Event: Online_Olympiad_QF4
Site: Chess.com
Date: 2021-09-13
White: Cervantes Landeiro, Thalia
WhiteElo: 2429
Black: Assaubayeva, Bibisara
BlackElo: 2621
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation
Variant: Standard
TimeControl: 180+2

1. d4 { [%eval 0.0] [%clk 0:03:01] } 1... Nf6 { [%eval 0.27] [%clk 0:03:00] } 2. c4 { [%eval 0.11] [%clk 0:03:02] } 2... g6 { [%eval 0.3] [%clk 0:03:01] } 3. Nc3 { [%eval 0.17] [%clk 0:03:01] } 3... Bg7 { [%eval 0.48] [%clk 0:03:02] } 4. e4 { [%eval 0.67] [%clk 0:03:02] } 4... d6 { [%eval 0.43] [%clk 0:03:03] } 5. f3 { [%eval 0.39] [%clk 0:03:03] } 5... O-O { [%eval 0.47] [%clk 0:03:04] } 6. Nge2 { [%eval 0.14] [%clk 0:03:04] } 6... c5 { [%eval 0.39] [%clk 0:03:05] } 7. Be3 { [%eval 0.29] [%clk 0:03:05] } 7... Nc6 { [%eval 0.34] [%clk 0:03:06] } 8. d5 { [%eval 0.44] [%clk 0:03:06] } 8... Ne5 { [%eval 0.79] [%clk 0:03:07] } 9. Ng3 { [%eval 0.66] [%clk 0:03:07] } 9... e6 { [%eval 0.74] [%clk 0:03:08] } 10. Be2 { [%eval 0.7] [%clk 0:03:08] } 10... exd5 { [%eval 0.87] [%clk 0:03:09] } 11. cxd5 { [%eval 0.83] [%clk 0:03:09] } 11... h5 { [%eval 0.64] [%clk 0:03:09] } 12. O-O { [%eval 1.11] [%clk 0:03:07] } 12... a6 { [%eval 0.54] [%clk 0:03:08] } 13. a4 { [%eval 0.54] [%clk 0:03:07] } 13... h4?! { [%eval 1.37] } { Inaccuracy. Bd7 was best. } { [%clk 0:03:06] } 14. Nh1 { [%eval 1.32] [%clk 0:03:07] } 14... Rb8 { [%eval 1.13] [%clk 0:03:03] } 15. Nf2 { [%eval 0.68] [%clk 0:02:38] } 15... b5 { [%eval 0.5] [%clk 0:02:54] } 16. axb5 { [%eval 0.48] [%clk 0:02:14] } 16... axb5 { [%eval 0.34] [%clk 0:02:56] } 17. Nxb5 { [%eval 0.56] [%clk 0:02:13] } 17... Qb6?? { [%eval 2.53] } { Blunder. h3 was best. } { [%clk 0:02:26] } 18. f4?? { [%eval 0.34] } { Blunder. b4 was best. } { [%clk 0:01:54] } 18... Ned7?? { [%eval 2.16] } { Blunder. Nfg4 was best. } { [%clk 0:02:24] } 19. Rb1?? { [%eval 0.26] } { Blunder. Bc4 was best. } { [%clk 0:01:48] } 19... Re8?! { [%eval 1.09] } { Inaccuracy. Ba6 was best. } { [%clk 0:02:04] } 20. Nc3 { [%eval 0.93] [%clk 0:01:31] } 20... Qa5 { [%eval 1.24] [%clk 0:01:46] } 21. Bd3 { [%eval 1.03] [%clk 0:01:08] } 21... Nh5? { [%eval 2.37] } { Mistake. Rb4 was best. } { [%clk 0:01:37] } 22. e5 { [%eval 1.98] [%clk 0:00:59] } 22... dxe5 { [%eval 2.08] [%clk 0:01:28] } 23. f5 { [%eval 2.25] [%clk 0:00:59] } 23... Nf4?! { [%eval 2.98] } { Inaccuracy. e4 was best. } { [%clk 0:00:45] } 24. Bxf4 { [%eval 2.99] [%clk 0:00:54] } 24... exf4 { [%eval 2.95] [%clk 0:00:47] } 25. fxg6 { [%eval 3.03] [%clk 0:00:55] } 25... fxg6 { [%eval 3.09] [%clk 0:00:48] } 26. Bxg6 { [%eval 3.31] [%clk 0:00:55] } 26... Rf8?! { [%eval 5.07] } { Inaccuracy. Re5 was best. } { [%clk 0:00:50] } 27. Qh5 { [%eval 5.06] [%clk 0:00:40] } 27... Nf6 { [%eval 5.0] [%clk 0:00:49] } 28. Qxh4 { [%eval 5.1] [%clk 0:00:41] } 28... Ba6?! { [%eval 7.02] } { Inaccuracy. Rxb2 was best. } { [%clk 0:00:29] } 29. Rfe1 { [%eval 6.71] [%clk 0:00:29] } 29... Qc7 { [%eval 7.84] [%clk 0:00:23] } 30. Ng4 { [%eval 7.62] [%clk 0:00:25] } 30... f3 { [%eval 7.97] [%clk 0:00:17] } 31. Ne4 { [%eval 7.99] [%clk 0:00:20] } 31... Rb6 { [%eval 8.73] [%clk 0:00:13] } 32. d6 { [%eval 9.27] [%clk 0:00:18] } 32... Rxd6 { [%eval 9.88] [%clk 0:00:12] } 33. Nxd6 { [%eval 9.61] [%clk 0:00:19] } 33... Qxd6? { [%eval #3] } { Checkmate is now unavoidable. f2+ was best. } { [%clk 0:00:14] } 34. gxf3? { [%eval 7.62] } { Lost forced checkmate sequence. Nxf6+ was best. } { [%clk 0:00:19] } 34... Qd4+ { [%eval 8.03] [%clk 0:00:08] } 35. Kh1 { [%eval 8.24] [%clk 0:00:19] } 35... Bb5 { [%eval 11.96] [%clk 0:00:07] } 36. Nxf6+ { [%eval 9.42] [%clk 0:00:19] } 36... Rxf6 { [%eval 8.75] [%clk 0:00:07] } 37. Qxd4? { [%eval 4.03] } { Mistake. Qh7+ was best. } { [%clk 0:00:18] } 37... cxd4 { [%eval 4.49] [%clk 0:00:09] } 38. Be4 { [%eval 4.32] [%clk 0:00:19] } 38... d3 { [%eval 4.61] [%clk 0:00:10] } 39. Rbd1 { [%eval 4.38] [%clk 0:00:20] } 39... Rd6 { [%eval 4.47] [%clk 0:00:11] } 40. Kg2?? { [%eval 1.19] } { Blunder. Rg1 was best. } { [%clk 0:00:21] } 40... Bxb2 { [%eval 1.37] [%clk 0:00:11] } 41. Rb1 { [%eval 1.23] [%clk 0:00:20] } 41... d2 { [%eval 1.26] [%clk 0:00:11] } 42. Rg1?! { [%eval 0.62] } { Inaccuracy. Rh1 was best. } { [%clk 0:00:15] } 42... Bd4?? { [%eval 4.79] } { Blunder. Ba3 was best. } { [%clk 0:00:08] } 43. Rgd1 { [%eval 4.88] [%clk 0:00:15] } 43... Ba4 { [%eval 4.8] [%clk 0:00:06] } 44. Rxd2 { [%eval 4.79] [%clk 0:00:16] } 44... Be5 { [%eval 4.89] [%clk 0:00:03] } 45. Rxd6 { [%eval 4.66] [%clk 0:00:16] } 45... Bxd6 { [%eval 4.65] [%clk 0:00:05] } 46. Rb6 { [%eval 4.84] [%clk 0:00:15] } 46... Bf8 { [%eval 4.86] [%clk 0:00:06] } 47. Rb8 { [%eval 4.68] [%clk 0:00:16] } 47... Kg7 { [%eval 4.88] [%clk 0:00:06] } 48. Bd5 { [%eval 4.62] [%clk 0:00:16] } 48... Bc2 { [%eval 5.19] [%clk 0:00:06] } 49. Rb7+ { [%eval 5.31] [%clk 0:00:17] } 49... Kg6 { [%eval 5.56] [%clk 0:00:06] } 50. Be4+ { [%eval 6.07] [%clk 0:00:17] } 50... Bxe4?! { [%eval 8.88] } { Inaccuracy. Kf6 was best. } { [%clk 0:00:06] } 51. fxe4 { [%eval 9.03] [%clk 0:00:19] } 51... Bd6? { [%eval #15] } { Checkmate is now unavoidable. Kf6 was best. } { [%clk 0:00:08] } 52. h3? { [%eval 9.23] } { Lost forced checkmate sequence. Rb6 was best. } { [%clk 0:00:20] } 52... Kg5 { [%eval 10.82] [%clk 0:00:08] } 53. Kf3 { [%eval 9.95] [%clk 0:00:21] } 53... Bh2 { [%eval 12.39] [%clk 0:00:09] } 54. Rb5+ { [%eval 11.9] [%clk 0:00:22] } 54... Kh4 { [%eval 55.22] [%clk 0:00:10] } 55. Kg2 { [%eval 66.37] [%clk 0:00:21] } 55... Bf4 { [%eval 54.01] [%clk 0:00:10] } 56. e5 { [%eval 7.18] [%clk 0:00:21] } 56... Kg5 { [%eval 55.25] [%clk 0:00:11] } 57. Kf3 { [%eval 54.9] [%clk 0:00:21] } 57... Bh2 { [%eval 55.75] [%clk 0:00:12] } 58. Ke4 { [%eval 60.54] [%clk 0:00:21] } 58... Kg6?! { [%eval #11] } { Checkmate is now unavoidable. Bg1 was best. } { [%clk 0:00:13] } 59. Kd5?! { [%eval 16.12] } { Lost forced checkmate sequence. Rb2 was best. } { [%clk 0:00:22] } 59... Kf7 { [%eval 53.21] [%clk 0:00:14] } 60. Rb7+ { [%eval 60.12] [%clk 0:00:22] } 60... Ke8 { [%eval 61.7] [%clk 0:00:16] } 61. Ke6 { [%eval 54.51] [%clk 0:00:23] } 61... Kd8 { [%eval 60.11] [%clk 0:00:17] } 62. h4 { [%eval 55.58] [%clk 0:00:22] } 62... Bg3 { [%eval 65.8] [%clk 0:00:18] } 63. h5 { [%eval 53.76] [%clk 0:00:22] } 63... Bf4 { [%eval 60.62] [%clk 0:00:20] } 64. Rf7 { [%eval 54.82] [%clk 0:00:22] } 64... Be3 { [%eval 73.03] [%clk 0:00:19] } 65. Rf8+ { [%eval 67.21] [%clk 0:00:22] } 65... Kc7 { [%eval 64.47] [%clk 0:00:20] } 66. Kf7 { [%eval 67.01] [%clk 0:00:22] } 1-0