Tournament 2006 December King's Gambit, Muzio Gambit / White has gambitted a whole piece but has three pieces all bearing down on black's isolated king's bishop's pawn, his weakest square. Such wild play is rare in modern chess.
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4!? g4 5.0-0 gxf3 6.Qxf3.