[Event "National K-12 Grade Championships 2022"] [Site "National Harbor, Maryland, Uni"] [Date "2022.12.11"] [Round "6.5"] [White "Sethuraman, Sandeep"] [Black "Lu, Maximillian"] [Result "1-0"] [WhiteElo "2462"] [BlackElo "2490"] [Variant "Standard"] [ECO "A50"] [Opening "Queen's Indian Accelerated"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Source "https://lichess.org/study/D59ifJA3/pRmtwMXu"] [Orientation "white"] 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. Nf3 e6 7. e4 Nxc3 8. bxc3 Be7 9. Bb5+ c6 10. Bd3 c5 11. O-O O-O? (11... cxd4 12. cxd4 O-O 13. d5 { Now, the same attack is less effective, since after } 13... Na6! { as Black's pieces quickly occupy the open c-file. }) 12. d5 exd5 13. exd5 g6? (13... h6 { A less fatal weakness, but Black's position is still unenviable. For instance, after } 14. c4 Nd7 15. Re1 Bf6 16. Rb1 Qc7 17. Re4 { it is entirely unclear what Black's plan is, while White's pieces continue to pursue Black's king. }) 14. Bh6 Re8 15. Bb5 { Winning the exchange. } 15... Nd7 16. Qa4 Nf6 17. c4! { Do not hurry! The rook is trapped, after all. } 17... a6 18. Bxe8 Nxe8 19. Rfe1 Nd6 20. Ne5 Bf6 21. Rad1 { While winning an exchange does not guarantee an easy game, here Black has not eliminated any of White's attacking pieces, nor does he have any breaks other than ...b6-b5. } 21... b5 22. cxb5 axb5 23. Qf4 { Unfortunately, White's attack is too powerful for Black to make use of the a-file. } 23... Ra4 (23... Rxa2? 24. Nc6 Bxc6 25. dxc6 { White wins the knight on d6. }) 24. Qc1 Qc8 25. Nc6 Nf5 26. Bg5 Rc4 27. Qxc4! { Forced? No. Pretty? Yes. } 27... bxc4 28. Bxf6 { Black has nothing. } 28... Bxc6 29. dxc6 Nd4 30. c7 Kf8 31. Re5 Qxc7 32. Rxc5! Qb7 (32... Qxc5 33. Rxd4 { Black would have to give up the queen to avoid mate. }) 33. Rd5 { 1-0 White wins. } 1-0