July Challenge 2018 Division 2
Strike or Spare, Magic Set
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem
September Lunchtime 2019 Division 2
Chef and Football Match, Chef Feeds Cats
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices
July Challenge 2020 Division 2
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
