In this chess position, it is white to move. How should white proceed?
Kramnik v Aleksandrov
Batumi Chess Olympiad - Round 8
1.Nd5 cd5 (what else?) 2.Rb6+ Kd7 3.Bf1 and the only play I see for black is Kd8, but white still can play Bb5: 3..........Kd8 4.Bb5 Re6 5.Rb7! and the rook at e8 can't go anywhere because of the threat of Rd7+ followed by mate.