Event: Round 9: Zhang, Kendrick Botong - Ayala Delgado, Sergio Alejandro
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-9/FsaVk8po/5UqDNhKX
White: Zhang, Kendrick Botong
WhiteTitle: CM
WhiteElo: 1921
Black: Ayala Delgado, Sergio Alejandro
BlackElo: 1970
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Four Knights Variation, Cobra Variation
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:13] } 1... c5 { [%eval 0.24] [%clk 0:45:17] } 2. Nf3 { [%eval 0.2] [%clk 0:45:20] } 2... e6 { [%eval 0.28] [%clk 0:45:21] } 3. d4 { [%eval 0.4] [%clk 0:45:26] } 3... cxd4 { [%eval 0.29] [%clk 0:45:25] } 4. Nxd4 { [%eval 0.21] [%clk 0:45:32] } 4... Nf6 { [%eval 0.29] [%clk 0:45:27] } 5. Nc3 { [%eval 0.21] [%clk 0:45:36] } 5... Nc6 { [%eval 0.35] [%clk 0:45:33] } 6. Ndb5 { [%eval 0.25] [%clk 0:45:43] } 6... Bc5 { [%eval 0.29] [%clk 0:45:38] } 7. Bf4 { [%eval 0.29] [%clk 0:45:14] } 7... O-O { [%eval 0.3] [%clk 0:45:37] } 8. Bc7 { [%eval 0.63] [%clk 0:40:39] } 8... Qe7 { [%eval 0.6] [%clk 0:45:42] } 9. Bd6 { [%eval 0.63] [%clk 0:40:38] } 9... Bxd6 { [%eval 0.66] [%clk 0:45:47] } 10. Qxd6 { [%eval 0.61] [%clk 0:37:05] } 10... Qd8 { [%eval 0.48] [%clk 0:45:51] } 11. Nc7 { [%eval 0.21] [%clk 0:36:21] } 11... Rb8 { [%eval 0.25] [%clk 0:45:50] } 12. Be2 { [%eval 0.33] [%clk 0:31:58] } 12... a6 { [%eval 0.52] [%clk 0:43:46] } 13. e5 { [%eval 0.18] [%clk 0:30:28] } 13... Ne8 { [%eval 0.19] [%clk 0:34:25] } 14. Nxe8 { [%eval 0.2] [%clk 0:30:18] } 14... Rxe8 { [%eval 0.31] [%clk 0:34:29] } 15. f4 { [%eval 0.21] [%clk 0:28:21] } 15... b5 { [%eval 0.15] [%clk 0:30:12] } 16. O-O-O { [%eval 0.18] [%clk 0:27:19] } 16... Rb6? { [%eval 1.38] } { Mistake. Bb7 was best. } { [%clk 0:24:26] } 17. Kb1 { [%eval 0.93] [%clk 0:26:22] } 17... Ne7 { [%eval 0.86] [%clk 0:22:06] } 18. Qd2 { [%eval 0.88] [%clk 0:26:04] } 18... d5 { [%eval 1.02] [%clk 0:18:53] } 19. exd6 { [%eval 0.86] [%clk 0:25:41] } 19... Nd5 { [%eval 0.68] [%clk 0:18:59] } 20. Nxd5 { [%eval 0.66] [%clk 0:23:35] } 20... exd5 { [%eval 0.69] [%clk 0:19:01] } 21. Bf3?! { [%eval 0.0] } { Inaccuracy. Bd3 was best. } { [%clk 0:23:04] } 21... Rxd6 { [%eval 0.03] [%clk 0:18:56] } 22. Qd4 { [%eval 0.0] [%clk 0:22:51] } 22... Bf5 { [%eval -0.1] [%clk 0:15:54] } 23. g4 { [%eval -0.12] [%clk 0:18:28] } 23... Be4 { [%eval -0.12] [%clk 0:15:25] } 24. Bxe4 { [%eval -0.13] [%clk 0:17:42] } 24... Rxe4 { [%eval -0.13] [%clk 0:15:29] } 25. Qd2 { [%eval -0.15] [%clk 0:17:45] } 25... h6 { [%eval -0.08] [%clk 0:11:38] } 26. h3 { [%eval -0.22] [%clk 0:15:44] } 26... Qf6 { [%eval -0.06] [%clk 0:07:26] } 27. f5 { [%eval -0.12] [%clk 0:15:36] } 27... Rd8 { [%eval -0.06] [%clk 0:06:18] } 28. a3 { [%eval -0.07] [%clk 0:14:48] } 28... Qb6 { [%eval -0.01] [%clk 0:04:50] } 29. Rhe1 { [%eval -0.04] [%clk 0:10:43] } 29... Rde8 { [%eval -0.12] [%clk 0:04:18] } 30. Rxe4 { [%eval -0.29] [%clk 0:08:01] } 30... dxe4 { [%eval -0.19] [%clk 0:04:21] } 31. Qd7 { [%eval -0.39] [%clk 0:08:10] } 31... Qb8 { [%eval -0.46] [%clk 0:04:11] } 32. Re1? { [%eval -1.6] } { Mistake. Qd6 was best. } { [%clk 0:04:58] } 32... e3 { [%eval -1.56] [%clk 0:04:07] } 33. Re2 { [%eval -2.05] [%clk 0:04:46] } 33... Qe5?! { [%eval -1.25] } { Inaccuracy. Re4 was best. } { [%clk 0:02:16] } 34. Qd3? { [%eval -3.1] } { Mistake. b3 was best. } { [%clk 0:03:33] } 34... a5?? { [%eval -1.14] } { Blunder. Qg3 was best. } { [%clk 0:01:51] } 35. b3?! { [%eval -1.97] } { Inaccuracy. h4 was best. } { [%clk 0:03:20] } 35... b4 { [%eval -1.91] [%clk 0:00:45] } 36. Ka2 { [%eval -2.46] [%clk 0:03:05] } 36... bxa3 { [%eval -2.44] [%clk 0:00:33] } 37. c3 { [%eval -2.53] [%clk 0:03:11] } 37... Qe7 { [%eval -2.29] [%clk 0:00:36] } 38. Qd4 { [%eval -2.1] [%clk 0:03:11] } 38... h5?? { [%eval -0.08] } { Blunder. Qh4 was best. } { [%clk 0:00:18] } 39. gxh5 { [%eval -0.19] [%clk 0:03:11] } 39... Qg5 { [%eval 0.0] [%clk 0:00:26] } 40. Kxa3 { [%eval -0.02] [%clk 0:02:58] } 40... Qxh5 { [%eval 0.0] [%clk 0:00:16] } 41. Rxe3 { [%eval 0.0] [%clk 0:02:15] } 41... Rxe3 { [%eval 0.0] [%clk 0:00:14] } 42. Qxe3 { [%eval 0.0] [%clk 0:02:24] } 42... Qxf5 { [%eval 0.0] [%clk 0:00:23] } 43. Ka4 { [%eval 0.16] [%clk 0:02:18] } 43... Qc2?? { [%eval 2.21] } { Blunder. g5 was best. } { [%clk 0:00:15] } 44. Qc5?? { [%eval 0.0] } { Blunder. c4 was best. } { [%clk 0:01:32] } 44... Qa2+ { [%eval 0.0] [%clk 0:00:17] } 45. Kb5 { [%eval 0.0] [%clk 0:01:07] } 45... Qxb3+ { [%eval 0.0] [%clk 0:00:25] } 46. Kxa5 { [%eval 0.0] [%clk 0:01:16] } 46... Qe6 { [%eval 0.0] [%clk 0:00:30] } 47. h4 { [%eval 0.0] [%clk 0:01:01] } 47... f5 { [%eval 0.0] [%clk 0:00:18] } 48. Qd4 { [%eval 0.0] [%clk 0:00:58] } 48... Qe4 { [%eval 0.0] [%clk 0:00:17] } 49. Kb4 { [%eval 0.0] [%clk 0:00:42] } 49... Qb7+ { [%eval 0.0] [%clk 0:00:23] } 50. Kc4 { [%eval 0.0] [%clk 0:00:42] } 50... Qc7+ { [%eval 0.0] [%clk 0:00:30] } 51. Kd5 { [%eval 0.0] [%clk 0:00:38] } 51... f4 { [%eval 0.0] [%clk 0:00:27] } 52. Ke4 { [%eval 0.0] [%clk 0:00:33] } 52... Kh7?! { [%eval 0.59] } { Inaccuracy. Qe7+ was best. } { [%clk 0:00:19] } 53. Kf3 { [%eval 0.0] [%clk 0:00:34] } 53... g6 { [%eval 0.05] [%clk 0:00:19] } 54. c4 { [%eval 0.38] [%clk 0:00:37] } 54... Kg8? { [%eval 2.0] } { Mistake. Qe7 was best. } { [%clk 0:00:13] } 55. Qxf4 { [%eval 1.84] [%clk 0:00:39] } 55... Qc6+? { [%eval 3.66] } { Mistake. Qc5 was best. } { [%clk 0:00:22] } 56. Qe4 { [%eval 3.55] [%clk 0:00:38] } 56... Qf6+ { [%eval 3.54] [%clk 0:00:30] } 57. Kg4 { [%eval 3.57] [%clk 0:00:45] } 57... Kh7 { [%eval 3.85] [%clk 0:00:18] } 58. c5 { [%eval 3.74] [%clk 0:00:47] } 58... Qf1 { [%eval 4.14] [%clk 0:00:24] } 59. c6 { [%eval 4.03] [%clk 0:00:40] } 59... Qg1+ { [%eval 4.05] [%clk 0:00:29] } 60. Kf4 { [%eval 3.87] [%clk 0:00:46] } 60... Kh6?! { [%eval 5.94] } { Inaccuracy. Qc5 was best. } { [%clk 0:00:36] } 61. Ke5 { [%eval 5.29] [%clk 0:00:30] } 61... Qc5+ { [%eval 6.45] [%clk 0:00:21] } 62. Ke6 { [%eval 6.07] [%clk 0:00:34] } 62... Qb6 { [%eval 6.67] [%clk 0:00:14] } 63. Kd7 { [%eval 9.45] [%clk 0:00:33] } 63... Qb5 { [%eval 9.2] [%clk 0:00:23] } 64. Qf4+ { [%eval 9.08] [%clk 0:00:28] } 64... Kg7 { [%eval 7.66] [%clk 0:00:24] } 65. Qg5 { [%eval 6.63] [%clk 0:00:24] } 65... Qd3+ { [%eval 6.68] [%clk 0:00:19] } 66. Kc7?! { [%eval 5.09] } { Inaccuracy. Ke8 was best. } { [%clk 0:00:22] } 66... Qa3?! { [%eval 7.43] } { Inaccuracy. Kf7 was best. } { [%clk 0:00:20] } 67. Qe5+ { [%eval 6.92] [%clk 0:00:19] } 67... Kf7 { [%eval 6.36] [%clk 0:00:20] } 68. Qf4+ { [%eval 9.07] [%clk 0:00:15] } 68... Kg7 { [%eval 42.36] [%clk 0:00:22] } 69. Kd7 { [%eval 22.66] [%clk 0:00:18] } 69... Qd3+ { [%eval 19.56] [%clk 0:00:15] } 70. Qd6 { [%eval 10.31] [%clk 0:00:21] } 70... Qh3+?! { [%eval #23] } { Checkmate is now unavoidable. Qf5+ was best. } { [%clk 0:00:23] } 71. Kd8 { [%eval 14.66] [%clk 0:00:30] } 71... Qxh4+?! { [%eval #12] } { Checkmate is now unavoidable. Kh6 was best. } { [%clk 0:00:14] } 72. Qe7+ { [%eval #11] [%clk 0:00:38] } 72... Qxe7+ { [%eval #11] [%clk 0:00:21] } 73. Kxe7 { [%eval #11] [%clk 0:00:47] } 73... g5 { [%eval #7] [%clk 0:00:29] } 74. c7 { [%eval #6] [%clk 0:00:56] } 74... Kg6 { [%eval #6] [%clk 0:00:37] } 75. c8=Q { [%eval #5] [%clk 0:01:03] } 75... Kh5 { [%eval #5] [%clk 0:00:46] } 76. Qh3+ { [%eval #4] [%clk 0:01:10] } 76... Kg6 { [%eval #4] [%clk 0:00:55] } 77. Ke6 { [%eval #4] [%clk 0:01:19] } 77... Kg7 { [%eval #4] [%clk 0:01:03] } 78. Qh5 { [%eval #3] [%clk 0:01:28] } 78... Kf8 { [%eval #1] [%clk 0:01:11] } 79. Qxg5 { [%eval #1] [%clk 0:01:36] } 79... Ke8 { [%eval #1] [%clk 0:01:21] } 80. Qg8# { [%clk 0:01:44] } 1-0