4k2r/r2pb1p1/npq5/1PpnPp1p/8/NPPBPN2/2QP2PP/2B2K1R b k - 1 17
FEN state: 4k2r/r2pb1p1/npq5/1PpnPp1p/8/NPPBPN2/2QP2PP/2B2K1R b k - 1 17 ; Best move: c6a8
The current state of the chess board is: Black king at e8 and black rook at h8. Black rook at a7, black pawn at d7, black bishop at e7 and black pawn at g7. Black knight at a6, black pawn at b6 and black queen at c6. White pawn at b5, black pawn at c5, black knight at d5, white pawn at e5, black pawn at f5 and black pawn at h5. White knight at a3, white pawn at b3, white pawn at c3, white bishop at d3, white pawn at e3 and white knight at f3. White queen at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White bishop at c1, white king at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 17. Black to move.