[Event "U.S. National High School Championship 2024"] [Site "Baltimore, MD"] [Date "2024.04.07"] [Round "07"] [White "Huston, Gus"] [Black "Deviprasath, Sharvesh"] [Result "1/2-1/2"] [WhiteElo "2401"] [BlackElo "2381"] [TimeControl "5400+10"] [Variant "Standard"] [ECO "B30"] [Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Source "https://lichess.org/study/fbYDIs5O/Sj2HvuR4"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 1:24:11] } 2. Nf3 { [%clk 1:30:00] } 2... Nc6 { [%clk 1:24:11] } 3. Bb5 { [%clk 1:29:55] } 3... e6 { [%clk 1:24:03] } 4. O-O { [%clk 1:29:55] } 4... Nge7 { [%clk 1:23:36] } 5. c3 { [%clk 1:29:55] } 5... a6 { [%clk 1:23:16] } 6. Ba4 { [%clk 1:29:55] } 6... d5 { [%clk 1:20:06] } 7. exd5 { [%clk 1:29:44] } 7... Nxd5 { [%clk 1:19:49] } 8. d4 { [%clk 1:28:16] } 8... cxd4 { [%clk 1:14:47] } 9. Nxd4 { [%clk 1:26:44] } 9... Bd7 { [%clk 1:14:34] } 10. Nxc6 { [%clk 1:24:55] } 10... Bxc6 { [%clk 1:14:28] } 11. Bxc6+ { [%clk 1:19:22] } 11... bxc6 { [%clk 1:14:07] } 12. c4 { [%clk 1:17:18] } 12... Nf6 { [%clk 1:12:09] } 13. Qf3 { [%clk 1:17:18] } 13... Qc8 { [%clk 1:10:58] } 14. b3 { [%clk 1:04:43] } 14... Be7 { [%clk 1:06:09] } 15. Bb2 { [%clk 1:04:43] } 15... O-O { [%clk 1:05:38] } 16. Nc3 { [%clk 1:04:23] } 16... Qc7 { [%clk 1:02:43] } 17. Rad1 { [%clk 0:58:41] } 17... Rfd8 { [%clk 0:57:44] } 18. g3 { [%clk 0:55:27] } 18... Rxd1 { [%clk 0:52:13] } 19. Rxd1 { [%clk 0:53:43] } 19... Rd8 { [%clk 0:52:13] } 20. Rd3 { [%clk 0:53:43] } 20... Rd7 { [%clk 0:52:13] } 21. Rxd7 { [%clk 0:52:43] } 21... Bd8 { [%clk 0:52:13] } 22. Ne2 { [%clk 0:44:28] } 22... Nxd7 { [%clk 0:44:12] } 23. Qe3 { [%clk 0:39:18] } 23... h6 { [%clk 0:37:32] } 24. h4 { [%clk 0:39:18] } 24... Bf6 { [%clk 0:35:57] } 25. Bxf6 { [%clk 0:38:49] } 25... Nxf6 { [%clk 0:35:53] } 26. Nd4 { It would be around here that the game on board one ended in a draw, confirming that a decisive result in this game would produce a co-champion. } { [%clk 0:30:44] } 26... Qd6 { [%clk 0:29:47] } 27. Nf3 { [%clk 0:26:31] } 27... Ng4?! { [%clk 0:27:04] } 28. Qd4! { It makes sense for White to trade queens given the weak queenside pawns, and the trade is forced, as any other queen move hangs the knight. } { [%clk 0:26:26] } 28... Qxd4 { The fact that Black spent five minutes debating whether to capture here suggests he did not realize that his previous move committed him to a trade of queens. } { [%clk 0:21:46] } (28... Qa3?? 29. Qxg4) 29. Nxd4 { [%clk 0:26:26] } 29... c5 { [%clk 0:14:15] } (29... Ne5? 30. f4 c5 31. Nxe6 $18) 30. Nc6 { [%clk 0:26:22] } 30... Kf8 { [%clk 0:14:05] } 31. a3?! { The critical moment, and one where White spent half of his remaining 26 minutes. } { [%clk 0:13:39] } (31. f3 Ne3 (31... Nf6 32. Kf2 Nd7 { is passive, allowing White to centralize with } 33. Ke3 $16) 32. Kf2 Nd1+ 33. Ke1 Ne3 { does not look particularly threatening for Black. } (33... Nc3? { is likely what White wanted to anticipate when playing 31. a3, but it turns out the pawn is untouchable after } 34. a3 Nb1 { when White has a number of moves ignoring the threat of ... Nb1xa3. } 35. Na5 { is a good representative example. If Black takes the a3-pawn, White actually ends up trapping Black's knight! } 35... Nxa3 (35... Ke7 { other moves drop the c-pawn, though. } 36. Nb7 $18) 36. Kd2 Ke7 37. Kc3 Nb1+ 38. Kc2 Na3+ 39. Kb2 $18) 34. Kf2 Nd1+ { Black can try to repeat, but } 35. Ke1 Ne3 36. Na5 $16 { and White goes after the weak c-pawn. }) 31... Ke8 { With one extra tempo, compared to 31. f3 and Black's knight having to react, White has lost the appeal of Nc6-a5-b7, as now this maneuver will not win the c-pawn by force since Black's king can reach the c6-square. } { [%clk 0:12:20] } 32. Nb8 { [%clk 0:13:03] } 32... Ke7 { [%clk 0:10:32] } 33. Nxa6 { [%clk 0:10:34] } 33... Kd6! { And now it is White's knight who is short on squares! } { [%clk 0:10:32] } 34. f3 { [%clk 0:07:48] } 34... Ne5 { [%clk 0:10:21] } 35. Kf2 { [%clk 0:07:48] } 35... Kc6 { [%clk 0:10:21] } 36. f4 { [%clk 0:06:29] } 36... Nd7 { [%clk 0:07:19] } 37. b4 { [%clk 0:06:07] } 37... cxb4 { [%clk 0:05:36] } 38. axb4 { [%clk 0:06:07] } 38... Nb6 { White has to part with a pawn to save the knight, as eventually the b-paw will come under fire too. } { [%clk 0:05:33] } 39. b5+ { [%clk 0:05:54] } (39. c5 Nd5 $10) 39... Kb7 { [%clk 0:05:33] } 40. c5 { [%clk 0:05:33] } 40... Nd5 { [%clk 0:05:33] } 41. Kf3 { [%clk 0:04:30] } 41... Nc3 { The point! There is no b5-b6 as White's knight was never able to escape the a6-square in time. } { [%clk 0:05:17] } 42. c6+ { [%clk 0:04:26] } 42... Kb6 { [%clk 0:05:17] } 43. c7 { [%clk 0:04:26] } 43... Kb7 { [%clk 0:05:17] } 44. b6 { [%clk 0:04:26] } 44... Na4 { [%clk 0:04:53] } 45. f5 { [%clk 0:02:57] } 45... exf5 { [%clk 0:03:46] } 46. Kf4 { [%clk 0:02:57] } 46... Nxb6 { [%clk 0:03:46] } 47. Nc5+ { [%clk 0:02:57] } 47... Kxc7 { [%clk 0:03:46] } 48. Kxf5 $10 { This is still a draw, despite Black now having an extra pawn. White can always sac the knight for the final black pawn. } { [%clk 0:02:57] } 48... Kd6 { [%clk 0:03:41] } 49. Ne4+ { [%clk 0:02:57] } 49... Ke7 { [%clk 0:03:41] } 50. h5 { [%clk 0:02:54] } 50... Nd5 { [%clk 0:03:41] } 51. g4 { [%clk 0:02:45] } 51... Kf8 { [%clk 0:02:31] } 52. Ke5 { [%clk 0:02:36] } 52... Ne3 { [%clk 0:02:31] } 53. Kf4 { [%clk 0:02:36] } 53... Nd5+ { [%clk 0:02:31] } 54. Ke5 { [%clk 0:02:36] } 54... Ne7 { [%clk 0:02:31] } 55. Ng3 { [%clk 0:02:30] } 55... Nc6+ { [%clk 0:02:24] } 56. Kd5 { [%clk 0:02:30] } 56... Nb4+ { [%clk 0:02:24] } 57. Ke5 { [%clk 0:02:29] } 57... Nd3+ { [%clk 0:02:24] } 58. Ke4 { [%clk 0:02:29] } 58... Nf2+ { [%clk 0:02:24] } 59. Kf3 { [%clk 0:02:29] } 59... Nh3 { [%clk 0:02:24] } 60. Nf5 { [%clk 0:02:29] } 60... Ng5+ { [%clk 0:02:24] } 61. Kf4 { [%clk 0:02:29] } 61... Ne6+ { [%clk 0:02:24] } 62. Ke5 { [%clk 0:02:29] } 62... Nc7 { [%clk 0:02:16] } 63. Kd6 { [%clk 0:02:29] } 63... Ne6 { [%clk 0:02:12] } 64. Ke5 { [%clk 0:02:29] } 64... Kg8 { [%clk 0:02:11] } 65. Kd6 { [%clk 0:02:26] } 65... Ng5 { [%clk 0:02:11] } 66. Ke5 { [%clk 0:02:26] } 66... Kh7 { [%clk 0:02:11] } 67. Nd6 { [%clk 0:02:21] } 67... Kg8 { [%clk 0:02:11] } 68. Nf5 { [%clk 0:02:21] } 68... Kf8 { [%clk 0:02:11] } 69. Kf4 { [%clk 0:02:21] } 69... Nh7 { [%clk 0:02:11] } 70. Ke5 { [%clk 0:02:21] } 70... Nf6 { [%clk 0:02:01] } 71. Kf4 { [%clk 0:02:21] } 71... Nd5+ { [%clk 0:02:01] } 72. Ke4 { [%clk 0:02:18] } 72... Ne7 { [%clk 0:02:01] } 73. Nd6 { [%clk 0:02:18] } 73... Kg8 { [%clk 0:02:01] } 74. Kf4 { [%clk 0:02:18] } 74... Nc6 { [%clk 0:02:00] } 75. Ke4 { [%clk 0:02:18] } 75... Nd8 { [%clk 0:02:00] } 76. Nf5 { [%clk 0:02:18] } 76... Ne6 { [%clk 0:02:00] } 77. Ke5 { [%clk 0:02:18] } 77... Kf8 { [%clk 0:01:58] } 78. Kd6 { [%clk 0:02:18] } 78... Nf4 { [%clk 0:01:54] } 79. Ke5 { [%clk 0:02:18] } 79... Ne2 { [%clk 0:01:54] } 80. Ke4 { [%clk 0:02:18] } 80... Kg8 { [%clk 0:01:36] } 81. Ke3 { [%clk 0:02:18] } 81... Nc3 { [%clk 0:01:36] } 82. Kd4 { [%clk 0:02:18] } 82... Nb5+ { [%clk 0:01:36] } 83. Kc5 { [%clk 0:02:16] } 83... Nc7 { [%clk 0:01:36] } 84. Kd6 { [%clk 0:02:16] } 84... Ne8+ { [%clk 0:01:36] } 85. Ke5 { [%clk 0:02:16] } 85... Kf8 { [%clk 0:01:36] } 86. Kf4 { [%clk 0:02:16] } 86... Nc7 { [%clk 0:01:36] } 87. Ke4 { [%clk 0:02:14] } 87... Ne6 { [%clk 0:01:36] } 88. Ke5 { [%clk 0:02:14] } 88... Ke8 { [%clk 0:01:33] } 89. Kd6 { [%clk 0:02:14] } 89... Kd8 { [%clk 0:01:21] } 90. Ke5 { [%clk 0:02:08] } 90... Ke8 { [%clk 0:00:51] } 91. g5 { [%clk 0:01:37] } 91... Nxg5 { Having given up his extra pawn, Black finally agrees to a draw. } { [%clk 0:00:12] } 1/2-1/2