r4b1r/p2pkp1p/npp1p1pn/8/NPb1q2P/PQ2P2N/R2P1PPR/2B1KB2 w - - 2 16
FEN state: r4b1r/p2pkp1p/npp1p1pn/8/NPb1q2P/PQ2P2N/R2P1PPR/2B1KB2 w - - 2 16 ; Best move: f1c4
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6, black pawn at e6, black pawn at g6 and black knight at h6. White knight at a4, white pawn at b4, black bishop at c4, black queen at e4 and white pawn at h4. White pawn at a3, white queen at b3, white pawn at e3 and white knight at h3. White rook at a2, white pawn at d2, white pawn at f2, white pawn at g2 and white rook at h2. White bishop at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 16. White to move.