December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef, Primes and Trees (Challenge), Chef and Happiness, Chef and Difficult Contests, Chef and Ridges
December Lunchtime 2018 Division 2
Print Pattern, Choosing from Buckets
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
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
India