March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices
Dementia 2019 (Rated for Division 2)
When to take medicine, Maximum Scoring Position
July Challenge 2020 Division 2
Ada King, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Chef and Linear Chess, Another Card Game Problem
September Cook-Off 2020 Division 2
Bulbs and Wires, Bowling Strategy
April Lunchtime 2021 Division 2
Chef in Heaven , Bench Press, Array Rotation
Starters 78 Division 3 (Rated)
Bitwise Equation, Balanced Suffix, Valid Expression, Passing Marks, Solve More Problems!
Canada