r1bq1bnr/p2kp3/n2p1pp1/1R6/1P2PP1p/1P4PN/2p2K1P/1NB1QB1R b - - 1 16
FEN state: r1bq1bnr/p2kp3/n2p1pp1/1R6/1P2PP1p/1P4PN/2p2K1P/1NB1QB1R b - - 1 16 ; Best move: c2b1q
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black king at d7 and black pawn at e7. Black knight at a6, black pawn at d6, black pawn at f6 and black pawn at g6. White rook at b5. White pawn at b4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at b3, white pawn at g3 and white knight at h3. Black pawn at c2, white king at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 16. Black to move.