r1b1kb1r/ppp1pp2/3q4/n2Q2pp/3P2n1/PPP2PP1/1R2P2P/1NB1K1NR w kq - 1 16
FEN state: r1b1kb1r/ppp1pp2/3q4/n2Q2pp/3P2n1/PPP2PP1/1R2P2P/1NB1K1NR w kq - 1 16 ; Best move: d5a5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black queen at d6. Black knight at a5, white queen at d5, black pawn at g5 and black pawn at h5. White pawn at d4 and black knight at g4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at f3 and white pawn at g3. White rook at b2, white pawn at e2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 16. White to move.