r1b1k2r/ppq2pp1/P2p4/2pnp2p/2B1PPPb/2P4N/P1NP3P/R1BK3R b q - 0 16
FEN state: r1b1k2r/ppq2pp1/P2p4/2pnp2p/2B1PPPb/2P4N/P1NP3P/R1BK3R b q - 0 16 ; Best move: c8g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at f7 and black pawn at g7. White pawn at a6 and black pawn at d6. Black pawn at c5, black knight at d5, black pawn at e5 and black pawn at h5. White bishop at c4, white pawn at e4, white pawn at f4, white pawn at g4 and black bishop at h4. White pawn at c3 and white knight at h3. White pawn at a2, white knight at c2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.