r1q2bn1/p1pkpbp1/2np2R1/5p2/PpPP4/1P6/2Q1PP2/RNB1KBNr b Q - 0 16
FEN state: r1q2bn1/p1pkpbp1/2np2R1/5p2/PpPP4/1P6/2Q1PP2/RNB1KBNr b Q - 0 16 ; Best move: c6d4
The current state of the chess board is: Black rook at a8, black queen at c8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7, black bishop at f7 and black pawn at g7. Black knight at c6, black pawn at d6 and white rook at g6. Black pawn at f5. White pawn at a4, black pawn at b4, white pawn at c4 and white pawn at d4. White pawn at b3. White queen at c2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and black rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.