Event: Open
Site: Warsaw, Poland
Date: 2021-12-30
White: Onyshchuk, Volodymyr
WhiteElo: 2657
Black: Petrosian, Tigran L.
BlackElo: 2602
Result: 1-0
ECO: B09
Opening: Pirc Defense: Austrian Attack, Unzicker Attack
Variant: Standard

1. e4 { [%eval 0.0] [%clk 0:03:03] } 1... g6?! { [%eval 0.71] } { Inaccuracy. c5 was best. } { [%clk 0:03:03] } 2. d4 { [%eval 0.68] [%clk 0:03:04] } 2... Bg7 { [%eval 0.69] [%clk 0:03:05] } 3. Nc3 { [%eval 0.47] [%clk 0:03:04] } 3... d6 { [%eval 0.6] [%clk 0:03:05] } 4. f4 { [%eval 0.55] [%clk 0:03:03] } 4... Nf6 { [%eval 0.52] [%clk 0:02:59] } 5. Nf3 { [%eval 0.44] [%clk 0:03:03] } 5... O-O { [%eval 0.67] [%clk 0:03:00] } 6. e5 { [%eval 0.28] [%clk 0:03:03] } 6... dxe5 { [%eval 0.0] [%clk 0:03:00] } 7. dxe5 { [%eval 0.17] [%clk 0:03:04] } 7... Qxd1+ { [%eval 0.14] [%clk 0:03:01] } 8. Nxd1 { [%eval 0.28] [%clk 0:03:04] } 8... Nh5?! { [%eval 1.24] } { Inaccuracy. Nd5 was best. } { [%clk 0:02:58] } 9. Nf2 { [%eval 1.43] [%clk 0:02:59] } 9... f6 { [%eval 1.23] [%clk 0:02:38] } 10. Bc4+ { [%eval 1.5] [%clk 0:02:42] } 10... Kh8 { [%eval 1.33] [%clk 0:02:39] } 11. O-O { [%eval 1.32] [%clk 0:02:10] } 11... Nc6 { [%eval 1.53] [%clk 0:02:10] } 12. exf6 { [%eval 1.2] [%clk 0:01:59] } 12... Nxf6 { [%eval 1.28] [%clk 0:02:10] } 13. c3 { [%eval 1.13] [%clk 0:01:51] } 13... Na5 { [%eval 1.15] [%clk 0:02:03] } 14. Be2 { [%eval 1.25] [%clk 0:01:49] } 14... Be6 { [%eval 0.96] [%clk 0:01:57] } 15. g3 { [%eval 0.64] [%clk 0:01:43] } 15... Rad8 { [%eval 0.89] [%clk 0:01:55] } 16. Re1 { [%eval 0.89] [%clk 0:01:39] } 16... Bd5 { [%eval 0.58] [%clk 0:01:53] } 17. Ne5 { [%eval 0.45] [%clk 0:01:35] } 17... Nd7 { [%eval 0.41] [%clk 0:01:44] } 18. Nfg4 { [%eval 0.47] [%clk 0:01:27] } 18... Nxe5 { [%eval 0.43] [%clk 0:01:39] } 19. Nxe5 { [%eval 0.36] [%clk 0:01:28] } 19... Nc6 { [%eval 0.32] [%clk 0:01:09] } 20. Nxc6 { [%eval 0.32] [%clk 0:01:28] } 20... Bxc6 { [%eval 0.25] [%clk 0:01:10] } 21. Be3 { [%eval 0.47] [%clk 0:01:29] } 21... e5 { [%eval 0.6] [%clk 0:01:08] } 22. Rad1 { [%eval 0.36] [%clk 0:01:29] } 22... a6 { [%eval 0.82] [%clk 0:01:02] } 23. Bf1?! { [%eval 0.22] } { Inaccuracy. fxe5 was best. } { [%clk 0:01:12] } 23... Kg8?? { [%eval 3.21] } { Blunder. Rxd1 was best. } { [%clk 0:00:26] } 24. Bc4+ { [%eval 3.07] [%clk 0:01:08] } 24... Kh8 { [%eval 3.06] [%clk 0:00:27] } 25. Rxd8 { [%eval 3.36] [%clk 0:01:08] } 25... Rxd8 { [%eval 3.22] [%clk 0:00:29] } 26. fxe5 { [%eval 3.1] [%clk 0:01:09] } 26... Bf8? { [%eval 5.44] } { Mistake. b5 was best. } { [%clk 0:00:13] } 27. e6?! { [%eval 3.56] } { Inaccuracy. Rf1 was best. } { [%clk 0:01:05] } 27... Re8? { [%eval 7.41] } { Mistake. b5 was best. } { [%clk 0:00:15] } 28. Bd4+ { [%eval 6.58] [%clk 0:01:03] } 28... Bg7 { [%eval 6.45] [%clk 0:00:16] } 29. Rf1 { [%eval 6.66] [%clk 0:00:56] } 29... Bb5 { [%eval 6.33] [%clk 0:00:15] } 30. Bxg7+ { [%eval 6.27] [%clk 0:00:53] } 30... Kxg7 { [%eval 6.57] [%clk 0:00:16] } 31. Rf7+ { [%eval 6.6] [%clk 0:00:54] } 31... Kh6 { [%eval 7.28] [%clk 0:00:12] } 32. Bb3 { [%eval 6.47] [%clk 0:00:55] } 32... Rd8 { [%eval 7.1] [%clk 0:00:07] } 33. Rxc7 { [%eval 6.84] [%clk 0:00:52] } 33... Rd2 { [%eval 6.75] [%clk 0:00:07] } 34. Rxb7 { [%eval 7.17] [%clk 0:00:47] } 34... Kg5 { [%eval 8.83] [%clk 0:00:07] } 35. Rf7 { [%eval 7.81] [%clk 0:00:46] } 35... a5 { [%eval 7.61] [%clk 0:00:05] } 36. Rf4 { [%eval 6.96] [%clk 0:00:45] } 36... Rxb2 { [%eval 6.74] [%clk 0:00:04] } 37. h4+ { [%eval 6.35] [%clk 0:00:45] } 37... Kh6 { [%eval 7.69] } 38. Rf2?? { [%eval 2.97] } { Blunder. g4 was best. } { [%clk 0:00:44] } 38... Rb1+ { [%eval 3.36] [%clk 0:00:07] } 39. Kh2 { [%eval 3.21] [%clk 0:00:45] } 39... Bc6 { [%eval 3.22] [%clk 0:00:08] } 40. g4 { [%eval 3.25] [%clk 0:00:45] } 40... g5? { [%eval 6.68] } { Mistake. Rh1+ was best. } { [%clk 0:00:05] } 41. Rf6+ { [%eval 6.98] [%clk 0:00:46] } 41... Kg7 { [%eval 6.85] [%clk 0:00:06] } 42. hxg5 { [%eval 7.0] [%clk 0:00:47] } 42... a4 { [%eval 7.12] [%clk 0:00:06] } 43. Bc4 { [%eval 6.61] [%clk 0:00:44] } 43... Rc1 { [%eval 9.4] [%clk 0:00:07] } 44. e7 { [%eval 9.59] [%clk 0:00:44] } 44... Bd7 { [%eval 10.15] [%clk 0:00:07] } 45. Be6 { [%eval 8.62] [%clk 0:00:44] } 45... Bc6 { [%eval 10.96] [%clk 0:00:04] } 46. Bf5 { [%eval 7.81] [%clk 0:00:37] } 46... Bb5 { [%eval 9.21] [%clk 0:00:04] } 47. Rb6 { [%eval 8.23] [%clk 0:00:37] } 47... Be8 { [%eval 8.29] [%clk 0:00:05] } 48. Rh6 { [%eval 8.71] [%clk 0:00:34] } 48... Re1 { [%eval 8.68] [%clk 0:00:04] } 49. Rxh7+ { [%eval 8.4] [%clk 0:00:34] } 49... Kg8 { [%eval 8.44] [%clk 0:00:06] } 50. Kg3 { [%eval 8.9] [%clk 0:00:35] } 50... Re3+ { [%eval 12.24] [%clk 0:00:05] } 51. Kf4 { [%eval 11.57] [%clk 0:00:36] } 51... Rxc3 { [%eval 73.47] [%clk 0:00:06] } 52. g6 { [%eval 61.27] [%clk 0:00:36] } 52... Rc6 { [%eval 17.72] [%clk 0:00:05] } 53. Kg5 { [%eval 15.02] [%clk 0:00:36] } 53... a3 { [%eval 8.32] [%clk 0:00:05] } 54. g7 { [%eval 8.35] [%clk 0:00:34] } 54... Bg6? { [%eval #27] } { Checkmate is now unavoidable. Bf7 was best. } { [%clk 0:00:05] } 55. e8=Q+? { [%eval 8.58] } { Lost forced checkmate sequence. Rh6 was best. } { [%clk 0:00:26] } 55... Bxe8 { [%eval 8.73] [%clk 0:00:06] } 56. Rh8+ { [%eval 8.5] [%clk 0:00:27] } 56... Kxg7 { [%eval 8.48] [%clk 0:00:07] } 57. Rxe8 { [%eval 9.13] [%clk 0:00:27] } 1-0