1.Rxb7 Rd6
Black doesn't dare capture the bishop: 1...Qxe6 2.Bc5 Kf7 (The
queen exchange is likewise impossible: 2...Qxe2 3.Rxe7+ Qxe7 4.Rxe7
mate) 3.Qxe6+ Kg6 and White's material superiority is easily
winning.
2.Bb3 Nd5 3.Bxa7
Notice that the white battery (Qe2-Re1) skewers the black bishop?
Black is in danger of getting mated, so...
3...Qxe2
4.Rxe2 Rd7
It looks like Black has all his bases covered, but White sees that the
d7-rook is pinned; Black's e7-square is still vulnerable.
5.Bxd5 cxd5
5...Rxb7 6.Bxc6+ Rd7 7.Rd2 and White
wins by ganging up on the pinned piece.
6.Rxe7+ Rxe7
7.Rxe7+ Kxe7 8.Bc5+
After the exchange of bishop for rook on f8, White will remain two
pawns up, including an outside passed pawn, and should win handily.
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