Smogon University - The calculator from Pokemon Showdown has now been updated to the new generation. Find out just how much damage can be dealt from a fossil with 90 base Attack!
GitHub - smogon/damage-calc: Pokemon games damage calculator
Pikalytics on Twitter: "Pikalytics Damage Calculator early Gen 9 support is here for your team building pleasure! 🎉 We've been hard at work to bring you a very early glimpse into competitive
Work In Progress] Insurgence Damage Calculator - General Discussion - The Pokemon Insurgence Forums
Smogon's damage calculator seems to agree that Deoxys is a TriHard : r/twitchplayspokemon