Positive move effects

  • Double target moves in doubles (spread moves like Surf/EQ only when no partner)
  • Sound moves if user is holding a Throat Spray
  • Crit moves that don't always crit
  • Trapping moves
  • Brick Break type effects if screens are on players side
  • Drain effects if no Liquid Ooze
  • Fell Stinger
  • Pursuit
  • Knock Off regardless if user has an item or not
  • Switch target out moves (e.g. Dragon Tail)
  • Damage moves that set up Hazards
  • Guaranteed speed drop moves (e.g. Icy Wind)
  • Self boosting moves (e.g. power up punch, leaf storm with contrary)
  • Note:
    • If more then one move is present with a plus effect then both get the plus one
    • Eevee moves aren't positive / negative effects

Negative move effects (damage moves with a negative side effect)

  • Recoil
  • Mind Blown, Steel Beam, Explosion type moves, Final Gambit
  • Recoil on miss
  • All moves that have a negative effect on AI unless they have contrary or hold a white herb (e.g. Superpower)
  • Note: Moves that would drop speed on AI are considered neutral in Trick Room
  • Note2: A recharge (eg hyper beam) effect is not considered negative

Scale Shot (can be considered both a negative and positive depending on other moves)

  • If a negative move is present it is considered to be a positive move
  • If a positive move is present it is considered to be a negative move
  • If neither are present, Scale Shot is considered to have no positive / negative effects