Manchester City ended Chelsea's 100 per cent start to the new Premier League season as a Carlos Tevez goal earned the hosts a 1-0 victory in a scrappy Eastlands encounter.
The home side made the brighter start, with Tevez flashing a shot a couple of yards wide of the far post, before Petr Cech had to punch James Milner's free-kick away from danger.
Cech easily gathered a Kolo Toure header with 25 minutes played, but five minutes later Chelsea came closest to breaking the deadlock.
Florent Malouda crossed in following a short corner, Alex nodded the ball back and Branislav Ivanovic's header came back off the woodwork, with his follow-up effort being gathered by the grateful Joe Hart in the City goal.
Michael Essien blazed over when left in space 25 yards from goal as a poor first half ended goalless.
In the first minute of the second half Hart tipped away a Nicolas Anelka effort before Essien headed over from the resulting Didier Drogba corner.
At the other end, Cech got down quickly at his near post to beat away a low David Silva effort, but just before the hour mark City hit the front.
Ramires lost the ball following a Chelsea corner and Tevez led a quick break, finding space just outside the area before firing home a low, right-footed shot which left Cech rooted to the spot.
Carlo Ancelotti somewhat surprisingly brought off Drogba as the visitors pushed for an equaliser, but they were unable to make much headway, as both their 100 per cent and unbeaten league records were lost.