r1bnk3/2p1qp1r/pB3n1b/1p1ppBpp/2PP1N2/PP3PP1/3KP2P/RN1Q3R b q - 0 17
FEN state: r1bnk3/2p1qp1r/pB3n1b/1p1ppBpp/2PP1N2/PP3PP1/3KP2P/RN1Q3R b q - 0 17 ; Best move: c8f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at d8 and black king at e8. Black pawn at c7, black queen at e7, black pawn at f7 and black rook at h7. Black pawn at a6, white bishop at b6, black knight at f6 and black bishop at h6. Black pawn at b5, black pawn at d5, black pawn at e5, white bishop at f5, black pawn at g5 and black pawn at h5. White pawn at c4, white pawn at d4 and white knight at f4. White pawn at a3, white pawn at b3, white pawn at f3 and white pawn at g3. White king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.