In Dark chess: It would be very nice, and a great help for visual thinking if the "unseen" squares would have the same black and white background colours as the rest of the board. The foreground of course would still be a question mark.
URL:
User:
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3
(nascondi) Se all’improvviso la pagina viene visualizzata in una lingua differente, clicca sulla bandierina italiana e tutto apparirà di nuovo normale. (pauloaguia) (mostra tutti i suggerimenti)