Tactic 0124

[Event "ICC Blitz"]
[White "jbennett"]
[Black "gberto1"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "r5k1/2R3p1/1rbNp2p/2p5/4P3/1P4PP/5PB1/6K1 w - - 0 29"]

{White to move, black just played h6. }
{Second best is Nc4 (0.24), best is Nc8 (1.36) }
1. Nc8 Rxc8 {If Rba6, then Ne7+ wins the bishop. }
2. Rxc8+ Kf7
3. Rc7+ Kf8
4. f4
*