1nb1kb1r/2q2npN/8/r1pp1p1Q/p1ppPP1P/2B5/PPPK2P1/RN5R b k - 4 17
FEN state: 1nb1kb1r/2q2npN/8/r1pp1p1Q/p1ppPP1P/2B5/PPPK2P1/RN5R b k - 4 17 ; Best move: f5e4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black queen at c7, black knight at f7, black pawn at g7 and white knight at h7. Black rook at a5, black pawn at c5, black pawn at d5, black pawn at f5 and white queen at h5. Black pawn at a4, black pawn at c4, black pawn at d4, white pawn at e4, white pawn at f4 and white pawn at h4. White bishop at c3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2 and white pawn at g2. White rook at a1, white knight at b1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 17. Black to move.