Tactic 0212

[Event "ICC Blitz"]
[White "swagger"]
[Black "jbennett"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "R7/4k1p1/5n2/P7/8/5B1P/1r1p2P1/7K b - - 0 46"]

{Black to move, white just played Bf3. }
{Second best is Rb1+ (-0.76), best is Rb3 (-3.67) }
1... Rb3
2. Ra7+ {The bishop can't stay on the diagonal guarding the }
{queening square: If Bd1, then Rb1 wins the bishop, and if }
{Be2, then Re3 chases the bishop to d1, and Re1+ wins it. }
2... Kd6
3. Ra6+ Ke5
4. Rxf6 Kxf6 {With the knight gone, the bishop can stay on the diagonal. }
5. Be2 Ra3
6. g3 Rxa5
7. Kg2 Ra1 {Now advancing the pawn will win the bishop. }
*