[Event "2026 National Invitational Tournaments"] [Site "Grand Rapids, MI"] [Date "2026.08.05"] [Round "4.6"] [White "Mangudi, Amudan"] [Black "Colville, Julian"] [Result "1-0"] [WhiteElo "2094"] [BlackElo "2447"] [Annotator "Foisor,Sabina"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "2026 U.S. Open and Invitationals, Pt. 1"] [ChapterName "Mangudi, Amudan - Colville, Julian"] [ChapterURL "https://lichess.org/study/GybCbfWL/9TDb7wIg"] [FEN "2kr3r/ppp1qp2/2n1b3/3p2pp/3P4/PQP1PPP1/5KP1/1R3BNR b - - 0 16"] [SetUp "1"] [Orientation "white"] 16... Kd7? { [%anno "ChessLifeOnline", chesslifeonline] A tough decision. Black decides to protect the b7-pawn indirectly, but the placement of Black's king led to White unleashing an unchecked attack. } (16... b6 { [%anno "ChessLifeOnline", chesslifeonline] shows no trace of the possibility of developing a queenside attack for White. } 17. Ba6+ Kb8 18. c4 (18. Qa4 Qd6 19. Bb5 Bf5 20. Rc1 Na5 $15) 18... dxc4 19. Qc3 Bf5 $17) 17. c4! dxc4 18. Bxc4 Bxc4 19. Qxc4 Rhe8 20. e4!? (20. Qd3 { [%anno "ChessLifeOnline", chesslifeonline] may have been a bit more precise, also threatening Qd3-f5 while keeping White's king safe. } { [%cal Gd3f5,Gh1h5] } 20... Kc8 21. Rxh5 $18) 20... Kc8 21. Ne2 h4 { [%anno "ChessLifeOnline", chesslifeonline] This only gives up more material and leaves no more chances for a comeback. } (21... Qf6 { [%anno "ChessLifeOnline", chesslifeonline] may have been the final try to keep some chances of counterplay, but things are already quite bad for Black due to the waste of time with ... Kc8-d7-c8. } 22. Qb5 b6 23. Rxh5 Nxd4 24. Qxg5 Qxg5 25. Rxg5 Nc2 26. Nf4 Rd2+ 27. Kg1 Red8 $44) 22. gxh4 Qd6 23. hxg5 Rg8 24. Rh6 Qxa3 25. Qxf7 Nxd4 26. Nxd4 Qd3 27. Qe6+ Kb8 28. Nc6+ Ka8 29. Nxd8 Qc2+ 30. Kg3 Rxg5+ 31. Kh4 1-0