Tactic 0010

[Event "ICC Blitz"]
[White "jbennett"]
[Black "Xterminater"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "3rk2r/p3b1pp/q1p1Pp2/8/2p5/1nB1PQ2/2B2PPP/1R3RK1 w k - 0 20"]

{White to move, black just played f6 }
{Second best is Rxb3 (4.94) best is Qh5+ (mate in four) }
1.Qh5+ g6
2.Bxg6+ hxg6
3.Qxg6+ Kf8
4.Qf7#
*