Barcelona obtained their La Liga title defence off to the superb begin with a comfortable residence win over actual Betis in which Lionel messi scored twice and Luis Suarez grabbed a hat trick.
In windy stipulations, the champions took simplest six minutes to make the breakthrough when Arda Turan fired house a close-range finish from Jordi Alba's low pass.
And so they would had been two up with not up to 10 minutes played when Messi and Alba mixed to set up a risk for Suarez before Betis scrambled the ball away.
However Barcelona had been shocked when Ruben Castro fired a free-kick past Raul Bravo to level after a Sergio Busquets foul had awarded him with the opportunity.
It got here after an expanded spell from the viewers, however Barcelona soon took control again and, after Luis Suarez had seen penalty appeals waved away after a project from Aissa Mandi, Messi thumped an effort in opposition to the bar.
And so they regained the lead after 37 minutes when Messi discovered room on the brink of the field to whip a vicious low finish past goalkeeper Antonio Adan.
Three minutes before the ruin, Suarez put the effect beyond any doubt as he recommended Sergi's cutback low into the bottom corner to make it three-1.
Betis supplied little in response after the wreck because the dwelling aspect monopolised possession, and two targets quickly before the hour mark, from Suarez -- who became in a low Messi go -- and Messi himself grew to become victory right into a rout.
Messi blasted a free kick over the top as he looked for a gap day hat trick, and nearly created a hat trick purpose for Suarez when his low cross was scrambled clear.
With 1 / 4 of an hour remaining, Messi was once denied by Adan as he steered another Alba cross towards goal, but Suarez completed his treble when he fired a luxurious free-kick earlier Adan after being fouled on the brink of the area via Antonio Sanabria.
Bedraggled Betis managed to pull one again when Castro finished neatly, but they were powerless in the face of a dominant Barcelona display.