[Event "National K-12 Grade Championships: 5th Grade"] [Site "National Harbor, MD"] [Date "2024-12-08"] [Round "6.22"] [White "Debmisra, Ariv"] [Black "Yang, Lucas"] [Result "1-0"] [WhiteElo "2043"] [WhiteFideId "39900207"] [BlackElo "1996"] [Annotator "Lang, JJ"] [Variant "Standard"] [ECO "B22"] [Opening "Sicilian Defense: Alapin Variation"] [StudyName "2024 National K-12 Grade Championships"] [ChapterName "Debmisra, Ariv - LUCAS YANG"] [Source "https://lichess.org/study/BpCvdq2G/4zm0ZsA0"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 1:30:00] } 2. c3 { [%clk 1:30:00] } 2... Nf6 { [%clk 1:30:00] } 3. e5 { [%clk 1:29:58] } 3... Nd5 { [%clk 1:30:00] } 4. Nf3 { [%clk 1:29:58] } 4... e6 { [%clk 1:30:00] } 5. d4 { [%clk 1:29:58] } 5... d6 { [%clk 1:30:00] } 6. Bd3 { [%clk 1:29:47] } 6... cxd4 { [%clk 1:30:00] } 7. cxd4 { [%clk 1:29:47] } 7... Nc6 { [%clk 1:30:00] } 8. O-O { [%clk 1:29:41] } 8... Ncb4?! { Black rightfully goes after White's powerful light-squared bishop, exploiting the fact that White's knight is still home on the b1-square to pre-empt Bd3-b1 ideas. } { [%clk 1:30:00] } (8... Ndb4! { but this was the right knight, as } 9. Be4 d5 { is an even better version of Black's intended plan. }) 9. Be4 { Now, there's the problem of an incoming a2-a3 and Black does not have ... d6-d5 anymore. } { [%clk 1:29:41] } 9... Nb6 { Clearing the d5-square for the b4-knight. } { [%clk 1:27:09] } 10. a3 { [%clk 1:29:15] } 10... d5?! { Black is playing with fire! } { [%clk 1:26:56] } (10... N4d5) 11. Bxh7 { White correctly assesses that a pawn is a pawn here. } { [%clk 1:26:50] } 11... Rxh7 { [%clk 1:26:48] } 12. axb4 { Probably, the half-open h-file is not any compensation for the pawn here, as Black's dark-squared bishop and knight are both ill-equipped to join the h7-rook. Still, playing this sequence as a gambit was preferable. } { [%clk 1:26:50] } 12... Bxb4?? { The b4-bishop is not attacked, but it is still an unprotected piece on a board with an uncastled king. } { [%clk 1:25:11] } 13. Qd3! { White forks the h7-rook with the threat of Qd3-b5+ winning the b4-bishop. } { [%clk 1:26:49] } 13... Rh5 { [%clk 1:13:14] } 14. Qb5+ { Played quickly, demonstrating that Debmisra had calculated this already. } { [%clk 1:26:37] } 14... Bd7 { [%clk 1:13:14] } 15. Qxb4 { [%clk 1:26:32] } 15... Rf5 { [%clk 1:12:07] } 16. Nbd2 { [%clk 1:25:28] } 16... a6 { [%clk 1:09:59] } 17. b3 { [%clk 1:25:08] } 17... Bb5 { [%clk 1:08:18] } 18. Re1 { [%clk 1:24:43] } 18... Nd7 { [%clk 1:04:16] } 19. Ba3 { [%clk 1:22:52] } 19... Rc8 { [%clk 0:48:52] } 20. Rac1 { [%clk 1:22:49] } 20... Bc6 { [%clk 0:48:52] } 21. Qc3 { [%clk 1:20:31] } 21... Nb6 { [%clk 0:46:31] } 22. Qe3 { [%clk 1:19:59] } 22... Rh5 { [%clk 0:46:11] } 23. Qf4 { [%clk 1:18:27] } 23... Ra8 24. Qg4 { [%clk 1:18:21] } 24... g6 { [%clk 0:40:08] } 25. Qf4 { [%clk 1:18:11] } 25... Nc8 { [%clk 0:37:56] } 26. Nf1 { [%clk 1:17:35] } 26... Rf5 { [%clk 0:35:24] } 27. Qh6 { 1-0 White wins. } { [%clk 1:15:22] } 1-0