1rbbk2r/1p3pp1/2p1pP1n/p3pP1p/P6P/BP5Q/nRPP2BR/4K1N1 b k - 0 21
FEN state: 1rbbk2r/1p3pp1/2p1pP1n/p3pP1p/P6P/BP5Q/nRPP2BR/4K1N1 b k - 0 21 ; Best move: d8f6
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at d8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at f7 and black pawn at g7. Black pawn at c6, black pawn at e6, white pawn at f6 and black knight at h6. Black pawn at a5, black pawn at e5, white pawn at f5 and black pawn at h5. White pawn at a4 and white pawn at h4. White bishop at a3, white pawn at b3 and white queen at h3. Black knight at a2, white rook at b2, white pawn at c2, white pawn at d2, white bishop at g2 and white rook at h2. White king at e1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.