I would actually suggest that the option SHOULD be placed on the 19x19 board. Remember, the 13x13 board is ONLY here to accommodate the WebTV users.
As far as ratings go, I agree with Dmitri that it is a problem to use restricted and unrestricted games together in calculating a single ranking. I disagree with his suggestion of only allowing unrated games for the unrestricted variant. That’s not right. Creating a separate game on the site would work. How about calling it Original Pente, since that’s how the rules originally were. :-)
(verstecken) Wenn du in einem Spiel einen Zug machst kannst du wählen wohin du als nächstes landen willst indem du in der Auswahl neben dem Senden-Knopf das passende wählst. (pauloaguia) (zeige alle Tips)