Tactic 0156

[Event "ICC Blitz"]
[White "jbennett"]
[Black "ThePawnSnatcher"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "2q3k1/p2b1pp1/1p6/6Q1/8/3R4/5P1K/8 w - - 0 42"]

{White to move, black just played Bd7. }
{Second best is Kg3 (-0.60), best is Qe7 (2.53) }
1. Qe7 Qc7+ {If the bishop moves, then Rd8+ wins the queen. }
2. Rd6 Qc5 {Now the bishop can't move because it is pinned against the queen. }
3. Qd8+ Be8
4. Qxe8+ Kh7
*