If you registered for the 2017 No Holds Barred Online Competition and completed at least one match, you can now claim your participation prize of 50 Battle Points. Just log in to the PGL using the game that you used to participate in the 2017 No Holds Barred competition and then click here. To redeem the code in your game, select Mystery Gift from the main menu, then select Receive Gift, and then select Get with Code/Password and follow the prompts to enter your special code. Be sure to enter the code in your Pokémon Sun or Pokémon Moon game before September 30, 2017, at 23:59 UTC. Visit the Online Competitions page for No Holds Barred competition Trainer and Pokémon rankings.
Source: Pokémon Global Link