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I agree that challenges should not be allowed downward. That makes no sense. However, I would not like to be obligated to more than a couple games in any ladder system (I'm sure most pawns would agree). If there was a tight limit, say 3 days, things would move quick enough IMHO.
(kaŝi) Se vi volas eltrovi pli pri iuj ludoj, vi povas rigardi en la sekcio "Ligiloj" ĉu vi trovas tie interesajn ligilojn. (pauloaguia) (Montri ĉiujn konsilojn)