r2qkbr1/1b2p1pp/1pn2p2/pP1p4/P1B4P/2p1P3/R1PP1KP1/2B3R1 b q - 0 17
FEN state: r2qkbr1/1b2p1pp/1pn2p2/pP1p4/P1B4P/2p1P3/R1PP1KP1/2B3R1 b q - 0 17 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at b7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at b6, black knight at c6 and black pawn at f6. Black pawn at a5, white pawn at b5 and black pawn at d5. White pawn at a4, white bishop at c4 and white pawn at h4. Black pawn at c3 and white pawn at e3. White rook at a2, white pawn at c2, white pawn at d2, white king at f2 and white pawn at g2. White bishop at c1 and white rook at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.