rnb1kb2/3p1pp1/p3p1n1/2p2q1r/P3PP2/BPPB3P/3P3R/1N1QK1N1 b q - 0 16
FEN state: rnb1kb2/3p1pp1/p3p1n1/2p2q1r/P3PP2/BPPB3P/3P3R/1N1QK1N1 b q - 0 16 ; Best move: f5f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at e6 and black knight at g6. Black pawn at c5, black queen at f5 and black rook at h5. White pawn at a4, white pawn at e4 and white pawn at f4. White bishop at a3, white pawn at b3, white pawn at c3, white bishop at d3 and white pawn at h3. White pawn at d2 and white rook at h2. White knight at b1, white queen at d1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.