Originally posted by David113
White's last move was c4 (not e4 since wBf1 had to get out and be captured by one of the black pawns). So: 1...b:c3 2.~ c2#.
Originally posted by woodworm
[fen]8/3p4/3p4/2pPp3/1pPkPp2/1n1p1n2/P2p2P1/3K4 b - - 0 1[/fen]
Black to move and mate in 2 moves!
There is a single answer!