September Lunchtime 2017
Chef and Cook-Off Contests
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Art of Balance, Appy and Contest, Chef and Magical Jars, Guess It Right, Manhattan Rectangle
July Challenge 2019 Division 2
Parity Again, Codechef War, Circular Merging, Minimum and Maximum, Chef and Mean
Vietnam