White to Play and Win (again)

Originally posted by ShowdownDan
Mate in 3

1. Qxb6 a3 or a4
2. Bc3+ Ka2
3. Qb2#

Originally posted by Peakite
The black pawn cannot go backwards. If it were to move it would have to be to either a1 or b1 if a later position allowed for it.

Originally posted by Bowmann
[fen]8/8/1q6/2Q5/8/8/p7/k3B1K1[/fen]

Originally posted by hypothetical
One more try. 1. Bc3+ Kb1 2. Qxb6+ Kc2 3. Qb2+ Kd3 then you can either move the bishop out of the way, or take the pawn and just have a K+Q vs. K ending.

Originally posted by abejnood
Nope. 1.Bc3+ Qb2!

It depends which way black is playing, doesn't it?

1. Bc3+ Qb2
2. Bf6 Kb1
3. Qf5+ Qc2
4. Qb5+ Kc1
5. Bg5+ Qd2
6. Bxd2+ Kxd2
7. Qd5+ Ke3
8. Qxa2 Kd4
9. Kf2 Ke4
10. Qe6+ Kd3
11. Qg4 Kc3
12. Ke3 Kb2
13. Qb4+ Kc2
14. Ke2 Kc1
15. Kd3 Kd1
16. Qd2#

Why can't you do:
Qc1+ Qb1
Bc3#

Originally posted by Black Queen
Why can't you do:
Qc1+ Qb1
Bc3#

Originally posted by ilywrin
Maybe because the White queen is pinned?! Anyway, why dig these old threads?