:08:50] } 32. Rh3 { [%eval 0.9] [%clk 0:00:55] } 32... Rh8 { [%eval 1.02] [%clk 0:09:15] } 33. f4 { [%eval 0.47] [%clk 0:00:52] } 33... gxf4?! { [%eval 1.42] } { Inaccuracy. h6 was best. } { [%clk 0:04:45] } 34. b5? { [%eval 0.29] } { Mistake. g5 was best. } { [%clk 0:00:50] } 34... h6 { [%eval 0.26] [%clk 0:03:57] } 35. Qxf4 { [%eval 0.53] [%clk 0:01:12] } 35... Qa8 { [%eval 0.65] [%clk 0:04:06] } 36. Qd4 { [%eval 0.29] [%clk 0:00:33] } 36... Qe8 { [%eval 0.25] [%clk 0:04:01] } 37. Qe4 { [%eval 0.14] [%clk 0:00:31] } 37... Qg6 { [%eval 0.19] [%clk 0:03:40] } 38. Qf5 { [%eval 0.0] [%clk 0:00:38] } 38... Rc7 { [%eval 0.28] [%clk 0:02:29] } 1/2-1/2