r1q2b1r/pb5p/nk5n/2pppPpN/Pp1PP2P/1P3P2/2PQ2R1/R1B1KBN1 b Q - 0 17
FEN state: r1q2b1r/pb5p/nk5n/2pppPpN/Pp1PP2P/1P3P2/2PQ2R1/R1B1KBN1 b Q - 0 17 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black queen at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7 and black pawn at h7. Black knight at a6, black king at b6 and black knight at h6. Black pawn at c5, black pawn at d5, black pawn at e5, white pawn at f5, black pawn at g5 and white knight at h5. White pawn at a4, black pawn at b4, white pawn at d4, white pawn at e4 and white pawn at h4. White pawn at b3 and white pawn at f3. White pawn at c2, white queen at d2 and white rook at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.