r4knr/ppNbbp2/8/1qppp2p/1nP1P1PP/P7/R2P1P2/2BQKBNR b K - 0 16
FEN state: r4knr/ppNbbp2/8/1qppp2p/1nP1P1PP/P7/R2P1P2/2BQKBNR b K - 0 16 ; Best move: b5a5
The current state of the chess board is: Black rook at a8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, white knight at c7, black bishop at d7, black bishop at e7 and black pawn at f7. Black queen at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at h5. Black knight at b4, white pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3. White rook at a2, white pawn at d2 and white pawn at f2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.