rn1k1bnr/1pp3pp/4b3/5p2/1P4P1/1RN2p1B/2PPP2P/2qQK1NR b K - 1 13
FEN state: rn1k1bnr/1pp3pp/4b3/5p2/1P4P1/1RN2p1B/2PPP2P/2qQK1NR b K - 1 13 ; Best move: c1d1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at g7 and black pawn at h7. Black bishop at e6. Black pawn at f5. White pawn at b4 and white pawn at g4. White rook at b3, white knight at c3, black pawn at f3 and white bishop at h3. White pawn at c2, white pawn at d2, white pawn at e2 and white pawn at h2. Black queen at c1, 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 1. Full move number is 13. Black to move.