All Pokémon Black or White players are invited to participate in the newest tournament, the 2012 Autumn Friendly. Registration will begin on September 6th with the actual battles running September 14th through 17th. This takes place over WiFi in conjunction with the Pokémon Global Link website.
According to Pokémon.com:
“The 2012 Autumn Friendly features Double Battles, where all Pokémon over Lv. 50 are automatically reduced to Lv. 50 while participating. It is open to nearly every Pokémon in the National Pokédex, so check the rules to see which Pokémon are eligible before registering. Trainers who played in the 2012 International Challenge should be familiar with most of the rules.”
Who’s going to be competing? I skipped the recent Black 2 / White 2 tournament in Japan, but I may take a stab at this one.