The first one. When a player chooses 10 alternative 5ths, they should give 10 different positions that are not symmetrical (distance to the edges ignored).
I thought fouls in renju were akin to moving the king in check in chess and the move should not be able to be played rather than it resulting in a loss. GomokuQuest app prevents fouls, haven’t played at any other sites. Are both methods common?
