r1b1kb1r/p1q2ppp/1p2pB2/1NppPQ2/6PP/1PnP1N2/2P2P2/R3KB1R b - - 4 17
FEN state: r1b1kb1r/p1q2ppp/1p2pB2/1NppPQ2/6PP/1PnP1N2/2P2P2/R3KB1R b - - 4 17 ; Best move: c3b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black pawn at e6 and white bishop at f6. White knight at b5, black pawn at c5, black pawn at d5, white pawn at e5 and white queen at f5. White pawn at g4 and white pawn at h4. White pawn at b3, black knight at c3, white pawn at d3 and white knight at f3. White pawn at c2 and white pawn at f2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 17. Black to move.