Event: FIDE World Cup
Site: chess24.com
Date: 2021-07-14
White: Cheng, Bobby
WhiteTitle: GM
WhiteElo: 2552
Black: Sanal, Vahap
BlackTitle: GM
BlackElo: 2546
Result: 1-0
ECO: E11
Opening: Bogo-Indian Defense: Grünfeld Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:25:18] } 1... Nf6 { [%eval 0.19] [%clk 0:25:16] } 2. c4 { [%eval 0.11] [%clk 0:25:26] } 2... e6 { [%eval 0.39] [%clk 0:25:25] } 3. Nf3 { [%eval 0.0] [%clk 0:25:34] } 3... Bb4+ { [%eval 0.25] [%clk 0:25:33] } 4. Nbd2 { [%eval 0.28] [%clk 0:25:39] } 4... O-O { [%eval 0.43] [%clk 0:25:40] } 5. a3 { [%eval 0.43] [%clk 0:25:28] } 5... Be7 { [%eval 0.62] [%clk 0:25:48] } 6. e4 { [%eval 0.32] [%clk 0:25:35] } 6... d6 { [%eval 0.58] [%clk 0:25:56] } 7. Be2 { [%eval 0.74] [%clk 0:25:41] } 7... Nfd7 { [%eval 0.56] [%clk 0:26:04] } 8. O-O { [%eval 0.18] [%clk 0:25:30] } 8... e5 { [%eval 0.63] [%clk 0:26:12] } 9. Nb1 { [%eval 0.22] [%clk 0:24:42] } 9... exd4 { [%eval 0.18] [%clk 0:25:25] } 10. Nxd4 { [%eval 0.36] [%clk 0:24:51] } 10... Nc5 { [%eval 0.18] [%clk 0:25:20] } 11. Nc3 { [%eval 0.0] [%clk 0:25:00] } 11... a5? { [%eval 1.19] } { Mistake. Bf6 was best. } { [%clk 0:24:29] } 12. Be3 { [%eval 0.95] [%clk 0:24:38] } 12... Bf6 { [%eval 1.17] [%clk 0:24:11] } 13. Qc2 { [%eval 1.0] [%clk 0:24:36] } 13... Nc6 { [%eval 1.15] [%clk 0:22:24] } 14. Ndb5 { [%eval 0.88] [%clk 0:24:37] } 14... Bxc3 { [%eval 1.23] [%clk 0:20:53] } 15. Nxc3 { [%eval 1.11] [%clk 0:24:43] } 15... Re8 { [%eval 1.55] [%clk 0:20:21] } 16. Rad1 { [%eval 1.73] [%clk 0:24:33] } 16... b6 { [%eval 2.21] [%clk 0:20:27] } 17. f4 { [%eval 1.95] [%clk 0:24:04] } 17... Bb7 { [%eval 2.59] [%clk 0:19:48] } 18. Bf3 { [%eval 2.03] [%clk 0:24:13] } 18... Qc8 { [%eval 1.97] [%clk 0:19:10] } 19. Rfe1 { [%eval 2.5] [%clk 0:23:56] } 19... a4 { [%eval 2.19] [%clk 0:18:41] } 20. Nd5 { [%eval 1.9] [%clk 0:22:12] } 20... Na5?! { [%eval 2.9] } { Inaccuracy. f6 was best. } { [%clk 0:16:46] } 21. e5?! { [%eval 2.22] } { Inaccuracy. h3 was best. } { [%clk 0:22:20] } 21... dxe5 { [%eval 2.66] [%clk 0:15:39] } 22. fxe5 { [%eval 2.69] [%clk 0:22:29] } 22... Nc6 { [%eval 2.56] [%clk 0:14:45] } 23. Bf4 { [%eval 2.53] [%clk 0:20:24] } 23... Ne6 { [%eval 2.43] [%clk 0:12:26] } 24. Bg4 { [%eval 2.39] [%clk 0:20:33] } 24... Ne7?! { [%eval 3.32] } { Inaccuracy. Ncd4 was best. } { [%clk 0:11:54] } 25. Rf1 { [%eval 3.12] [%clk 0:17:29] } 25... Ng6 { [%eval 3.12] [%clk 0:11:40] } 26. Bg3 { [%eval 3.6] [%clk 0:17:32] } 26... b5 { [%eval 3.64] [%clk 0:05:14] } 27. cxb5 { [%eval 3.64] [%clk 0:17:40] } 27... Bxd5 { [%eval 3.51] [%clk 0:03:33] } 28. Rxd5 { [%eval 3.57] [%clk 0:17:49] } 28... Qb7 { [%eval 3.4] [%clk 0:02:52] } 29. Qc4 { [%eval 3.49] [%clk 0:16:37] } 29... Qa7+ { [%eval 4.2] [%clk 0:02:22] } 30. Kh1 { [%eval 4.24] [%clk 0:16:13] } 30... Re7 { [%eval 4.89] [%clk 0:01:42] } 31. Rd3 { [%eval 4.23] [%clk 0:13:10] } 31... Rf8?! { [%eval 5.53] } { Inaccuracy. Rb8 was best. } { [%clk 0:01:39] } 32. h4 { [%eval 5.35] [%clk 0:13:13] } 32... Rb8 { [%eval 6.96] [%clk 0:00:17] } 33. h5?! { [%eval 4.77] } { Inaccuracy. Bxe6 was best. } { [%clk 0:12:50] } 33... Ngf8 { [%eval 4.4] [%clk 0:00:25] } 34. Rd5 { [%eval 4.29] [%clk 0:08:33] } 34... h6 { [%eval 4.17] [%clk 0:00:28] } 35. Kh2 { [%eval 3.95] [%clk 0:07:18] } 35... Nh7? { [%eval 8.01] } { Mistake. Ree8 was best. } { [%clk 0:00:34] } 36. Rxf7 { [%eval 7.75] [%clk 0:06:22] } 36... Kxf7 { [%eval 8.41] [%clk 0:00:12] } 37. Bxe6+ { [%eval 8.0] [%clk 0:06:30] } 37... Ke8 { [%eval 11.61] [%clk 0:00:11] } 38. Bf5 { [%eval 9.63] [%clk 0:04:36] } 38... Ng5? { [%eval #3] } { Checkmate is now unavoidable. Nf8 was best. } { [%clk 0:00:16] } 39. Rd8+ { [%eval #2] [%clk 0:03:12] } 39... Kxd8 { [%eval #2] [%clk 0:00:17] } 40. Qd5+ { [%eval #1] [%clk 0:03:21] } 1-0