December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
December Lunchtime 2018 Division 2
Choosing from Buckets, Age Calculator, Print Pattern
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs
February Challenge 2019 Division 2
Guess It Right, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Manhattan Rectangle
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression, Football, Distribute Apples, Zombie and the Caves
India