r1b2bk1/2p3p1/n1n1p2r/pp2Pp2/1P2P1pq/2P5/P2B1P1P/1NK1RBNR b - - 1 17
FEN state: r1b2bk1/2p3p1/n1n1p2r/pp2Pp2/1P2P1pq/2P5/P2B1P1P/1NK1RBNR b - - 1 17 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black king at g8. Black pawn at c7 and black pawn at g7. Black knight at a6, black knight at c6, black pawn at e6 and black rook at h6. Black pawn at a5, black pawn at b5, white pawn at e5 and black pawn at f5. White pawn at b4, white pawn at e4, black pawn at g4 and black queen at h4. White pawn at c3. White pawn at a2, white bishop at d2, white pawn at f2 and white pawn at h2. White knight at b1, white king at c1, white rook at e1, 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.