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A slick move ended with Willian driving in the second for Chelsea

Chelsea win Group G to reach last 16

Terry scores Blues' fastest Champions League goal

Night to forget for Schalke boss Di Matteo

Chelsea qualified for the Champions League knockout phase with a group match to spare as they ruthlessly swept aside Roberto Di Matteo's Schalke.

The Blues, knowing a win would put them in the last 16, led through John Terry's header after 86 seconds.

A slick move ended with Willian driving in the second, before Schalke defender Jan Kirchhoff headed into his own net as Chelsea led 3-0 at half-time.

Didier Drogba tapped in before setting up Ramires to head in the fifth.

Chelsea substitutes Drogba and Ramires netted in the last 15 minutes to cap a flawless performance that merited the emphatic scoreline for the visitors in Gelsenkirchen.

The Blues' superiority in the Premier League, where they are unbeaten in 12 matches and lead by six points, has led some to ask whether they can go through the entire top-flight season without losing.

On this evidence, as the Blues starved Schalke of possession and then regularly sliced them apart in attack, Jose Mourinho's men could also be a difficult team to beat for Europe's elite.

Roberto Di Matteo made 175 appearances for Chelsea between 1996 and 2002 - winning the FA Cup twice - before his short stint as manager two years ago

Mourinho is Chelsea's most successful manager after winning six trophies in his first spell at Stamford Bridge between 2004 and 2007, but was unable to land the one prize craved by Blues owner Roman Abramovich - the Champions League.

Instead, it was Di Matteo who lifted the biggest prize in European club football when he masterminded Chelsea's victory in the 2012 tournament.

But if Chelsea continue to produce this quality of performance when the knockout stage resumes in the new year, then Mourinho will believe he can join the Italian in turning the west London side into European champions.

German side Schalke produced an abject performance riddled with defensive errors. But their mistakes were brutally exploited by Chelsea's desire, sharpness and invention.

Before kick-off, Mourinho stressed the importance of sealing their last-16 place with a win - and rendering the final group match against Sporting Lisbon meaningless.

Teams already through to the last 16 Real Madrid Barcelona Borussia Dortmund Chelsea Bayern Munich Porto Paris St-Germain Shakhtar Donetsk

The Blues boss demanded a fast start from his players and allowed himself a wry smile when they achieved exactly that through Terry's header.

After Diego Costa's low shot forced a corner inside the opening minute, ex-England skipper Terry out-jumped two Schalke defenders to power Cesc Fabregas's set-piece into the top corner.

Chelsea keeper Thibaut Courtois barely had a save to make on a quiet night - although the Belgian did almost concede a fortuitous equaliser after 13 minutes. Cameroon forward Eric Maxim Choupo-Moting's deflected shot looped over Courtois, who was grateful to see the ball cannon off his crossbar.

That was a rare Schalke threat as the Blues dominated possession, out-thinking and outmuscling their German opponents.

The intelligence and positioning of Serbia midfielder Nemanja Matic broke down any Schalke moves, allowing his more attack-minded team-mates - Fabregas and Willian particularly - to stretch the home defence.

And, inevitably, Fabregas and Willian - along with Eden Hazard - created the slick move that allowed the Brazilian to drill under the body of Schalke keeper Ralf Fahrmann.

Chelsea all but secured victory before the break when home defender Kirchhoff, surrounded by team-mates and under little pressure from visiting players, headed into his own goal.

But the away side refused to ease off in the second half as Drogba and Ramires made it a night to forget for former boss Di Matteo.

John Terry's header, after 90 seconds, is Chelsea's fastest Champions League goal, beating Didier Drogba's 170-second effort against Valencia in December 2011

Willian scored eight Champions League goals for Shakhtar Donetsk - but this was his first in the competition for Chelsea

Didier Drogba scored his 50th goal in European football when he tapped in Chelsea's fourth

Ramires' header meant Chelsea scored five goals away from home in the Champions League for only the second time. The previous occasion was a 5-0 win at Galatasaray in 1999