1.Kb8!
[1.Bc4?
Kc7
-+; 1.Kb7?
Bxc6+
-+] 1...Bxc6
2.Bc4
[2.Bb1?
Kd7
3.Ka7
Be4
4.Ba2
Kc6
5.Ka6
Kxc5
6.Ka5
Bc2
(Bc6) -+] 2...Be4
[2...Kd7
3.Ka7
Kc7
4.Ka6
=] 3.c6!
[3.Ba2?
Kd7
4.Ka7
Kc6
etc.] 3...Bxc6
4.Ba2
[4.Ka7?
Bb5
5.Ba2
Kc7
-+] 4...Kd7
5.Ka7
Kc7
6.Ka6
Kd6
7.Kb6!
[7.Ka5?
Kc5
zz 8.Bb1
(8.Bg8
Bd5
-+) 8...Kc4
9.Ba2+
Kc3
-+] 7...Bd7
8.Ka5
[8.Bc4?
Be6
-+] 8...Kc5
9.Bg8
(Bf7) 9...Bc6
10.Ba2!
zz 10...Bb5
11.Bb3!
zz 11...axb3
stalemate.