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Colm Murphy trained Big Zeb produced a top class performance to land the Grade 1 Paddy Power Dial-A-Bet Chase on his seasonal debut.

The 7-y-o will be given Cheltenham entries in both the Champion Chase and Ryanair Chase following this victory.

Colm Murphy said: 'He was a store horse last season, but has now matured and settled down. He is a proper horse now. We had him as ready as we could without a run, but he will hopefully improve from this outing.'

The favourite, Natal was a spent force after a bad mistake three fences from home.