November Challenge 2018 Division 2
Chef and Difficult Contests
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 2
A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2
India