A John Terry own-goal early in the second half at Selhurst Park condemned the Blues to their second defeat in three games and dented their Premier League title hopes.
And Mourinho feels that certain members of his squad find it difficult to cope against “aggressive” opponents.
Clearly we have some players who find it difficult to perform in some matches
“You see the matches we lost, except Villa, and you try to find points in common,” said Mourinho. “Stoke City away, Everton away, Newcastle away, Palace away, West Brom away when we lost two points, you try to find points in common and you find.
“Branislav Ivanovic, Gary Cahill, John Terry, Cesar Azpilicueta perform in the rain, the sun, big pitches, small pitches, aggressive teams, not aggressive teams. They perform every game from day one to today.
“Clearly we have some players who, because of their profile, find it difficult to perform in some matches.
“They are fantastic in some matches but they disappear in other matches. You can find easily in these matches something in common.”
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