[Event "U.S. National Elementary School Championship 2024 K3"] [Site "Columbus, Ohio"] [Date "2024.04.27"] [Round "05"] [White "Gu, Hardy"] [Black "Roy Choudhury, Arya"] [Result "1-0"] [WhiteElo "1892"] [BlackElo "1727"] [TimeControl "5400+10"] [Variant "Standard"] [ECO "A45"] [Opening "Indian Defense"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Source "https://lichess.org/study/RWJ340a8/HyAIKFO6"] [Orientation "white"] 1. d4 { [%clk 1:30:00] } 1... Nf6 { [%clk 1:30:00] } 2. Bf4 { [%clk 1:30:00] } 2... g6 { [%clk 1:30:00] } 3. e3 { [%clk 1:30:00] } 3... Bg7 { [%clk 1:29:58] } 4. Nf3 { [%clk 1:30:00] } 4... O-O { [%clk 1:29:57] } 5. Be2 { [%clk 1:30:00] } 5... d5 { [%clk 1:29:39] } 6. O-O { [%clk 1:30:00] } 6... c5 { [%clk 1:29:39] } 7. c3 { [%clk 1:30:00] } 7... Nc6 { [%clk 1:29:39] } 8. h3 { [%clk 1:30:00] } 8... Bf5 { [%clk 1:29:39] } 9. Nbd2 { [%clk 1:30:00] } 9... Qb6 { [%clk 1:28:43] } 10. Qb3 { [%clk 1:29:49] } 10... Qxb3 { [%clk 1:27:21] } 11. axb3 { [%clk 1:29:24] } 11... a6 { [%clk 1:25:39] } 12. Ne5 { [%clk 1:28:04] } 12... Nxe5 { [%clk 1:23:36] } 13. Bxe5 { [%clk 1:28:04] } 13... cxd4 { [%clk 1:23:15] } 14. exd4 { [%clk 1:28:04] } 14... Bh6 { [%clk 1:17:51] } 15. f4 { [%clk 1:27:39] } 15... Ne4 { [%clk 1:16:01] } 16. Nxe4 { [%clk 1:26:51] } 16... Bxe4 { [%clk 1:15:03] } 17. c4?! { The wrong idea. The dark-squared bishop is close to getting trapped. } { [%clk 1:26:23] } (17. Bg4 { Not an easy move to find, but the idea is brilliant. Black needs a rook on the c-file in order to cover the c7-square. But now White covers the c8-square, and either ... e7-e6 or ... f7-f5 gives up the hope of ever playing ... f7-f6. }) 17... Rac8 { Now, what about that bishop on e5? } { [%clk 1:14:53] } 18. Bg4 { [%clk 1:25:29] } 18... Rc6 { White is running out of time to save the bishop, and errs. } { [%clk 1:11:14] } 19. c5?? { [%clk 1:23:39] } (19. Rae1 { is better. } 19... Rd8 $17 { keeps an advantage, but it's less clear whether Black has anything after going for the aforementioned } (19... f6?! 20. Rxe4! { thanks to this resource. } 20... dxe4 21. d5 Rb6 22. c5 Rxb3 23. Be6+ Kg7 24. Bc3 $44)) (19. Bd7!? Rb6 20. Ra3 Bg7 $17) 19... Rd8 { [%clk 1:06:44] } (19... f6! { also wins: } 20. Bd7 fxe5 21. Bxc6 bxc6 $19) 20. f5 { [%clk 1:23:23] } 20... f6? { Black gets too excited and spends under a minute on the should-be-winning move, but it turns out this move order is incorrect and spoils most of the advantage! } { [%clk 1:06:12] } (20... Be3+! 21. Kh2 f6 22. Bg3 Bxd4 $19) 21. Bg3 { [%clk 1:23:02] } 21... Be3+ { [%clk 1:05:32] } 22. Bf2 { is why the move order mattered back on move 20. The d4-pawn survives, as do White's chances! } { [%clk 1:22:59] } 22... Bxf2+ { [%clk 1:04:09] } 23. Rxf2 { [%clk 1:22:59] } 23... h5 { [%clk 1:03:51] } 24. Bf3 { [%clk 1:22:28] } 24... Bxf5 { [%clk 1:02:30] } 25. Bxh5 { [%clk 1:22:28] } 25... Kg7 { [%clk 0:58:01] } 26. Re1 { [%clk 1:21:31] } 26... Rd7 { [%clk 0:51:59] } 27. Bf3 { [%clk 1:20:48] } 27... e6 { The position is roughly equal, but getting easier to play for White with every move. } { [%clk 0:46:36] } 28. Re3 { [%clk 1:19:23] } 28... g5 { [%clk 0:45:11] } 29. Rfe2 { [%clk 1:18:31] } 29... Kf7 { [%clk 0:44:18] } 30. b4 { [%clk 1:17:26] } 30... b5?! { Not the losing move, but now the a6-pawn is forever weak and dreams of ... b7-b6 have gone up in smoke. } { [%clk 0:41:30] } (30... Be4! $10 { is instructive: Black gives up a pawn for the small price of "losing" a bad bishop and gaining pressure on the backwards d-pawn. }) 31. Ra3 { [%clk 1:17:02] } 31... Rd8 { [%clk 0:40:06] } 32. b3 { [%clk 1:16:56] } (32. Re1 { is more precise. White seeks the same idea without sticking a pawn on a light square, thus improving Black's bishop. } 32... Rh8 33. Rea1 Rh4 { was once again critical. } 34. g4 Be4 35. Bxe4 dxe4 36. Re1 f5! $10 { and Black has kept up enough activity to not have to worry about the measly a-pawn. }) 32... Rh8 { [%clk 0:37:08] } 33. Rea2 { [%clk 1:16:44] } 33... Ra8?? { Even if this was not a tactical error, passivity kills any chances Black has of disturbing the center. } { [%clk 0:37:02] } (33... Rh4 { Activity at all costs! }) 34. Be2 { [%clk 1:16:30] } 34... e5 { [%clk 0:34:00] } 35. Bxb5 $18 { White is winning now. } { [%clk 1:15:56] } 35... Rc7 { [%clk 0:31:55] } 36. dxe5 { [%clk 1:15:47] } 36... fxe5 { [%clk 0:31:49] } 37. Rxa6 { [%clk 1:15:21] } 37... Rb8 { [%clk 0:31:32] } 38. Rb6 { [%clk 1:15:15] } 38... Rxb6 { [%clk 0:31:22] } 39. cxb6 { [%clk 1:15:15] } 39... Rc8 { [%clk 0:28:52] } 40. Ra7+ { [%clk 1:15:11] } 40... Kf6 { [%clk 0:25:59] } 41. b7 { [%clk 1:15:11] } 41... Rb8 { [%clk 0:25:03] } 42. Bc6 { These might be the world's strongest tripled pawns! } { [%clk 1:15:10] } 42... Bc8 { [%clk 0:23:16] } 43. bxc8=Q { [%clk 1:15:04] } 43... Rxc8 { [%clk 0:23:16] } 44. b5 { [%clk 1:15:01] } 44... d4 { [%clk 0:23:16] } 45. Be4 { [%clk 1:15:01] } 45... Rc3 { [%clk 0:19:34] } 46. b6 { [%clk 1:14:52] } 46... Rxb3 { [%clk 0:19:25] } 47. b7 { [%clk 1:14:52] } 47... d3 { [%clk 0:19:05] } 48. Bxd3 { 1-0 White wins. } { [%clk 1:14:46] } 1-0