More ideas!
Bronze:
Ditto: Win a battle with only ditto
Moderate Prediction: Win a match with the following conditions: You cannot be hit by a super-effective attack
Silver:
On the Dot: Achieve an exact rating of 1234
Super Prediction: Win a match with the following conditions: Your pokemon must resist all attacking moves that they get hit by.
Gold:
Which Weather: Win a battle with the following conditions: Rain, Sand, Sun or Hail must be present during the entire match.(And that Weather cannot change to another)
LC Rules!: Win a Match with the following rules: All of your pokemon must come from the LC Tier.
Impossible Prediction: Win a match with the following conditions: Your Pokemon must not take damage from attacks: (Immunity, Missing)
Platinum:
Ultimate Stall: Last a Match over 100 Turns.
Ultimate Hax: Win a match with the following conditions: The opponents pokemon cannot use moves. They Must Be: Flinched, Asleep, Paralysed, Frozen, Loafing Around, Or KOed that turn.