Event: Round 8: Jan Vykouk - David Navara
Date: 2021-09-28
White: Jan Vykouk
Black: David Navara
Result: 0-1
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 0:12:04] } 1... c5 { [%eval 0.32] [%clk 0:12:04] } 2. Nf3 { [%eval 0.0] [%clk 0:11:59] } 2... d6 { [%eval 0.0] [%clk 0:12:05] } 3. d4 { [%eval 0.15] [%clk 0:12:01] } 3... cxd4 { [%eval 0.13] [%clk 0:12:07] } 4. Nxd4 { [%eval 0.0] [%clk 0:12:03] } 4... Nf6 { [%eval 0.14] [%clk 0:12:08] } 5. Nc3 { [%eval 0.18] [%clk 0:12:04] } 5... a6 { [%eval 0.21] [%clk 0:12:10] } 6. Bg5 { [%eval 0.0] [%clk 0:12:02] } 6... Nbd7 { [%eval 0.0] [%clk 0:12:11] } 7. Qe2 { [%eval 0.37] [%clk 0:12:03] } 7... Qc7 { [%eval 0.45] [%clk 0:10:49] } 8. f4 { [%eval 0.18] [%clk 0:11:43] } 8... e6 { [%eval 0.08] [%clk 0:10:49] } 9. O-O-O { [%eval 0.26] [%clk 0:11:43] } 9... b5 { [%eval 0.3] [%clk 0:10:51] } 10. a3 { [%eval 0.14] [%clk 0:11:45] } 10... h6?! { [%eval 0.94] } { Inaccuracy. Be7 was best. } { [%clk 0:10:28] } 11. Bxf6 { [%eval 0.8] [%clk 0:11:35] } 11... Nxf6 { [%eval 0.74] [%clk 0:10:04] } 12. g4 { [%eval 1.02] [%clk 0:11:01] } 12... Rb8 { [%eval 1.1] [%clk 0:07:26] } 13. Bg2 { [%eval 1.1] [%clk 0:10:36] } 13... b4 { [%eval 1.56] [%clk 0:02:56] } 14. axb4 { [%eval 1.41] [%clk 0:10:38] } 14... Rxb4?! { [%eval 2.41] } { Inaccuracy. Be7 was best. } { [%clk 0:02:57] } 15. e5 { [%eval 2.22] [%clk 0:09:00] } 15... dxe5 { [%eval 2.2] [%clk 0:02:59] } 16. fxe5?? { [%eval -1.25] } { Blunder. Nc6 was best. } { [%clk 0:09:02] } 16... Nd7 { [%eval -0.92] [%clk 0:02:52] } 17. Nc6 { [%eval -1.05] [%clk 0:09:04] } 17... Rb6 { [%eval -1.36] [%clk 0:02:46] } 18. Nd5?? { [%eval -4.82] } { Blunder. Qf3 was best. } { [%clk 0:07:00] } 18... exd5 { [%eval -4.62] [%clk 0:02:06] } 19. e6 { [%eval -4.83] [%clk 0:07:02] } 19... Nf6 { [%eval -4.54] [%clk 0:01:22] } 20. exf7+ { [%eval -4.84] [%clk 0:05:30] } 20... Kxf7 { [%eval -4.68] [%clk 0:01:23] } 21. Ne5+ { [%eval -4.87] [%clk 0:02:45] } 21... Kg8 { [%eval -5.31] [%clk 0:01:25] } 22. Rhf1 { [%eval -5.91] [%clk 0:02:47] } 22... Re6 { [%eval -5.5] [%clk 0:00:23] } 23. Bxd5 { [%eval -5.94] } 23... Nxd5 { [%eval -5.78] [%clk 0:00:25] } 24. Rxd5 { [%eval -5.87] [%clk 0:01:43] } 24... Bb7 { [%eval -4.97] [%clk 0:00:24] } 25. Qf2?! { [%eval -8.52] } { Inaccuracy. Rxf8+ was best. } { [%clk 0:00:14] } 25... Bxd5?! { [%eval -5.59] } { Inaccuracy. Rf6 was best. } { [%clk 0:00:15] } 26. Qxf8+ { [%eval -5.39] [%clk 0:00:14] } 26... Kh7 { [%eval -5.63] [%clk 0:00:18] } 27. Qf5+ { [%eval -5.57] [%clk 0:00:16] } 27... g6 { [%eval -5.79] } 28. Nxg6 { [%eval -5.65] [%clk 0:00:18] } 28... Rxg6 { [%eval -5.56] [%clk 0:00:13] } 29. Qxd5 { [%eval -5.47] [%clk 0:00:20] } 29... Rd8 { [%eval -5.46] [%clk 0:00:05] } 30. Rf7+ { [%eval -5.64] [%clk 0:00:07] } 30... Kh8 { [%eval -5.42] [%clk 0:00:07] } 31. Qf5 { [%eval -5.63] [%clk 0:00:05] } 31... Qd6 { [%eval -5.79] [%clk 0:00:08] } 32. b3?? { [%eval #-2] } { Checkmate is now unavoidable. Kb1 was best. } { [%clk 0:00:06] } 32... Qd1+?? { [%eval -5.05] } { Lost forced checkmate sequence. Qa3+ was best. } { [%clk 0:00:07] } 33. Kb2 { [%eval -5.27] [%clk 0:00:08] } 33... Qd4+ { [%eval -5.15] [%clk 0:00:09] } 34. Ka2 { [%eval -4.97] [%clk 0:00:11] } 34... Rg7?! { [%eval -3.16] } { Inaccuracy. Qxg4 was best. } { [%clk 0:00:06] } 35. Rf6 { [%eval -4.09] [%clk 0:00:13] } 35... Rd6 { [%eval -4.27] [%clk 0:00:05] } 36. Rf8+ { [%eval -4.16] [%clk 0:00:13] } 36... Rg8 { [%eval -3.95] [%clk 0:00:07] } 37. Rf7 { [%eval -4.19] [%clk 0:00:15] } 37... Rdg6 { [%eval -4.24] [%clk 0:00:08] } 38. h3 { [%eval -4.63] [%clk 0:00:14] } 38... R8g7 { [%eval -4.82] [%clk 0:00:06] } 39. Rf8+ { [%eval -4.67] [%clk 0:00:15] } 39... Kh7 { [%eval -4.63] [%clk 0:00:08] } 40. Qc8 { [%eval -5.01] [%clk 0:00:17] } 40... Rg8 { [%eval -5.04] [%clk 0:00:06] } 41. Rf7+ { [%eval -4.82] [%clk 0:00:16] } 41... R6g7?! { [%eval -3.79] } { Inaccuracy. R8g7 was best. } { [%clk 0:00:06] } 42. Qf5+ { [%eval -3.25] [%clk 0:00:16] } 42... Kh8 { [%eval -3.52] [%clk 0:00:08] } 43. Rf6 { [%eval -3.54] [%clk 0:00:18] } 43... Qd2 { [%eval -3.51] [%clk 0:00:07] } 44. h4 { [%eval -4.25] [%clk 0:00:16] } 44... Rxg4?! { [%eval -3.09] } { Inaccuracy. Rc7 was best. } { [%clk 0:00:08] } 45. Rf7? { [%eval -5.21] } { Mistake. Rc6 was best. } { [%clk 0:00:10] } 45... R4g7 { [%eval -5.28] [%clk 0:00:10] } 46. Rf6?! { [%eval -7.8] } { Inaccuracy. Rxg7 was best. } { [%clk 0:00:11] } 46... Rc7 { [%eval -8.01] [%clk 0:00:07] } 47. Ka3? { [%eval #-9] } { Checkmate is now unavoidable. Kb2 was best. } { [%clk 0:00:08] } 47... Qc1+ { [%eval #-8] [%clk 0:00:07] } 48. Kb4 { [%eval #-6] [%clk 0:00:09] } 48... Qd2+ { [%eval #-9] [%clk 0:00:06] } 49. Ka3 { [%eval #-9] [%clk 0:00:11] } 49... Qc1+ { [%eval #-8] [%clk 0:00:08] } 50. Kb4 { [%eval #-6] [%clk 0:00:13] } 50... Rb8+ { [%eval #-5] [%clk 0:00:09] } 0-1