It has taken away their consistency, but made them more dangerous on the one-off occasion.
"But because of the earthquake, and the sentiment it has generated, all those barriers and hurdles have been able to be overcome for this special one-off occasion".
When Rangers and Celtic are reunited at Hampden Park on Sunday, it will be a one-off occasion and probably not particularly pleasant.
Their game, based on squeezing opponents, winning penalties up front and on the floor to gain territory and keeping risk to a minimum, coupled with selflessness in defence and collective understanding, is suited for the one-off occasion.
"They play to a consistently high standard every week and a team that is less consistent over the course of the season can rise above them on the one-off occasion," Moody says.
Add his brace that earned the Republic of Ireland a two-legged victory over Bosnia in the Euro 2016 play-offs last October and Walters' ability to rise to the one-off occasion is given further credence.
"It's a one-off occasion and the greatest occasion you can have in rugby league".
"I said before the game I've got absolute faith in that group of players in a one-off occasion," he said.
Being known as a "Cup team" is a mixed compliment, implying the ability to raise your game for one-off occasions, but never to sustain it.
Phillips kept his trumpeter busy, with radio broadcasts and road tours, plus one-off occasions such as the Christmas staff party at Windsor Castle.
Or that his own relentlessness, an asset in the everyday grind, drains and distracts his players on these one-off occasions, prevents them from playing cold when the situation is already hot.
