Solution

Mate in Three:

1.Rb8+!

1.Rh1? 0-0-0!.

1... Rxb8

1...Bxb8 2.Rxa8 Kf8 3.Rxb8#.

2.Rh1 Bd4
3.Rh8#

In the main line or the variation, the white rook visits all corners. Main page        Back to mate in three page