Event: World Youth Cup 2021 O14-G14 - Open 14
Site: Tornelo INT
Date: 2021-08-11
White: Koay, Yu Hang
Black: Colev, Ivor
Result: 1-0
ECO: B54
Opening: Sicilian Defense: Prins Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 0:10:03] } 1... c5 { [%eval 0.32] [%clk 0:10:01] } 2. Nf3 { [%eval 0.0] [%clk 0:10:04] } 2... d6 { [%eval 0.0] [%clk 0:10:03] } 3. d4 { [%eval 0.15] [%clk 0:10:05] } 3... cxd4 { [%eval 0.13] [%clk 0:10:04] } 4. Nxd4 { [%eval 0.0] [%clk 0:10:06] } 4... Nf6 { [%eval 0.14] [%clk 0:10:06] } 5. f3 { [%eval 0.0] [%clk 0:10:04] } 5... e6?! { [%eval 0.59] } { Inaccuracy. Nc6 was best. } { [%clk 0:10:08] } 6. c4 { [%eval 0.19] [%clk 0:10:05] } 6... Nc6 { [%eval 0.23] [%clk 0:10:07] } 7. Nc3 { [%eval 0.0] [%clk 0:10:05] } 7... Be7 { [%eval 0.13] [%clk 0:10:09] } 8. Be3 { [%eval 0.39] [%clk 0:10:06] } 8... O-O { [%eval 0.11] [%clk 0:10:11] } 9. Be2 { [%eval -0.06] [%clk 0:10:07] } 9... a6?! { [%eval 0.56] } { Inaccuracy. d5 was best. } { [%clk 0:10:12] } 10. O-O { [%eval 0.73] [%clk 0:10:08] } 10... Qc7 { [%eval 1.18] [%clk 0:10:11] } 11. Qd2 { [%eval 1.04] [%clk 0:10:07] } 11... b6 { [%eval 1.32] [%clk 0:10:04] } 12. Rac1 { [%eval 1.0] [%clk 0:10:08] } 12... Qb7 { [%eval 1.34] [%clk 0:10:00] } 13. Rfd1 { [%eval 1.23] [%clk 0:10:05] } 13... Bd7 { [%eval 1.02] [%clk 0:10:00] } 14. Bf1 { [%eval 0.69] [%clk 0:09:53] } 14... Rac8 { [%eval 1.07] [%clk 0:09:59] } 15. Qf2?! { [%eval 0.27] } { Inaccuracy. b3 was best. } { [%clk 0:09:44] } 15... Ne5?! { [%eval 1.11] } { Inaccuracy. Nxd4 was best. } { [%clk 0:09:37] } 16. b3 { [%eval 1.09] [%clk 0:09:33] } 16... Rb8 { [%eval 1.51] [%clk 0:09:25] } 17. Qd2 { [%eval 1.25] [%clk 0:08:53] } 17... Rfd8 { [%eval 1.0] [%clk 0:09:07] } 18. Qf2 { [%eval 1.1] [%clk 0:08:06] } 18... h6 { [%eval 1.28] [%clk 0:07:53] } 19. Nde2? { [%eval -0.23] } { Mistake. a4 was best. } { [%clk 0:07:10] } 19... b5 { [%eval -0.08] [%clk 0:07:34] } 20. cxb5 { [%eval -0.21] [%clk 0:06:38] } 20... axb5 { [%eval -0.56] [%clk 0:07:34] } 21. b4 { [%eval -0.73] [%clk 0:06:08] } 21... Nc4 { [%eval -0.58] [%clk 0:07:16] } 22. Nd4 { [%eval -0.55] [%clk 0:05:51] } 22... Rdc8 { [%eval -0.57] [%clk 0:06:20] } 23. Bxc4 { [%eval -0.42] [%clk 0:04:32] } 23... Rxc4 { [%eval -0.47] [%clk 0:05:50] } 24. Qb2?! { [%eval -1.02] } { Inaccuracy. Nb3 was best. } { [%clk 0:04:03] } 24... Rbc8?! { [%eval -0.45] } { Inaccuracy. d5 was best. } { [%clk 0:05:18] } 25. Rc2?? { [%eval -3.52] } { Blunder. Nb3 was best. } { [%clk 0:03:36] } 25... e5?? { [%eval -0.53] } { Blunder. d5 was best. } { [%clk 0:04:15] } 26. Nde2?? { [%eval -4.38] } { Blunder. Nb3 was best. } { [%clk 0:03:22] } 26... d5 { [%eval -4.16] [%clk 0:04:10] } 27. exd5 { [%eval -3.88] [%clk 0:02:46] } 27... Bxb4 { [%eval -4.11] [%clk 0:03:59] } 28. a3 { [%eval -4.13] [%clk 0:02:16] } 28... Bxc3?? { [%eval -0.7] } { Blunder. Bd6 was best. } { [%clk 0:04:01] } 29. Rxc3 { [%eval -0.75] [%clk 0:02:08] } 29... Nxd5?! { [%eval -0.08] } { Inaccuracy. e4 was best. } { [%clk 0:03:23] } 30. Rxc4 { [%eval 0.0] [%clk 0:02:02] } 30... Rxc4 { [%eval 0.0] [%clk 0:03:22] } 31. Qxe5 { [%eval 0.0] [%clk 0:01:34] } 31... Nxe3 { [%eval -0.08] [%clk 0:03:11] } 32. Qxe3 { [%eval 0.0] [%clk 0:01:34] } 32... Qc6 { [%eval 0.0] [%clk 0:02:40] } 33. Qd3 { [%eval -0.09] [%clk 0:01:08] } 33... Be6 { [%eval 0.0] [%clk 0:02:14] } 34. Qd8+ { [%eval 0.0] [%clk 0:00:47] } 34... Kh7 { [%eval 0.0] [%clk 0:02:13] } 35. Qd3+ { [%eval 0.0] [%clk 0:00:49] } 35... f5 { [%eval 0.0] [%clk 0:02:03] } 36. Qd6 { [%eval 0.0] [%clk 0:00:24] } 36... Qxd6 { [%eval 0.09] [%clk 0:01:45] } 37. Rxd6 { [%eval 0.1] [%clk 0:00:27] } 37... Bc8 { [%eval 0.12] [%clk 0:01:38] } 38. Nd4 { [%eval 0.04] [%clk 0:00:16] } 38... Rc5 { [%eval 0.23] [%clk 0:01:23] } 39. Rb6 { [%eval 0.13] [%clk 0:00:13] } 39... Bd7 { [%eval 0.17] [%clk 0:01:24] } 40. Rb7 { [%eval 0.05] [%clk 0:00:14] } 40... Rd5 { [%eval 0.01] [%clk 0:01:26] } 41. Nb3 { [%eval 0.0] [%clk 0:00:13] } 41... Kg6 { [%eval 0.0] [%clk 0:01:17] } 42. Kf2 { [%eval 0.0] [%clk 0:00:14] } 42... f4 { [%eval 0.0] [%clk 0:01:14] } 43. g3 { [%eval 0.0] [%clk 0:00:13] } 43... fxg3+ { [%eval 0.0] [%clk 0:01:13] } 44. hxg3 { [%eval 0.02] [%clk 0:00:14] } 44... Kf6 { [%eval 0.02] [%clk 0:01:14] } 45. Rb6+ { [%eval 0.0] [%clk 0:00:15] } 45... Ke7 { [%eval 0.0] [%clk 0:01:13] } 46. Ke3 { [%eval 0.0] [%clk 0:00:14] } 46... Bf5 { [%eval 0.01] [%clk 0:00:56] } 47. Nd4 { [%eval 0.0] [%clk 0:00:15] } 47... Bd7 { [%eval 0.0] [%clk 0:00:57] } 48. Rb7 { [%eval 0.0] [%clk 0:00:13] } 48... Kd6 { [%eval 0.0] [%clk 0:00:54] } 49. Ke4 { [%eval 0.0] [%clk 0:00:09] } 49... Re5+ { [%eval 0.0] [%clk 0:00:38] } 50. Kd3 { [%eval 0.0] [%clk 0:00:08] } 50... Rd5 { [%eval 0.0] [%clk 0:00:26] } 51. Ke4 { [%eval 0.0] [%clk 0:00:09] } 51... Re5+ { [%eval 0.0] [%clk 0:00:22] } 52. Kd3 { [%eval 0.0] [%clk 0:00:11] } 52... Rc5 { [%eval 0.0] [%clk 0:00:11] } 53. Ke4 { [%eval 0.0] [%clk 0:00:09] } 53... Rc4 { [%eval 0.0] [%clk 0:00:09] } 54. Kd3 { [%eval 0.0] [%clk 0:00:06] } 54... g5 { [%eval 0.03] [%clk 0:00:11] } 55. Nxb5+ { [%eval 0.02] [%clk 0:00:05] } 55... Bxb5 { [%eval 0.01] [%clk 0:00:11] } 56. Rxb5 { [%eval 0.01] [%clk 0:00:06] } 56... Ra4 { [%eval 0.01] [%clk 0:00:12] } 57. Rb6+ { [%eval 0.04] [%clk 0:00:08] } 57... Kc5 { [%eval 0.51] [%clk 0:00:14] } 58. Rxh6 { [%eval 0.74] [%clk 0:00:10] } 58... Rxa3+?? { [%eval 4.97] } { Blunder. g4 was best. } { [%clk 0:00:16] } 59. Ke4 { [%eval 5.33] [%clk 0:00:12] } 59... Rc3 { [%eval 5.93] [%clk 0:00:13] } 60. Rg6 { [%eval 5.94] [%clk 0:00:12] } 60... Rc4+ { [%eval 6.87] [%clk 0:00:12] } 61. Kd3 { [%eval 6.18] [%clk 0:00:14] } 61... Rd4+ { [%eval 6.62] [%clk 0:00:13] } 62. Ke3 { [%eval 6.63] [%clk 0:00:15] } 62... Rd5 { [%eval 6.68] [%clk 0:00:15] } 63. Ke4 { [%eval 6.75] [%clk 0:00:14] } 63... Rd4+ { [%eval 6.85] [%clk 0:00:11] } 64. Ke5 { [%eval 6.85] [%clk 0:00:16] } 64... Rd5+ { [%eval 7.33] [%clk 0:00:13] } 65. Kf6 { [%eval 7.01] [%clk 0:00:16] } 65... Kd4 { [%eval 7.59] [%clk 0:00:12] } 66. Rxg5 { [%eval 7.59] [%clk 0:00:16] } 66... Rd6+ { [%eval 7.18] [%clk 0:00:13] } 67. Ke7 { [%eval 7.74] [%clk 0:00:17] } 67... Rh6 { [%eval 8.33] [%clk 0:00:11] } 68. f4 { [%eval 7.89] [%clk 0:00:17] } 68... Ke4 { [%eval 8.56] [%clk 0:00:12] } 69. f5 { [%eval 8.36] [%clk 0:00:12] } 69... Ra6 { [%eval 53.11] [%clk 0:00:06] } 70. f6 { [%eval 10.37] [%clk 0:00:13] } 70... Ra7+ { [%eval 8.86] [%clk 0:00:06] } 71. Kf8 { [%eval 9.23] [%clk 0:00:15] } 71... Rb7 { [%eval 55.71] [%clk 0:00:07] } 72. f7 { [%eval 61.74] [%clk 0:00:17] } 72... Rb1 { [%eval 66.37] [%clk 0:00:06] } 73. Kg8 { [%eval 66.02] [%clk 0:00:18] } 73... Rf1?! { [%eval #27] } { Checkmate is now unavoidable. Rb8+ was best. } { [%clk 0:00:08] } 74. f8=Q { [%eval #13] [%clk 0:00:19] } 74... Rxf8+ { [%eval 66.25] [%clk 0:00:09] } 75. Kxf8 { [%eval #13] [%clk 0:00:22] } 75... Ke3 { [%eval #13] [%clk 0:00:10] } 76. Rf5 { [%eval #11] [%clk 0:00:24] } 76... Ke4 { [%eval #11] [%clk 0:00:11] } 77. Rf7 { [%eval #10] [%clk 0:00:27] } 77... Ke5 { [%eval #10] [%clk 0:00:12] } 78. g4 { [%eval #9] [%clk 0:00:30] } 78... Ke6 { [%eval #9] [%clk 0:00:13] } 79. g5 { [%eval #8] [%clk 0:00:33] } 79... Ke5 { [%eval #8] [%clk 0:00:15] } 80. g6 { [%eval #7] [%clk 0:00:36] } 80... Ke6?? { [%eval #7] } { Checkmate is now unavoidable. Kd4 was best. } { [%clk 0:00:17] } 81. g7 { [%eval #6] [%clk 0:00:39] } 81... Ke5 { [%eval #6] [%clk 0:00:19] } 82. g8=Q { [%eval #5] [%clk 0:00:42] } 82... Ke4 { [%eval #5] [%clk 0:00:21] } 83. Qg4+ { [%eval #4] [%clk 0:00:43] } 83... Ke5 { [%eval #4] [%clk 0:00:22] } 84. Rf5+ { [%eval #3] [%clk 0:00:45] } 84... Kd6 { [%eval #3] [%clk 0:00:24] } 85. Qg6+ { [%eval #3] [%clk 0:00:47] } 85... Kd7 { [%eval #2] [%clk 0:00:26] } 86. Rf7+ { [%eval #2] [%clk 0:00:49] } 86... Kd8 { [%eval #2] [%clk 0:00:27] } 87. Qd6+ { [%eval #1] [%clk 0:00:51] } 87... Kc8 { [%clk 0:00:26] } 88. Qc7# { [%clk 0:00:54] } 1-0