I was thinking of requesting the same thing before the next round of Circular Chess games. The JPEG compression artifacts can be rather distracting. In some cases one can get rid of them, e.g. by specifying quality=100 in the URL, but I couldn't find a way to make this work with my userid specified (e.g. when entering a move).
quality=100
in the URL, but I couldn't find a way to make this work with my userid specified (e.g. when entering a move).