Manchester City manager Roberto Mancini was far from happy despite seeing the English champions mark his 100th Premier League match in charge with a 3-1 win at home to QPR on Saturday.

Goals from Yaya Toure, Edin Dzeko and Carlos Tevez at Eastlands saw City remain unbeaten so far in the defence of their title.

But when Bobby Zamora equalised for the west London club it created an air of anxiety around Eastlands, although it did not take long for Dzeko to head City back in front, adding to Yaya Toure’s opener, before an injury-time deflected effort from Tevez sealed victory.

“We have one problem at the moment, when we have a chance to score we don’t score and after this the game can change,” said Mancini.

“We had this problem in our first game. We had a problem against Liverpool, it is a problem and when you have a chance to score you should score.

“I think the problem could be we didn’t work with our players in pre-season, some players started their pre-season very late.

“At half-time, I said it’s important we can’t concede a goal every game and when we get a chance we should score.”

But City’s first team coach David Platt insisted it was just a matter of time before the club found the form that enabled them to be crowned champions of England for the first time in 44 years last season.

“We’re not quite at the levels we were last season at this moment,” said former England midfielder Platt.

“This time last season, we were blowing teams away and keeping clean sheets.”

Platt believes key personnel are still searching for early-season fitness, something which he hopes will improve over the coming international break, and he also had good news concerning Mario Balotelli who is undergoing eye surgery this week to help cure persistent conjunctivitis.

“I think he’s okay, it’s just a normal procedure,” said Platt.

“He’ll have an operation in the next couple of days and it’s minor.

“We’re not quite there yet in terms of fitness. After the international break, Barry will have had another two weeks (training), Aguero will be there or thereabouts, Silva will have had another two weeks after playing in the Euros, plus we have the new faces who have come in as well.”

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