r2q1knr/1p2p1bp/1n3p2/p2p2p1/1pPP1PP1/1P3B1N/P1Q1P2P/RN2K2R b KQ - 0 16
FEN state: r2q1knr/1p2p1bp/1n3p2/p2p2p1/1pPP1PP1/1P3B1N/P1Q1P2P/RN2K2R b KQ - 0 16 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7, black bishop at g7 and black pawn at h7. Black knight at b6 and black pawn at f6. Black pawn at a5, black pawn at d5 and black pawn at g5. Black pawn at b4, white pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at b3, white bishop at f3 and white knight at h3. White pawn at a2, white queen at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 16. Black to move.