This wasn't a regional competition, but still the winners of the lst Tango Salon Championship in Hong Kong go to the World Cup in Buenos Aires. Notice how the judges don't even look at Lily & Gen during the competition. That's because they studied with the judges Cristina Sosa & Daniel Nacucchio. The big hugs at the end from their teachers make it obvious. A couple has to study with the judges; it's the same way in ballroom competitions. There is no impartiality in judging.