r1b2k1r/p1p3pp/4pq1n/4np2/1bPNPP2/p1QP3P/PP1K2P1/R1B2B1R b - - 0 16
FEN state: r1b2k1r/p1p3pp/4pq1n/4np2/1bPNPP2/p1QP3P/PP1K2P1/R1B2B1R b - - 0 16 ; Best move: e5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at e6, black queen at f6 and black knight at h6. Black knight at e5 and black pawn at f5. Black bishop at b4, white pawn at c4, white knight at d4, white pawn at e4 and white pawn at f4. Black pawn at a3, white queen at c3, white pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white king at d2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 16. Black to move.