Originally Posted by Fat Angel Diva
How does Explosion fit into this sheet? Since you'd only be using it once.
Good thing you're asking, as some moves need to be explained and I forgot, lol.
Basically, all moves that can deal variable damage (like Eruption, Avalanche, Facade, etc.) are assumed to deal the MAXIMUM possible damage in this Excel sheet.
The only exceptions to this rule are Grass Knot and Low Kick. These two moves are actually implemented correctly, i.e. they take every Pokemon's weight into account when calculating the average damage.
About Explosion and Selfdestruct, yeah they are only used once... so you'll just have to keep that in mind when seeing the average damage. It is still the average damage you would deal, even if you used just one move. Sometimes when you have a Choice item, you plan to use one move and then switch anyway.