Event: Open B
Date: 2025-07-02
White: Slajs, Vlastimil
WhiteElo: 1780
Black: Kavanova, Valentyna
BlackElo: 1542
Result: 0-1
ECO: E70
Opening: King's Indian Defense: Accelerated Averbakh Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... Nf6 { [%eval 0.19] [%clk 1:30:52] } 2. c4 { [%eval 0.18] [%clk 1:31:12] } 2... g6 { [%eval 0.28] [%clk 1:31:13] } 3. Nc3 { [%eval 0.18] [%clk 1:31:35] } 3... d6 { [%eval 0.55] [%clk 1:31:28] } 4. e4 { [%eval 0.46] [%clk 1:31:53] } 4... Bg7 { [%eval 0.55] [%clk 1:31:49] } 5. Bg5 { [%eval 0.21] [%clk 1:31:31] } 5... O-O { [%eval 0.27] [%clk 1:31:47] } 6. Qd2 { [%eval 0.21] [%clk 1:31:43] } 6... c5 { [%eval 0.26] [%clk 1:27:56] } 7. d5 { [%eval 0.33] [%clk 1:32:01] } 7... Qb6 { [%eval 0.69] [%clk 1:22:30] } 8. Be2 { [%eval 0.97] [%clk 1:32:14] } 8... Nbd7 { [%eval 1.08] [%clk 1:21:11] } 9. h4 { [%eval 0.57] [%clk 1:32:06] } 9... Ne5 { [%eval 0.78] [%clk 1:13:35] } 10. Nf3 { [%eval 0.87] [%clk 1:31:13] } 10... Neg4 { [%eval 0.99] [%clk 1:05:33] } 11. Nh2 { [%eval 0.89] [%clk 1:30:28] } 11... h6 { [%eval 0.75] [%clk 1:03:50] } 12. Nxg4 { [%eval 0.96] [%clk 1:30:08] } 12... hxg5 { [%eval 1.41] [%clk 1:02:07] } 13. Nxf6+ { [%eval 0.86] [%clk 1:30:16] } 13... Bxf6? { [%eval 2.27] } { Mistake. exf6 was best. } { [%clk 0:59:17] } 14. hxg5 { [%eval 2.32] [%clk 1:30:28] } 14... Bd4 { [%eval 2.07] [%clk 0:58:35] } 15. Nb5 { [%eval 1.77] [%clk 1:29:06] } 15... Bxb2?? { [%eval 7.15] } { Blunder. Bg7 was best. } { [%clk 0:54:13] } 16. Qxb2 { [%eval 7.62] [%clk 1:29:20] } 16... f6 { [%eval 7.15] [%clk 0:53:14] } 17. O-O-O { [%eval 5.49] [%clk 1:28:47] } 17... a6 { [%eval 6.87] [%clk 0:51:11] } 18. Nc3?! { [%eval 4.36] } { Inaccuracy. gxf6 was best. } { [%clk 1:28:47] } 18... Qxb2+ { [%eval 4.68] [%clk 0:50:50] } 19. Kxb2 { [%eval 4.66] [%clk 1:29:11] } 19... fxg5 { [%eval 4.64] [%clk 0:50:57] } 20. f3 { [%eval 4.75] [%clk 1:29:08] } 20... g4 { [%eval 4.88] [%clk 0:49:57] } 21. Rh6 { [%eval 4.88] [%clk 1:29:09] } 21... Kg7 { [%eval 5.08] [%clk 0:49:42] } 22. Rdh1 { [%eval 5.16] [%clk 1:29:33] } 22... b5 { [%eval 5.9] [%clk 0:43:42] } 23. cxb5 { [%eval 4.99] [%clk 1:29:30] } 23... axb5 { [%eval 5.38] [%clk 0:43:59] } 24. Nxb5 { [%eval 4.46] [%clk 1:29:39] } 24... Ba6 { [%eval 4.69] [%clk 0:42:28] } 25. a4 { [%eval 4.7] [%clk 1:29:46] } 25... gxf3 { [%eval 4.65] [%clk 0:32:10] } 26. gxf3 { [%eval 4.78] [%clk 1:17:59] } 26... Bxb5 { [%eval 4.92] [%clk 0:32:10] } 27. axb5 { [%eval 4.63] [%clk 1:18:11] } 27... Ra4 { [%eval 4.67] [%clk 0:32:51] } 28. Kb3?! { [%eval 3.33] } { Inaccuracy. Rh7+ was best. } { [%clk 1:17:08] } 28... Rb4+ { [%eval 3.73] [%clk 0:33:06] } 29. Kc3 { [%eval 3.86] [%clk 1:17:24] } 29... Ra8 { [%eval 3.6] [%clk 0:33:11] } 30. R6h2?! { [%eval 2.76] } { Inaccuracy. Rh7+ was best. } { [%clk 1:14:51] } 30... Ra3+ { [%eval 2.68] [%clk 0:33:12] } 31. Kd2 { [%eval 2.87] [%clk 1:14:50] } 31... Rb2+ { [%eval 2.76] [%clk 0:32:16] } 32. Ke1 { [%eval 2.56] [%clk 1:15:01] } 32... Ra1+?! { [%eval 3.39] } { Inaccuracy. Raa2 was best. } { [%clk 0:29:58] } 33. Kf2 { [%eval 3.37] [%clk 1:15:19] } 33... Raa2 { [%eval 3.39] [%clk 0:30:05] } 34. Ke3 { [%eval 3.55] [%clk 1:15:13] } 34... g5?! { [%eval 5.39] } { Inaccuracy. Kf6 was best. } { [%clk 0:28:00] } 35. Rg2?! { [%eval 3.48] } { Inaccuracy. e5 was best. } { [%clk 1:13:37] } 35... Rb3+ { [%eval 4.01] [%clk 0:23:42] } 36. Kf2 { [%eval 3.86] [%clk 1:13:11] } 36... Rxb5 { [%eval 4.61] [%clk 0:23:18] } 37. Rxg5+ { [%eval 4.44] [%clk 1:13:00] } 37... Kf6?? { [%eval #20] } { Checkmate is now unavoidable. Kf8 was best. } { [%clk 0:21:27] } 38. f4?? { [%eval 6.29] } { Lost forced checkmate sequence. Rf5+ was best. } { [%clk 1:13:13] } 38... Rbb2?? { [%eval #3] } { Checkmate is now unavoidable. Kf7 was best. } { [%clk 0:20:55] } 39. Rh6+?? { [%eval 0.0] } { Lost forced checkmate sequence. Rf5+ was best. } { [%clk 1:13:06] } 39... Kf7 { [%eval 0.0] [%clk 0:20:56] } 40. Rh7+ { [%eval 0.0] [%clk 1:12:35] } 40... Ke8 { [%eval 0.0] [%clk 0:21:03] } 41. Rgg7 { [%eval 0.0] [%clk 1:10:44] } 41... Rxe2+ { [%eval 0.0] [%clk 0:21:16] } 42. Kf3 { [%eval 0.0] [%clk 1:10:49] } 42... Rf2+ { [%eval 0.0] [%clk 0:21:35] } 43. Ke3 { [%eval 0.0] [%clk 1:10:34] } 43... Rfe2+ { [%eval 0.0] [%clk 0:21:35] } 44. Kd3 { [%eval 0.0] [%clk 1:10:23] } 44... Rad2+ { [%eval 0.0] [%clk 0:21:47] } 45. Kc3 { [%eval 0.0] [%clk 1:10:20] } 45... Rc2+ { [%eval 0.0] [%clk 0:21:59] } 46. Kd3?? { [%eval #-3] } { Checkmate is now unavoidable. Kb3 was best. } { [%clk 1:10:40] } 46... c4+ { [%eval #-2] [%clk 0:22:04] } 47. Kd4 { [%eval #-2] [%clk 1:10:46] } 47... Red2+ { [%eval #-1] [%clk 0:22:13] } 48. Ke3 { [%eval #-1] [%clk 1:11:06] } 48... Rd3# { [%clk 0:22:39] } 0-1