January Challenge 2019 Division 2
Distinct Pairs, Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Football, Distribute Apples
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
June Challenge 2020 Division 2
Operations on a Tuple, Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
India