• Dutchman revels in leadership role as Arsenal find their feet• 'I feel I can score every time I go out on to the pitch'Robin van Persie claimed Arsenal had "set a standard" they must now emulate over the rest of the season after his hat-trick deflated Chelsea and served notice that form and belief have been fully restored to the north Londoners' ranks after a troubled start to the campaign.Arsenal have now won eight of their past nine matches in all competitions to creep up the Premier League table to the fringe of the European qualification places and to suggest a side hastily rejigged on the eve of the transfer deadline is finally finding...