Event: Round 6: Tong Thai Hoang An - Venskaya, Nika
Date: 2025-04-16
White: Tong Thai Hoang An
WhiteElo: 1964
Black: Venskaya, Nika
BlackTitle: WCM
BlackElo: 1973
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation
Variant: Standard
TimeControl: 5+3

1. d4 { [%eval 0.17] [%clk 0:05:05] } 1... Nf6 { [%eval 0.19] [%clk 0:05:02] } 2. c4 { [%eval 0.18] } 2... g6 { [%eval 0.19] [%clk 0:05:03] } 3. Nc3 { [%eval 0.21] [%clk 0:05:10] } 3... Bg7 { [%eval 0.51] [%clk 0:05:04] } 4. e4 { [%eval 0.4] [%clk 0:05:11] } 4... d6 { [%eval 0.48] [%clk 0:05:06] } 5. f3 { [%eval 0.26] [%clk 0:05:12] } 5... O-O { [%eval 0.3] [%clk 0:05:07] } 6. Nge2 { [%eval 0.27] [%clk 0:05:14] } 6... c5 { [%eval 0.35] [%clk 0:05:06] } 7. d5 { [%eval 0.28] [%clk 0:05:12] } 7... e6 { [%eval 0.28] [%clk 0:05:06] } 8. Be3 { [%eval -0.26] [%clk 0:04:49] } 8... Re8?! { [%eval 0.34] } { Inaccuracy. exd5 was best. } { [%clk 0:04:48] } 9. Qd2 { [%eval -0.17] [%clk 0:04:50] } 9... exd5 { [%eval -0.13] [%clk 0:04:48] } 10. cxd5 { [%eval -0.16] [%clk 0:04:52] } 10... a6 { [%eval 0.25] [%clk 0:04:47] } 11. a4 { [%eval -0.08] [%clk 0:04:51] } 11... Nbd7 { [%eval -0.17] [%clk 0:04:49] } 12. Nc1 { [%eval -0.07] [%clk 0:04:51] } 12... Ne5 { [%eval 0.0] [%clk 0:04:30] } 13. Be2 { [%eval 0.0] [%clk 0:04:53] } 13... Rb8 { [%eval 0.0] [%clk 0:04:20] } 14. O-O { [%eval 0.15] [%clk 0:04:42] } 14... b6?! { [%eval 0.72] } { Inaccuracy. Nh5 was best. } { [%clk 0:04:13] } 15. b3 { [%eval 0.29] [%clk 0:04:27] } 15... Qd7 { [%eval 0.78] [%clk 0:03:33] } 16. h3 { [%eval 0.41] [%clk 0:03:41] } 16... Qc7 { [%eval 0.91] [%clk 0:03:03] } 17. Ra2 { [%eval 0.65] [%clk 0:03:36] } 17... Ned7 { [%eval 0.98] [%clk 0:02:52] } 18. Rd1?! { [%eval 0.32] } { Inaccuracy. Bf4 was best. } { [%clk 0:03:23] } 18... Nh5 { [%eval 0.42] [%clk 0:02:29] } 19. f4?! { [%eval -0.26] } { Inaccuracy. Rc2 was best. } { [%clk 0:02:45] } 19... Ng3 { [%eval -0.26] [%clk 0:02:18] } 20. Bf3 { [%eval -0.37] [%clk 0:02:46] } 20... Bxc3 { [%eval 0.13] [%clk 0:02:14] } 21. Qxc3 { [%eval 0.2] [%clk 0:02:33] } 21... Nxe4 { [%eval 0.18] [%clk 0:02:11] } 22. Bxe4 { [%eval 0.22] [%clk 0:02:17] } 22... Rxe4 { [%eval 0.31] [%clk 0:02:13] } 23. Rf2?? { [%eval -1.37] } { Blunder. Ne2 was best. } { [%clk 0:02:11] } 23... Qd8? { [%eval -0.15] } { Mistake. f5 was best. } { [%clk 0:01:49] } 24. Ne2 { [%eval -0.2] [%clk 0:01:25] } 24... Qf6 { [%eval 0.11] [%clk 0:01:42] } 25. Qd3?! { [%eval -0.65] } { Inaccuracy. Qc1 was best. } { [%clk 0:01:27] } 25... Re8?! { [%eval 0.36] } { Inaccuracy. Qe7 was best. } { [%clk 0:01:38] } 26. Ng3 { [%eval 0.38] [%clk 0:01:22] } 26... b5 { [%eval 0.67] [%clk 0:01:22] } 27. axb5 { [%eval 0.59] [%clk 0:01:14] } 27... axb5 { [%eval 0.96] [%clk 0:01:25] } 28. Bd2? { [%eval -0.15] } { Mistake. Bc1 was best. } { [%clk 0:01:13] } 28... Qh4? { [%eval 1.51] } { Mistake. b4 was best. } { [%clk 0:01:10] } 29. Bc3? { [%eval -0.09] } { Mistake. Ne4 was best. } { [%clk 0:01:00] } 29... Nf6?! { [%eval 0.69] } { Inaccuracy. b4 was best. } { [%clk 0:00:14] } 30. f5 { [%eval 0.89] [%clk 0:00:42] } 30... c4?? { [%eval 4.33] } { Blunder. b4 was best. } { [%clk 0:00:11] } 31. Qf3 { [%eval 4.19] [%clk 0:00:38] } 31... b4 { [%eval 4.27] [%clk 0:00:05] } 32. Rd4?! { [%eval 2.97] } { Inaccuracy. Bd4 was best. } { [%clk 0:00:26] } 32... Qg5? { [%eval 5.33] } { Mistake. Qh6 was best. } { [%clk 0:00:07] } 33. Bd2 { [%eval 5.17] [%clk 0:00:29] } 33... Re1+ { [%eval 6.45] [%clk 0:00:05] } 34. Kh2 { [%eval 6.43] [%clk 0:00:23] } 34... Ng4+ { [%eval 7.62] [%clk 0:00:05] } 35. Rxg4 { [%eval 7.61] [%clk 0:00:24] } 35... Qe7 { [%eval 7.97] [%clk 0:00:06] } 36. Bxe1 { [%eval 7.91] [%clk 0:00:24] } 36... Qxe1? { [%eval #9] } { Checkmate is now unavoidable. cxb3 was best. } { [%clk 0:00:07] } 37. Rxc4? { [%eval 7.12] } { Lost forced checkmate sequence. fxg6 was best. } { [%clk 0:00:25] } 37... Ba6 { [%eval 8.52] [%clk 0:00:09] } 38. Re4 { [%eval 8.01] [%clk 0:00:23] } 38... Qb1? { [%eval #6] } { Checkmate is now unavoidable. Qc3 was best. } { [%clk 0:00:04] } 39. fxg6 { [%eval #5] [%clk 0:00:25] } 39... fxg6 { [%eval #4] [%clk 0:00:04] } 40. Qf7+ { [%eval #3] [%clk 0:00:26] } 40... Kh8 { [%eval #3] [%clk 0:00:07] } 41. Re8+ { [%eval #2] [%clk 0:00:28] } 41... Rxe8 { [%eval #2] [%clk 0:00:09] } 42. Qxe8+ { [%eval #1] [%clk 0:00:27] } 1-0