QPR veteran Shaun Derry admits Chelsea's millionaires 'don't like it up 'em' after victory on Sunday.
The R's approach rattled their opponents, which saw two players sent off in the defeat.
"We definitely had a game plan where we wanted to unnerve them and put them under pressure in the right areas. I thought it came off," said Derry.
"What do you do? Do you sit off these players and let them dictate or get amongst them and mix it with them? I don't think we were vicious in any way or over aggressive.
"These top, top players aren't used to losing and to teams of our stature.
"Perhaps it hurts them and it shows even the best players can lose their heads."