There's no doubts now. This 4-3-3 is Everton's best system.
Frank Lampard on the whole has begun this season in the way he finished the last, a five-man defence to try and nullify opposition and give his side a base to burst forward with pace. And you can see the logic behind that, especially considering the squad he had at his disposal to begin the term.
It worked well against Chelsea and in many respects the Blues were probably a little unlucky to lose that game, only falling behind to a penalty which was the one big individual error of the match. From that point on, though, fans were desperate to see a switch in formation.
