r1bq4/p2k1pb1/np3nr1/2ppp2p/P1N2p2/1PPP1K1N/1B2P1PP/1R1Q1B1R w - - 2 16
FEN state: r1bq4/p2k1pb1/np3nr1/2ppp2p/P1N2p2/1PPP1K1N/1B2P1PP/1R1Q1B1R w - - 2 16 ; Best move: c4e5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black queen at d8. Black pawn at a7, black king at d7, black pawn at f7 and black bishop at g7. Black knight at a6, black pawn at b6, black knight at f6 and black rook at g6. Black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at a4, white knight at c4 and black pawn at f4. White pawn at b3, white pawn at c3, white pawn at d3, white king at f3 and white knight at h3. White bishop at b2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at b1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 16. White to move.