Event: World Youth Cup 2021 O16-G12 - Open 16
Site: Tornelo INT
Date: 2021-08-16
White: Ong, Yi Herng Joel
Black: Amarathunga, Kosala Sandeepa Chamikara
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:10:03] } 1... Nf6 { [%eval 0.19] [%clk 0:09:58] } 2. Nf3 { [%eval 0.12] [%clk 0:10:03] } 2... e6 { [%eval 0.0] [%clk 0:09:55] } 3. c4 { [%eval 0.0] [%clk 0:10:04] } 3... d5 { [%eval 0.2] [%clk 0:09:54] } 4. Nc3 { [%eval 0.0] [%clk 0:10:05] } 4... Bb4 { [%eval 0.18] [%clk 0:09:54] } 5. Bg5 { [%eval 0.09] [%clk 0:10:06] } 5... h6 { [%eval 0.18] [%clk 0:09:48] } 6. Bxf6 { [%eval 0.4] [%clk 0:10:07] } 6... Qxf6 { [%eval 0.27] [%clk 0:09:48] } 7. e3 { [%eval 0.14] [%clk 0:09:54] } 7... O-O { [%eval 0.13] [%clk 0:09:46] } 8. Rc1 { [%eval 0.25] [%clk 0:09:55] } 8... Nc6 { [%eval 0.28] [%clk 0:09:37] } 9. Bd3 { [%eval 0.25] [%clk 0:08:06] } 9... dxc4 { [%eval 0.1] [%clk 0:09:30] } 10. Bxc4 { [%eval 0.15] [%clk 0:08:08] } 10... e5 { [%eval 0.5] [%clk 0:09:29] } 11. d5 { [%eval 0.12] [%clk 0:08:05] } 11... Ne7 { [%eval 0.35] [%clk 0:09:25] } 12. Qb3 { [%eval 0.51] [%clk 0:07:57] } 12... Bd6 { [%eval 0.73] [%clk 0:09:20] } 13. O-O?! { [%eval 0.17] } { Inaccuracy. Bd3 was best. } { [%clk 0:06:44] } 13... Qg6 { [%eval 0.4] [%clk 0:09:00] } 14. e4?! { [%eval -0.6] } { Inaccuracy. Rfd1 was best. } { [%clk 0:06:05] } 14... f5?? { [%eval 2.3] } { Blunder. Bh3 was best. } { [%clk 0:08:32] } 15. exf5? { [%eval 0.66] } { Mistake. Nxe5 was best. } { [%clk 0:06:00] } 15... Nxf5 { [%eval 0.81] [%clk 0:07:49] } 16. Ne4?! { [%eval 0.0] } { Inaccuracy. Bd3 was best. } { [%clk 0:05:28] } 16... Nh4 { [%eval -0.08] [%clk 0:06:51] } 17. Nxh4 { [%eval -0.16] [%clk 0:05:19] } 17... Qxe4 { [%eval -0.18] [%clk 0:06:48] } 18. Qg3 { [%eval -0.61] [%clk 0:04:29] } 18... Qf4?! { [%eval -0.06] } { Inaccuracy. Rf6 was best. } { [%clk 0:05:59] } 19. Ng6 { [%eval -0.08] [%clk 0:02:46] } 19... Qxg3 { [%eval 0.02] [%clk 0:05:57] } 20. fxg3?! { [%eval -0.53] } { Inaccuracy. hxg3 was best. } { [%clk 0:02:45] } 20... Rxf1+ { [%eval -0.28] [%clk 0:05:57] } 21. Rxf1 { [%eval -0.47] [%clk 0:02:47] } 21... Bd7 { [%eval -0.57] [%clk 0:05:57] } 22. Kf2 { [%eval -0.8] [%clk 0:01:42] } 22... Re8 { [%eval -0.75] [%clk 0:05:42] } 23. h3 { [%eval -1.25] [%clk 0:01:30] } 23... e4 { [%eval -1.25] [%clk 0:05:26] } 24. Nf4 { [%eval -1.31] [%clk 0:01:19] } 24... a5 { [%eval -0.78] [%clk 0:05:05] } 25. a3? { [%eval -2.09] } { Mistake. Ne6 was best. } { [%clk 0:01:02] } 25... Rf8?? { [%eval -0.34] } { Blunder. b5 was best. } { [%clk 0:04:43] } 26. Ke3 { [%eval -0.23] [%clk 0:00:53] } 26... b5 { [%eval -0.17] [%clk 0:04:29] } 27. Ba2?? { [%eval -5.83] } { Blunder. Be2 was best. } { [%clk 0:00:51] } 27... g5 { [%eval -5.94] [%clk 0:04:27] } 28. Kxe4 { [%eval -6.3] [%clk 0:00:23] } 28... gxf4 { [%eval -5.69] [%clk 0:04:26] } 29. gxf4 { [%eval -5.37] [%clk 0:00:26] } 29... Kg7 { [%eval -5.38] [%clk 0:04:21] } 30. g4 { [%eval -5.45] [%clk 0:00:25] } 30... Kg6 { [%eval -4.82] [%clk 0:03:53] } 31. Bb1 { [%eval -4.51] [%clk 0:00:25] } 31... Kg7 { [%eval -4.93] [%clk 0:03:53] } 32. Bd3 { [%eval -4.71] [%clk 0:00:24] } 32... b4 { [%eval -4.48] [%clk 0:03:52] } 33. axb4 { [%eval -4.44] [%clk 0:00:24] } 33... axb4 { [%eval -3.93] [%clk 0:03:53] } 34. b3 { [%eval -4.69] [%clk 0:00:23] } 34... Re8+ { [%eval -3.82] [%clk 0:03:49] } 35. Kd4 { [%eval -3.91] [%clk 0:00:19] } 35... Rf8 { [%eval -3.7] [%clk 0:03:44] } 36. Ke4 { [%eval -4.56] [%clk 0:00:18] } 36... Bc5 { [%eval -4.38] [%clk 0:03:39] } 37. Kf3 { [%eval -4.36] [%clk 0:00:10] } 37... Re8 { [%eval -4.38] [%clk 0:03:36] } 38. Be4 { [%eval -4.15] [%clk 0:00:12] } 38... Bd6 { [%eval -4.19] [%clk 0:03:34] } 39. Bd3 { [%eval -4.75] [%clk 0:00:08] } 39... Bc5 { [%eval -4.09] [%clk 0:03:27] } 40. Be4 { [%eval -4.3] [%clk 0:00:10] } 40... Bb5 { [%eval -4.07] [%clk 0:03:27] } 41. Rc1 { [%eval -4.41] [%clk 0:00:06] } 41... Bd6 { [%eval -4.6] [%clk 0:03:27] } 42. Rc2 { [%eval -4.92] [%clk 0:00:07] } 42... Ra8 { [%eval -4.87] [%clk 0:03:21] } 43. h4 { [%eval -5.49] [%clk 0:00:06] } 43... Ra3 { [%eval -5.62] [%clk 0:03:17] } 44. Rb2 { [%eval -5.83] [%clk 0:00:08] } 44... Bc4 { [%eval -5.68] [%clk 0:03:12] } 45. g5 { [%eval -6.0] [%clk 0:00:06] } 45... hxg5 { [%eval -5.74] [%clk 0:03:12] } 46. fxg5 { [%eval -6.36] [%clk 0:00:06] } 46... Bxb3 { [%eval -6.51] [%clk 0:03:10] } 47. Kg4 { [%eval -8.69] [%clk 0:00:04] } 47... Bd1+ { [%eval -8.52] [%clk 0:03:10] } 48. Kf5 { [%eval -8.45] [%clk 0:00:07] } 48... Ra8 { [%eval -8.95] [%clk 0:03:03] } 49. Rb1? { [%eval #-3] } { Checkmate is now unavoidable. Rg2 was best. } { [%clk 0:00:07] } 49... Rf8+ { [%eval #-2] [%clk 0:03:02] } 50. Ke6 { [%eval #-2] [%clk 0:00:09] } 50... Re8+ { [%eval #-3] [%clk 0:02:58] } 51. Kf5 { [%eval #-3] [%clk 0:00:11] } 51... Rxe4?? { [%eval -6.87] } { Lost forced checkmate sequence. Rf8+ was best. } { [%clk 0:02:59] } 52. Rxd1 { [%eval -7.06] [%clk 0:00:10] } 52... Rxh4 { [%eval -7.96] [%clk 0:02:59] } 53. Ke6 { [%eval -8.31] [%clk 0:00:11] } 53... Kg6 { [%eval -8.05] [%clk 0:02:56] } 54. Rb1? { [%eval #-2] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:00:11] } 54... Kxg5? { [%eval -8.75] } { Lost forced checkmate sequence. Rh7 was best. } { [%clk 0:02:55] } 55. Kd7 { [%eval -9.0] [%clk 0:00:13] } 55... Rd4 { [%eval -8.68] [%clk 0:02:55] } 56. Kc6 { [%eval -9.43] [%clk 0:00:15] } 56... Kf4 { [%eval -9.25] [%clk 0:02:55] } 57. Rb3 { [%eval -10.62] [%clk 0:00:17] } 57... Ke4 { [%eval -10.46] [%clk 0:02:56] } 58. Kb5 { [%eval -54.63] [%clk 0:00:19] } 58... Rxd5+ { [%eval -9.26] [%clk 0:02:56] } 59. Kc4 { [%eval -17.25] [%clk 0:00:21] } 59... Rd4+ { [%eval -11.16] [%clk 0:02:56] } 60. Kb5 { [%eval -63.74] [%clk 0:00:23] } 60... Rd3 { [%eval -11.16] [%clk 0:02:56] } 61. Rb1 { [%eval -14.17] [%clk 0:00:25] } 61... Kd4 { [%eval -57.6] [%clk 0:02:56] } 62. Ka4 { [%eval -55.19] [%clk 0:00:25] } 62... Ra3+ { [%eval -62.02] [%clk 0:02:53] } 63. Kb5 { [%eval -64.11] [%clk 0:00:27] } 63... Kc3 { [%eval -59.61] [%clk 0:02:52] } 64. Rf1 { [%eval -64.94] [%clk 0:00:17] } 64... Ra2 { [%eval -11.12] [%clk 0:02:38] } 65. Rf3+ { [%eval -58.94] [%clk 0:00:18] } 65... Kc2 { [%eval -10.7] [%clk 0:02:36] } 66. Rf2+ { [%eval -11.25] [%clk 0:00:20] } 66... Kb3 { [%eval -11.81] [%clk 0:02:37] } 67. Rf3+ { [%eval -11.06] [%clk 0:00:22] } 67... Kb2 { [%eval -11.23] [%clk 0:02:37] } 68. Rf2+ { [%eval -54.47] [%clk 0:00:23] } 68... Kb3 { [%eval -10.96] [%clk 0:02:08] } 69. Rf3+ { [%eval -11.15] [%clk 0:00:25] } 69... Kc2 { [%eval -10.58] [%clk 0:01:13] } 70. Rf2+ { [%eval -11.2] [%clk 0:00:26] } 70... Kc3 { [%eval -9.04] [%clk 0:01:14] } 71. Rxa2 { [%eval -9.38] [%clk 0:00:21] } 71... b3 { [%eval -8.46] [%clk 0:01:09] } 72. Rf2 { [%eval -13.65] [%clk 0:00:18] } 72... b2 { [%eval -9.37] [%clk 0:01:12] } 73. Rf3+ { [%eval -15.2] [%clk 0:00:08] } 73... Kc2 { [%eval -10.34] [%clk 0:01:13] } 74. Rf2+ { [%eval -9.13] [%clk 0:00:10] } 74... Kb1 { [%eval -9.87] [%clk 0:01:16] } 75. Kc4 { [%eval -60.12] [%clk 0:00:12] } 75... Ka1 { [%eval -12.37] [%clk 0:01:15] } 76. Rf1+ { [%clk 0:00:04] } 76... b1=Q { [%clk 0:01:18] } 0-1