December Challenge 2018 Division 2
Chef and Interactive Contests
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
June Challenge 2019 Division 2
Chef and Proxy, Sum and GCD, Guddu on a Date, Road Signs
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
July Challenge 2019 Division 2
Parity Again, Circular Merging, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
India