The former Manchester City player now has 20 for the campaign and dismantled Sean Dyche’s side almost single-handedly, netting a hat-trick inside the first 29 minutes to breathe genuine momentum into his team’s bid to qualify for Europe.This was as complete a first half as Chelsea have managed under Mauricio Pochettino, displaying a clinical edge in front of goal that made the insipid attacking displays of earlier in the season feel like a distant memory.It was also a night for individuals. Moises Caicedo at the base of midfield gave a performance full of guile and maturity; rarely had he…