r1b2bnr/Pp1k2p1/5q2/1np1pp1p/2P1p3/NQ1BKP1N/P2P2PP/R1B4R b - - 0 16
FEN state: r1b2bnr/Pp1k2p1/5q2/1np1pp1p/2P1p3/NQ1BKP1N/P2P2PP/R1B4R b - - 0 16 ; Best move: b5d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. White pawn at a7, black pawn at b7, black king at d7 and black pawn at g7. Black queen at f6. Black knight at b5, black pawn at c5, black pawn at e5, black pawn at f5 and black pawn at h5. White pawn at c4 and black pawn at e4. White knight at a3, white queen at b3, white bishop at d3, white king at e3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 16. Black to move.