Event: Round 4: Altynbek, Aiaru - Venskaya, Nika
Date: 2025-04-13
White: Altynbek, Aiaru
WhiteTitle: WFM
WhiteElo: 1994
Black: Venskaya, Nika
BlackTitle: WCM
BlackElo: 1866
Result: 1-0
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard
TimeControl: 15+5

1. d4 { [%eval 0.17] [%clk 0:15:08] } 1... Nf6 { [%eval 0.19] [%clk 0:15:10] } 2. c4 { [%eval 0.18] [%clk 0:15:11] } 2... g6 { [%eval 0.19] [%clk 0:15:13] } 3. Nc3 { [%eval 0.21] [%clk 0:15:14] } 3... Bg7 { [%eval 0.51] [%clk 0:15:17] } 4. e4 { [%eval 0.4] [%clk 0:15:16] } 4... d6 { [%eval 0.48] [%clk 0:15:21] } 5. Be2 { [%eval 0.51] [%clk 0:15:19] } 5... O-O { [%eval 0.48] [%clk 0:15:14] } 6. Be3 { [%eval 0.44] [%clk 0:15:22] } 6... c5 { [%eval 0.56] [%clk 0:15:19] } 7. d5 { [%eval 0.56] [%clk 0:15:18] } 7... e6 { [%eval 0.6] [%clk 0:15:20] } 8. Nf3 { [%eval 0.72] [%clk 0:12:21] } 8... exd5 { [%eval 0.66] [%clk 0:15:24] } 9. cxd5 { [%eval 0.72] [%clk 0:12:12] } 9... b5 { [%eval 0.65] [%clk 0:15:28] } 10. e5 { [%eval 0.66] [%clk 0:11:40] } 10... dxe5 { [%eval 0.71] [%clk 0:11:44] } 11. Bxc5 { [%eval 0.7] [%clk 0:11:33] } 11... Re8 { [%eval 0.62] [%clk 0:11:34] } 12. Bxb5 { [%eval 0.6] [%clk 0:11:21] } 12... Bd7 { [%eval 0.62] [%clk 0:11:24] } 13. Be2 { [%eval 0.72] [%clk 0:10:43] } 13... e4?! { [%eval 1.39] } { Inaccuracy. Bg4 was best. } { [%clk 0:09:26] } 14. Nd2 { [%eval 1.03] [%clk 0:10:22] } 14... Qc8?! { [%eval 2.04] } { Inaccuracy. Na6 was best. } { [%clk 0:07:40] } 15. Bd4 { [%eval 2.15] [%clk 0:10:04] } 15... Bf5 { [%eval 2.58] [%clk 0:06:13] } 16. O-O { [%eval 2.56] [%clk 0:09:39] } 16... h5 { [%eval 2.62] [%clk 0:05:43] } 17. Rc1 { [%eval 2.66] [%clk 0:09:25] } 17... Qd8 { [%eval 2.79] [%clk 0:05:22] } 18. Nc4 { [%eval 2.77] [%clk 0:08:41] } 18... h4 { [%eval 3.01] [%clk 0:04:12] } 19. h3 { [%eval 3.05] [%clk 0:08:24] } 19... g5?! { [%eval 4.02] } { Inaccuracy. Nbd7 was best. } { [%clk 0:02:31] } 20. Ne3 { [%eval 4.29] [%clk 0:08:13] } 20... Bg6 { [%eval 4.43] [%clk 0:02:33] } 21. Nb5 { [%eval 4.22] [%clk 0:06:49] } 21... Re7 { [%eval 4.86] [%clk 0:01:53] } 22. d6 { [%eval 4.87] [%clk 0:06:05] } 22... Rd7 { [%eval 5.18] [%clk 0:01:52] } 23. Bxf6 { [%eval 5.05] [%clk 0:05:26] } 23... Bxf6 { [%eval 4.97] [%clk 0:01:14] } 24. Bg4 { [%eval 5.12] [%clk 0:05:18] } 24... Bxb2 { [%eval 5.61] [%clk 0:01:02] } 25. Rc2 { [%eval 5.6] [%clk 0:04:35] } 25... Be5 { [%eval 5.95] [%clk 0:00:56] } 26. Qd5 { [%eval 5.33] [%clk 0:04:29] } 26... Bxd6 { [%eval 5.82] [%clk 0:00:07] } 27. Qxa8 { [%eval 5.74] [%clk 0:04:23] } 27... Bf4 { [%eval 5.8] [%clk 0:00:06] } 28. Bxd7 { [%eval 5.66] [%clk 0:04:18] } 28... Qxd7 { [%eval 5.63] [%clk 0:00:10] } 29. Qd5 { [%eval 5.77] [%clk 0:04:07] } 29... Qe7 { [%eval 5.99] [%clk 0:00:07] } 30. Rc8+ { [%eval 5.96] [%clk 0:04:08] } 30... Kh7 { [%eval 5.85] [%clk 0:00:09] } 31. Qd8 { [%eval 5.59] [%clk 0:04:08] } 31... Qe5?? { [%eval #6] } { Checkmate is now unavoidable. Qxd8 was best. } { [%clk 0:00:07] } 32. Qg8+ { [%eval #5] [%clk 0:04:09] } 32... Kh6 { [%eval #5] [%clk 0:00:11] } 33. Ng4+ { [%eval #4] [%clk 0:04:13] } 1-0