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30th June 2018
11:00am BST

"You might have appreciated there were some incidents that suddenly disappeared," Collina explained.
"It's impossible to be right from the start. We intervened and fine-tuned."
Since the tournament began, referees have called 95% of incidents correctly without the use of VAR. When called upon, it has helped improve that success rate by more than four percent.
"We have always said that VAR doesn't mean perfection - there could still be the wrong interpretation or a mistake - but I think you would agree that 99.3% is very close to perfection," added Collina.
VAR's use in Russia has also had an impact on how the last-16 stage shapes up. Although the incidents influenced by it didn't change which teams qualified for the knockout stages, they did have an impact on who topped Groups B, C and F... not that Sweden are complaining.Explore more on these topics: