Well:
"When the players got stronger they found that playing with "completely free" rules was in great favour of Black (the beginner of the game). It is also proved that there is a sure win for Black when playing with "completely free" rules."
(from http://www.renju.nu/r1rulhis.htm)
The rule "no-more-then-five for black" is one of "black" restrictions in renju.
(gem) Taber du konstant på timeouts? Betalende medlemmer kan aktivere "automatisk ferie" til automatisk at påbegynde feriedage når de ellers ville få timeout. (pauloaguia) (vis alle tips)