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A heated West London derby ended in shock with nine-man Chelsea defeated 1-0 at QPR.

Heidar Helguson's 10 minute penalty proved to be the difference, although Chelsea will claim the referee was the difference. They may have a point.

It was the first time in 16 years the two sides met at Loftus Road and things went heavily away from the scheme of things as David Luiz was penalized in the box for a shoulder barge on Helguson. Replays suggested Helguson had pushed Luiz outside the box just before the incident, meaning Foy should have called out for a foul before the penalty was given.

Helguson converted the spot kick, much to the joys of the QPR side. And they had more reason to cheer shortly thereafter.

Jose Bosingwa was given his marching orders for a pull on Shaun Wright-Phillips although some suggested Bosingwa wasn't the last man as John Terry could have covered. With minutes to go before half-time, Chelsea were reduced to nine men. Didier Drogba rightly shown the red for a mindless lunge on Adel Taarabt.

AVB responded by shoring up his defence, bringing on Branislas Ivanovic for striker Daniel Sturridge and pulling off Juan Mata for Nicholas Anelka up front.

The visitors put in a heroic display in the second half, despite being down to nine-men, and had two fair appeals for penalty denied. They had their best chance when Ivanovic's lofted cross found Nicolas Anelka, but the Frenchman headed straight at Paddy Kenny. Moments later, David Luiz, in an effort to make amends, raced forward from defence and attempted a spectacular overhead scissor-kick but it hit Frank Lampard just ahead of goal, and flew over the bar.

But QPR held on for a famous win.