rnb1kr2/3pn1B1/pP2p1p1/q1Q4p/P1P1Pp2/R2P2P1/5P1P/1N1K1BNR b q - 0 17
FEN state: rnb1kr2/3pn1B1/pP2p1p1/q1Q4p/P1P1Pp2/R2P2P1/5P1P/1N1K1BNR b q - 0 17 ; Best move: a5c5
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 rook at f8. Black pawn at d7, black knight at e7 and white bishop at g7. Black pawn at a6, white pawn at b6, black pawn at e6 and black pawn at g6. Black queen at a5, white queen at c5 and black pawn at h5. White pawn at a4, white pawn at c4, white pawn at e4 and black pawn at f4. White rook at a3, white pawn at d3 and white pawn at g3. White pawn at f2 and white pawn at h2. White knight at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.