A spreadsheet for calculating average chances of passing a Skill Activation Appeal Chance with given amounts of buffs. It can also be used to make the Skill AC Pass Chance tables found on some Song strategy pages.

Note that there are some caveats: the calculation assumes 33% base Skill Activation Rate, so the results can not be applied to other rarities or 11% chance cards. Additionally, only the average case is considered (all cards in the Strategy tap the same amount of times).

Finally, when considering the Skill Activation Rate cap, the sheet assumes the worst case of stacking buffs whenever possible and thus hitting the cap on as many cards as possible. That means that if your actual Formation does not stack the buffs in both dimensions but each card uses only one each, the real pass chance might be higher.

Skill AC Pass Chance Calc