dAGGER: I have overlooked one thing: one could form a blocking position to keep the opponent out of the own yard. This is prevented by the current rule.
It was just a thought, motivated by my dislike of rules with arbitrary numbers like "after 30 moves".
(kaŝi) Se vi volas saluti iun en ties denaska lingvo, provu nian 'vortaron de ludanto', en la ligo "pli pri lingvoj" sub la flagoj. (pauloaguia) (Montri ĉiujn konsilojn)