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Arsene Wenger finally secured victory over Jose Mourinho as Alex Oxlade-Chamberlain's first-half goal was enough to give Arsenal a 1-0 win against Chelsea in the FA Community Shield at Wembley.
The veteran French coach had not beaten his rival in 13 previous attempts, which the Portuguese suggested should be an ongoing cause for concern.
However, that unwanted statistic was put to bed following a confident display from the FA Cup winners, who may well prove to be serious challengers to Chelsea's hopes of retaining the Barclays Premier League title.
Goalkeeper Petr Cech lined up against his old club following a £10million summer move across London, while Theo Walcott, who has just signed a lucrative new deal, led the Arsenal attack.
Chelsea started with Radamel Falcao on the bench, the Colombian loaned from Monaco, after an indifferent season at Manchester United.
Arsenal vs Chelsea: Five things we learnt
Scroll through our gallery above to see what we learnt at Wembley
