Formation change

[Rapyer]

if you change formation often, like more than 3 games in row, your team performance suffers

1 game formation change doesnt seem to have too much of an effect, so you can preserve players etc, anything more and you are asking for bad results

[ProVeN]

if you change formation often, like more than 3 games in row, your team performance suffers

what the? this would mean using counter tactics is pretty inefficient