Arsene Wenger was left frustrated after Arsenal's 0-0 draw with Chelsea [REUTERS]
The game ended goalless at the Emirates, with a number of contentious decisions going against the hosts.
And while Chelsea boss Jose Mourinho praised Dean for his officiating after the match, Wenger disagreed.
"I don't think he had a great game at all," he said.
Arsene Wenger after Arsenal v Chelsea - 23.12.2013
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Wenger did not elaborate on his thoughts regarding the refereeing of the match, but claimed Theo Walcott should have been given a penalty following Willian's challenge in the first half.
"I think it was a penalty," Wenger added. "Honestly. If I'm wrong, I apologise.
"I've not seen it again, but it looked like a penalty. They defended well, were well organised, and we didn't find our zippy movements to play between the lines as we can."
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