Thanks for the responses. The bit about people going to Blackpool to enhance their status does make sense. I imagine that instructors would use a trip to the Blackpool competition as a reason to raise their fee, regardless of their final placement.

That being said, I've heard that the spectators are very knowledgeble. Also, World Superstars are tough opponents.

Probably, the most meaningful thing to do would be to take a look at the final standings, rather than just be awed by the fact that a teacher has competed there.