passage: Click HERE to see more of our brilliant Match Zone, including Oscar's opening goal An encounter that began in relative darkness left Jose Mourinho in one of his darker moods on Saturday. He might have seen his side strengthen their grip on this Barclays Premier League title race with a second-half penalty from Eden Hazard but Chelsea’s manager seemed far from satisfied when he eventually appeared for his post-match press conference. For a start, he accused the man in charge of the floodlights of being asleep, and he did have a point. Eden Hazard celebrates what turned out to be the winning goal in the west London encounter between Chelsea and QPR
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  Chelsea attacking midfielder Eden Hazard scored his side's winning goal in the 75th minute
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  Oscar had opened the scoring before Charlie Austin equalised at Stamford Bridge
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  Hazard was brought down by Eduardo Vargas before stepping up to score penalty past Rob Green
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  Jose Mourinho's side remain four points clear at the top of the Premier League
query: QPR's Vargas brought down @placeholder playmaker Hazard to concede a second half penalty
entities: Barclays Premier League Charlie Austin Chelsea Eden Hazard Eduardo Vargas Jose Mourinho London Match Zone Oscar Premier League QPR Rob Green Stamford Bridge