user2263: There is a black bishop at a4, black queen at b4, a black king at e5 and a white king at c1. There is a checkmate in 3 moves. I want to know what the moves are.
[FEN "8/8/8/4k3/bq6/8/8/2K5 b - - 0 1"]


user7297: Black mates in three with
[FEN "8/8/8/4k3/bq6/8/8/2K5 b - - 0 1"]

1... Qb7 2. Kd2 Qe4 3. Kc1 (3. Kc3 Qd4#) Qc2#

The paradoxical Qb7 is the only solution, you can check this with an endgame database.

2263: <p>There is a black bishop at a4, black queen at b4, a black king at e5 and a white king at c1. There is a checkmate in 3 moves. I want to know what the moves are.</p>

<pre><code>[FEN "8/8/8/4k3/bq6/8/8/2K5 b - - 0 1"]
</code></pre>
 7297: <p>Black mates in three with</p>

<pre><code>[FEN "8/8/8/4k3/bq6/8/8/2K5 b - - 0 1"]

1... Qb7 2. Kd2 Qe4 3. Kc1 (3. Kc3 Qd4#) Qc2#
</code></pre>

<p>The paradoxical Qb7 is the only solution, you can check this with an <a href="http://www.shredderchess.com/online-chess/online-databases/endgame-database.html">endgame database</a>.</p>
