June Challenge 2020 Division 2
The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control, Even Matrix
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Chef and Wedding Arrangements, Smallest KMP, Chef and Linear Chess, Another Card Game Problem, Insanely Hard School Exams
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
April Challenge 2021 Division 2
Binary String MEX, Worthy Matrix, Chef and Dice, Boolean Game
India