r1b1kbnr/p1p1p3/3B1p2/np1p4/1PP2p2/P2PP1PP/8/RN1K1BNR b - - 1 17
FEN state: r1b1kbnr/p1p1p3/3B1p2/np1p4/1PP2p2/P2PP1PP/8/RN1K1BNR b - - 1 17 ; Best move: a5b3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at e7. White bishop at d6 and black pawn at f6. Black knight at a5, black pawn at b5 and black pawn at d5. White pawn at b4, white pawn at c4 and black pawn at f4. White pawn at a3, white pawn at d3, white pawn at e3, white pawn at g3 and white pawn at h3. White rook at a1, white knight at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 17. Black to move.