3qkbnr/r1p1ppp1/1B1p3p/pp2n3/1P2N3/P2PK1Pb/2P1PP1P/R2Q1BNR b k - 4 12
FEN state: 3qkbnr/r1p1ppp1/1B1p3p/pp2n3/1P2N3/P2PK1Pb/2P1PP1P/R2Q1BNR b k - 4 12 ; Best move: c7b6
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at g7. White bishop at b6, black pawn at d6 and black pawn at h6. Black pawn at a5, black pawn at b5 and black knight at e5. White pawn at b4 and white knight at e4. White pawn at a3, white pawn at d3, white king at e3, white pawn at g3 and black bishop at h3. White pawn at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 12. Black to move.