November Challenge 2017
Chef goes Left Right Left, Villages and Tribes
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Lucky Number Game, Fancy Quotes
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
India