
Based on season 1, it is said that only those who advanced to the finals wore real name badges.
The reasoning is that it seems to have been made up of another interview after the finals.
In the 2nd round team match, many people predicted before it even came out that White would win by opening from the right to create a tie situation in the last round.
This also seems plausible
https://www.youtube.com/embed/BS0nwV6VrbE