2bqkbnr/r3p1p1/npp5/pP1p4/2PPP1pp/5P2/P4KPP/RNBQ1B1R b k - 0 16
FEN state: 2bqkbnr/r3p1p1/npp5/pP1p4/2PPP1pp/5P2/P4KPP/RNBQ1B1R b k - 0 16 ; Best move: d5e4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at e7 and black pawn at g7. Black knight at a6, black pawn at b6 and black pawn at c6. Black pawn at a5, white pawn at b5 and black pawn at d5. White pawn at c4, white pawn at d4, white pawn at e4, black pawn at g4 and black pawn at h4. White pawn at f3. White pawn at a2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.