Chelsea 4-2 Brighton: Hurzeler's high line exposed
After Georgino Rutter opened the scoring with his first Premier League goal, it was alarming how quickly Brighton fell apart at Stamford Bridge.
Not only did Cole Palmer score four times in 20 minutes, Chelsea had three goals disallowed and could comfortably have scored seven or eight times.
Brighton's high line was caught out time and again, and there is plenty for Fabian Hurzeler to ponder after his first defeat.
The manager said: "It is still a process and we need a good connection on the pitch and we did not have that connection today. It is my job as a head coach to improve these things.
"We need to find a good balance, we can't lose our structure as quickly as we did. We all need to learn something, including me."
With 30 efforts on goal in total the match was seriously entertaining - and Brighton host Tottenham next. That should be tight...