Advanced Rules are extra rules the person who created the battle may want to enforce in their battles. These are unable to be enforced in game but the players battling have agreed to these terms before battling each other. The advanced rules are based on common ways of battling.
None - No advanced rules will be in place.
VGC - Rules that are common at Pokemon Video Game Championships. If you are unsure of what these rules are it's best to contact the battler BEFORE placing a request to battle.
Smogon - These are rules that are made up from the Smogon website and are commonly used when battling. For example, the battler may prefer
tiers when battling and not allow OverUsed (OU) Pokemon to be used. If you are unsure about the rules you should contact the battler BEFORE placing a request.
See Description - The battler has created their own rule set and it is listed in the description of the battle. Be sure to read all the information provided BEFORE making a battle request.