**Edinburgh's Nathan Chamberlain converted his own last-minute try to rescue a 15-14 victory from the jaws of defeat against 14-man Connacht at the Sportsground.** Captain Jarrad Butler's 56th-minute dismissal for a high tackle left Connacht clinging on, but fly-half Chamberlain slalomed through for the killer score which keeps his side in contention for Heineken Champions Cup rugby next season.