18 Jun 08
3 edits
Originally posted by greenpawn341 Bh6 Ka2
White to play and mate.
White is allowed to move only his Bishops.
The White King and pawns are not allowed to move.
The Black King and Black pawns can move.
[fen]8/4p1B1/2P5/4pP1p/2P1P2P/P6B/2K2PP1/k7/w--[/fen]
H.E. Dudeney BCM 1917
2 Bc1 Ka1
3 Bd2 Ka2
4 Bb4 Ka1
5 Bc3+ Ka2
6 Bb2 (zugzwang) e6
7 Bc1 Ka1
8 Bd2 Ka2
9 Bb4 Ka1
10 Bc3+ Ka2
11 Bb2 (zugzwang) ef
12 Bxe5 Kxa3
13 Bc3 fe
14 Bd2 e3
15 Bxe3 Kb4
16 Be6 Ka5
17 Bc8 Kb4
18 Ba6 Ka5
19 Bb5 Kb4
20 Bb6 Ka3
21 Bc5+ Ka2
22 Ba4 Ka1
23 Bb4 Ka2
24 Bb3+ Ka1
25 Bc3#
or
12... fe
13 Bd4 Kxa3
14 Bc8 Kb4
15 Ba6 Ka5
16 Bb5 Kb4
17 Bb6 Ka3
18 Bc5+ Ka2
19 Ba4 Ka1
20 Ba3 e3
21 Bb2+ Ka2
22 Bb3#