rnb2Nnr/2kp2p1/ppp2p2/N3p2p/5PP1/P2P4/1P2P2P/R1qQKBR1 b Q - 0 16
FEN state: rnb2Nnr/2kp2p1/ppp2p2/N3p2p/5PP1/P2P4/1P2P2P/R1qQKBR1 b Q - 0 16 ; Best move: c1d1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, white knight at f8, black knight at g8 and black rook at h8. Black king at c7, black pawn at d7 and black pawn at g7. Black pawn at a6, black pawn at b6, black pawn at c6 and black pawn at f6. White knight at a5, black pawn at e5 and black pawn at h5. White pawn at f4 and white pawn at g4. White pawn at a3 and white pawn at d3. White pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, black queen at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.