r1bkq1n1/1p3ppr/n2b3p/p1p1p3/1PPPB1QP/7R/P2P1PP1/RNB1K1N1 b Q - 1 16
FEN state: r1bkq1n1/1p3ppr/n2b3p/p1p1p3/1PPPB1QP/7R/P2P1PP1/RNB1K1N1 b Q - 1 16 ; Best move: c8g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black queen at e8 and black knight at g8. Black pawn at b7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black bishop at d6 and black pawn at h6. Black pawn at a5, black pawn at c5 and black pawn at e5. White pawn at b4, white pawn at c4, white pawn at d4, white bishop at e4, white queen at g4 and white pawn at h4. White rook at h3. White pawn at a2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 16. Black to move.