[Event "U.S. National High School Championship 2024"] [Site "Baltimore, MD"] [Date "2024.04.06"] [Round "05"] [White "Donald Johnson"] [Black "Liu, Ethan"] [Result "0-1"] [WhiteElo "2244"] [BlackElo "1990"] [TimeControl "5400+10"] [Variant "Standard"] [ECO "B46"] [Opening "Sicilian Defense: Taimanov Variation"] [StudyName "2024 NHS"] [ChapterName "Donald Johnson - Liu, Ethan"] [ChapterURL "https://lichess.org/study/fbYDIs5O/Vd0lOkO3"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 0:00:00] } 2. Nf3 { [%clk 1:30:00] } 2... e6 { [%clk 1:29:52] } 3. d4 { [%clk 1:30:00] } 3... cxd4 { [%clk 1:29:52] } 4. Nxd4 { [%clk 1:30:00] } 4... Nc6 { [%clk 1:29:52] } 5. Nc3 { [%clk 1:30:00] } 5... a6 { [%clk 1:29:52] } 6. Nxc6 { [%clk 1:30:00] } 6... bxc6 { [%clk 1:29:52] } 7. Qd3 { [%clk 1:29:05] } 7... d5 { [%clk 1:25:06] } 8. Qg3 { [%clk 1:26:55] } 8... Nf6 { [%clk 1:20:50] } 9. Be2 { [%clk 1:26:30] } 9... d4 { [%clk 1:13:42] } 10. e5 { [%clk 1:25:38] } 10... Nd7 { [%clk 1:11:32] } 11. Ne4 { [%clk 1:25:08] } 11... Qa5+ { [%clk 1:10:57] } 12. c3 { [%clk 1:24:47] } 12... dxc3 { [%clk 1:07:17] } 13. Nxc3 { [%clk 1:24:27] } 13... Qxe5 { [%clk 1:03:25] } 14. Bf4 { [%clk 1:23:38] } 14... Qf6 { [%clk 0:59:49] } 15. O-O { [%clk 1:21:56] } 15... e5 { [%clk 0:53:49] } 16. Bg5 { [%clk 1:04:53] } 16... Qg6 { [%clk 0:52:09] } 17. Qh4 { [%clk 0:30:00] } 17... h6 { [%clk 0:45:55] } 18. Bd8 { [%clk 0:29:29] } 18... Bb7 { [%clk 0:38:36] } 19. Bh5 { [%clk 0:28:48] } 19... Qe6 { [%clk 0:38:05] } 20. Ba5 { [%clk 0:20:53] } 20... Be7 { [%clk 0:33:20] } 21. Qg3 { [%clk 0:19:11] } 21... O-O { [%clk 0:33:04] } 22. Bg4 { [%clk 0:18:23] } 22... f5 { [%clk 0:32:16] } 23. Be2 { [%clk 0:16:43] } 23... Kh8 { [%clk 0:31:13] } 24. Rad1 { [%clk 0:15:31] } 24... Nf6 { [%clk 0:21:25] } 25. b3 { [%clk 0:13:33] } 25... Bd6 { [%clk 0:20:15] } 26. Bc4 { [%clk 0:12:54] } 26... Nd5 { [%clk 0:19:26] } 27. Qd3 { [%clk 0:09:52] } 27... e4 { [%clk 0:14:16] } 28. Qd4 { [%clk 0:07:39] } 28... Be5 { [%clk 0:12:55] } 29. Qd2 { [%clk 0:07:13] } 29... Bxc3 { [%clk 0:11:52] } 30. Bxc3 { [%clk 0:07:12] } 30... Rad8 { [%clk 0:11:22] } 31. Bxd5 { [%clk 0:05:07] } 31... Rxd5 { [%clk 0:10:40] } 32. Qf4 { [%clk 0:05:01] } 32... Rfd8 { [%clk 0:09:05] } 33. Qg3 { [%clk 0:03:42] } 33... R8d7 { [%clk 0:08:32] } 34. Rxd5 { [%clk 0:02:49] } 34... cxd5 { [%clk 0:08:14] } 35. Bd4 { [%clk 0:02:33] } 35... Kh7 { [%clk 0:07:43] } 36. Rc1 { [%clk 0:02:17] } 36... Qf7 { [%clk 0:07:12] } 37. f4 { [%clk 0:01:39] } 37... Rc7 { [%clk 0:06:33] } 38. Rc3 { [%clk 0:01:24] } 38... Qd7 { [%clk 0:04:48] } 39. Be5 { [%clk 0:00:52] } 39... Rxc3 { [%clk 0:03:18] } 40. Qxc3 { [%clk 0:00:52] } 40... g5 { [%clk 0:02:38] } 41. g3 { [%clk 0:00:27] } 41... Qc6 { [%clk 0:02:07] } 42. Kf2 { [%clk 0:00:20] } 42... gxf4 { [%clk 0:01:43] } 43. gxf4 { [%clk 0:00:20] } 43... Qxc3 { [%clk 0:01:23] } 44. Bxc3 { [%clk 0:00:20] } 44... Kg6 { [%clk 0:01:23] } 45. h3 { [%clk 0:00:20] } 45... Kf7 { [%clk 0:00:41] } 46. Ke3 { [%clk 0:00:20] } 46... Ke6 { [%clk 0:00:37] } 47. Kd4 { [%clk 0:00:20] } 47... Kd6 { [%clk 0:00:33] } 48. Bb4+ { [%clk 0:00:20] } 48... Kc6 { [%clk 0:00:33] } 49. Bd2 { [%clk 0:00:20] } 49... Kd6 { [%clk 0:00:31] } 50. a3 { [%clk 0:00:20] } 50... Bc8 { [%clk 0:00:27] } 51. Bb4+ { [%clk 0:00:20] } 51... Kc6 { [%clk 0:00:27] } 52. Bc3 { [%clk 0:00:20] } 52... h5 { [%clk 0:00:17] } 53. Bd2 { [%clk 0:00:20] } 53... Kd6 { [%clk 0:00:17] } 54. Bc1 { [%clk 0:00:20] } 54... Be6 { [%clk 0:00:17] } 55. Bb2 { [%clk 0:00:20] } 55... Bc8 { [%clk 0:00:16] } 56. Bc3 { [%clk 0:00:20] } 56... Bb7 { [%clk 0:00:16] } 57. Bb4+ { [%clk 0:00:20] } 57... Kc6 { [%clk 0:00:16] } 58. Bd2 { [%clk 0:00:20] } 58... Bc8 { [%clk 0:00:16] } 59. a4 { [%clk 0:00:20] } 59... Kd6 { [%clk 0:00:16] } 60. Be1 { [%clk 0:00:20] } 60... Bb7 { [%clk 0:00:16] } 61. Bb4+ { [%clk 0:00:20] } 61... Kc6 { [%clk 0:00:16] } 62. Bc3 { [%clk 0:00:19] } 62... Bc8 { [%clk 0:00:16] } 63. Ke5 { [%clk 0:00:19] } 63... Kc5 { [%clk 0:00:13] } 64. h4 { [%clk 0:00:16] } 64... a5 { [%clk 0:00:12] } 65. Bd4+ { [%clk 0:00:03] } 65... Kb4 { [%clk 0:00:12] } 66. Kxd5 { [%clk 0:00:03] } 66... Kxb3 { [%clk 0:00:12] } 67. Bb6 { [%clk 0:00:03] } 67... Kxa4 { [%clk 0:00:12] } 68. Kc4 { [%clk 0:00:03] } 68... Be6+ { [%clk 0:00:12] } 69. Kc3 { [%clk 0:00:03] } 69... Kb5 { [%clk 0:00:12] } 70. Bd8 { [%clk 0:00:03] } 70... a4 { [%clk 0:00:12] } 71. Be7 { [%clk 0:00:03] } 71... Bf7 { [%clk 0:00:11] } 72. Kd4 { [%clk 0:00:03] } 72... Be8 { [%clk 0:00:11] } 73. Bf8 { [%clk 0:00:03] } 73... Bd7 { [%clk 0:00:11] } 74. Ba3 { [%clk 0:00:03] } 74... e3 { [%clk 0:00:11] } 75. Kxe3 { [%clk 0:00:03] } 75... Kc4 { [%clk 0:00:11] } 76. Be7 { [%clk 0:00:03] } 76... Bc6 { [%clk 0:00:11] } 77. Bd6 { [%clk 0:00:03] } 77... Be4 { [%clk 0:00:11] } 78. Be7 { [%clk 0:00:03] } 78... Kb3 { [%clk 0:00:11] } 79. Kd2 { [%clk 0:00:03] } 79... a3 { With only three seconds, White's defensive task is clear, but not necessarily easy. } { [%clk 0:00:11] } 80. Bd6?? { The key point is that, now Black can reach the b1-square! } { [%clk 0:00:03] } (80. Kc1 { would hold. } 80... a2 81. Bf6 { locks Black's king out. }) (80. Bf6 { also drew. } 80... Ka2 { does not reach the b1-square in time, due to } 81. Kc1 $10) 80... Kb2! { [%clk 0:00:11] } 81. Be5+ { [%clk 0:00:03] } 81... Kb1 { White's going to have to part with the bishop now! } { [%clk 0:00:11] } 82. Kc3 { [%clk 0:00:03] } 82... a2 { [%clk 0:00:11] } 83. Kc4 { [%clk 0:00:03] } 83... a1=Q { [%clk 0:00:11] } 84. Bxa1 { [%clk 0:00:03] } 84... Kxa1 { [%clk 0:00:11] } 85. Kd4 { [%clk 0:00:03] } 85... Kb2 { [%clk 0:00:11] } 86. Ke5 { [%clk 0:00:03] } 86... Kc3 { [%clk 0:00:11] } 87. Kf6 { [%clk 0:00:03] } 87... Kd4 { [%clk 0:00:11] } 88. Kg6 { [%clk 0:00:03] } 88... Ke3 { [%clk 0:00:11] } 89. Kg5 { [%clk 0:00:03] } 89... Kf3 { [%clk 0:00:11] } 90. Kxh5 { [%clk 0:00:03] } 90... Kxf4 { [%clk 0:00:11] } 91. Kg6 { [%clk 0:00:03] } 91... Ke3 { [%clk 0:00:11] } 92. h5 { [%clk 0:00:03] } 92... f4+ { [%clk 0:00:11] } 93. Kg5 { [%clk 0:00:01] } 93... f3 { [%clk 0:00:11] } 94. h6 { [%clk 0:00:01] } 94... f2 { [%clk 0:00:11] } 95. h7 { [%clk 0:00:01] } 95... Bxh7 { [%clk 0:00:11] } 96. Kf6 { [%clk 0:00:01] } 96... f1=Q+ { [%clk 0:00:11] } 97. Ke5 { [%clk 0:00:01] } 97... Qf5+ { [%clk 0:00:11] } 98. Kd6 { [%clk 0:00:01] } 98... Kd4 { [%clk 0:00:11] } 99. Kc6 { [%clk 0:00:01] } 99... Qc5+ { [%clk 0:00:11] } 100. Kd7 { [%clk 0:00:01] } 100... Bf5+ { [%clk 0:00:11] } 101. Kd8 { [%clk 0:00:01] } 101... Ke5 { [%clk 0:00:11] } 102. Ke8 { [%clk 0:00:01] } 102... Kf6 { [%clk 0:00:11] } 103. Kd8 { [%clk 0:00:01] } 103... Qc8# { 0-1 Black wins. } { [%clk 0:00:11] } 0-1