January Challenge 2019 Division 2
Distinct Pairs, Chef and Modulo Game, Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Fencing, Maximum Remaining
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 2
Guess the Prime!, Parity Again, Minimum and Maximum, Chef and Mean
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
India