rq2kbn1/1pp1pbpr/p2p4/5p2/1P3P1N/P3P1PP/1nPPK3/1NB2BR1 b q - 1 17
FEN state: rq2kbn1/1pp1pbpr/p2p4/5p2/1P3P1N/P3P1PP/1nPPK3/1NB2BR1 b q - 1 17 ; Best move: b2a4
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at e7, black bishop at f7, black pawn at g7 and black rook at h7. Black pawn at a6 and black pawn at d6. Black pawn at f5. White pawn at b4, white pawn at f4 and white knight at h4. White pawn at a3, white pawn at e3, white pawn at g3 and white pawn at h3. Black knight at b2, white pawn at c2, white pawn at d2 and white king at e2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. Black to move.