r1bq2nr/ppp1kp2/B2pp3/P5p1/2PnP3/1P3P1N/1BNP2PP/1R1QK2R w K - 1 16
FEN state: r1bq2nr/ppp1kp2/B2pp3/P5p1/2PnP3/1P3P1N/1BNP2PP/1R1QK2R w K - 1 16 ; Best move: c2d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at e7 and black pawn at f7. White bishop at a6, black pawn at d6 and black pawn at e6. White pawn at a5 and black pawn at g5. White pawn at c4, black knight at d4 and white pawn at e4. White pawn at b3, white pawn at f3 and white knight at h3. White bishop at b2, white knight at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at b1, white queen at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 16. White to move.