rn3k1r/2pbppbp/pq4pn/1p1p4/1PP3P1/P1N2P2/3PP1BP/BR1QK1NR b K - 8 12
FEN state: rn3k1r/2pbppbp/pq4pn/1p1p4/1PP3P1/P1N2P2/3PP1BP/BR1QK1NR b K - 8 12 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at f8 and black rook at h8. Black pawn at c7, black bishop at d7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at a6, black queen at b6, black pawn at g6 and black knight at h6. Black pawn at b5 and black pawn at d5. White pawn at b4, white pawn at c4 and white pawn at g4. White pawn at a3, white knight at c3 and white pawn at f3. White pawn at d2, white pawn at e2, white bishop at g2 and white pawn at h2. White bishop at a1, white rook at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 8. Full move number is 12. Black to move.