The Italian tactician is aware of the challenge facing his side against the Spanish giants in their upcoming Champions League tie
Antonio Conte acknowledged Chelsea must produce the "perfect game" to get the better of Spanish giants Barcelona in their Champions League last-16 tie.
Premier League champions Chelsea welcome La Liga leaders Barca and Lionel Messi to Stamford Bridge for the opening leg on Tuesday.
It has been a difficult season for Conte and Chelsea amid uncertainty over the Italian's future following back-to-back defeats in the league, though the Londoners have responded with wins over West Brom and Hull City.