As ever, the second round of any championship sees plenty of movement up and down the overall standings - and none more so here -, but Carlos Checa retains a familiar presence at the head of the field after Donington Park.

Though he bungled his start in race one, his fight back to third on that occasion and his comfortable win in race two sees him increase his lead from ten to 19 points overall.

His closest competition comes from Marco Melandri, the Italian continuing his good impression of a seasoned WSBK contender as he ended as the day's top scorer, complete with maiden victory.

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It was contrasting fortunes for sparring partner Max Biaggi, who had a frustrating day on the Aprilia as he could only muster a seventh place finish in race one, before being disqualified in race two. He has dropped to fourth in the standings, already 42 points adrift of Checa and behind even Haslam, who maintained his consistency with a pair of fourth places for BMW.

The big mover of the day was Jakub Smrz, his career-best second place finish lifting him to a lofty fifth on the Effenbert-Liberty Ducati, while Leon Camier's third place in race two sees him leap from 11th to seventh.

Elsewhere, Michel Fabrizio is down from fifth to eighth as Suzuki also drop to the bottom of the manufacturer standings. This is significant as it means (provided you discount the sole privateer MV Agusta that was campaigned in 2007) Kawasaki aren't bringing up the rear for the first time since the end of 2006!

Its riders endured differing fortunes, with Tom Sykes unable to capitalise on his front row grid position, though fifth for Joan Lascorz in race two moves him onto the fringe of the top ten.

Points for Lascorz, Sylvain Guintoli and Mark Aitchison also means just two riders listed on the official entry list are yet to score now - Maxime Berger, who didn't finish either race, and Chris Vermeulen, who hasn't started one yet.

2011 World Superbike Championship rider standings (After round 2 of 13, previous round position in brackets)

1.(1) Carlos Checa Althea Ducati 91 points 2.(4) Marco Melandri Yamaha SBK72 3.(3) Leon Haslam BMW Motorrad 53 4.(2) Max Biaggi Aprilia Alitalia49 5.(10) Jakub Smrz Effenbert-Liberty Ducati 42 6.(6) Jonathan Rea Castrol Honda 38 7.(11) Leon Camier Aprilia Alitalia 37 8.(5) Michel Fabrizio Suzuki Alstare 27 9.(7) Noriyuki Haga PATA Aprilia 26 10.(8) Tom Sykes Kawasaki RTS 19 11.(-) Joan Lascorz Kawasaki Racing 17 12.(9) Eugene Laverty Yamaha SBK16 13.(14) Troy Corser BMW Motorrad 16 14.(13) Ruben Xaus Castrol Honda 16 15.(17) Ayrton Badovini BMW Italia 12 16.(12) Roberto Rolfo Pedercini Kawasaki 12 17.(-) Sylvain Guintoli Effenbert-Liberty Ducati 10 18.(15) Josh Waters Yoshimura Suzuki 3 19.(16) James Toseland BMW Italia 2 20.(18) Bryan Staring Pedercini Kawasaki 1 21.(-) Mark Aitchison Pedercini Kawasaki 1

2011 World Superbike Championship manufacturer standings

1.(1) Ducati 95 points 2.(3) Yamaha 74 3.(2) Aprilia 66 4.(4) BMW 53 5.(6) Honda 38 6.(7) Kawasaki 32 7.(5) Suzuki 27