r1bqkbr1/2pn2pp/3ppp1Q/Pp6/RP3P2/6P1/2PP3P/1NBK2NR w q - 0 16
FEN state: r1bqkbr1/2pn2pp/3ppp1Q/Pp6/RP3P2/6P1/2PP3P/1NBK2NR w q - 0 16 ; Best move: h6h5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at c7, black knight at d7, black pawn at g7 and black pawn at h7. Black pawn at d6, black pawn at e6, black pawn at f6 and white queen at h6. White pawn at a5 and black pawn at b5. White rook at a4, white pawn at b4 and white pawn at f4. White pawn at g3. White pawn at c2, white pawn at d2 and white pawn at h2. White knight at b1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.