Edinburgh at last began to applysomepressure of their own and, after Wallace was sent to the sin-bin for an infringement, Paterson kicked the resulting penalty to narrow the gap to three points.
Wenger's side finally managed to applysomepressure, but found Chelsea's defence in resilient mood as Cole made a superb saving tackle as Samir Nasri shaped to shoot and Cech saved well from Fabregas' low free-kick.