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) Hast du lust auf ein schnelles Spiel welches sicher in den nächsten zwei Stunden beendet ist? Starte ein neues Spiel mit den Zeiteinstellungen 0 Tage / 1 Stunde, Bonus 0 Tage / 0 Stunden und Limit 0 Tage / 1 Stunde. (TeamBundy) (zeige alle Tips)