Longest mate in King and Bishop versus King and Knight endgame

Mate in 1

Also available in PGN notation.

White to move

Mate in 1 with Bb7#. Worse are Bb5, Bc4, Bc8, Bd3, Be2, Bf1, Ka5, Kb5, Kc5 and Kc7 which throw away the win.

1. Bb7#

Checkmate.

1-0

An endgame analysis by Joe Leslie-Hurd on 16 February 2005.