December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Chef Drinks Coke, Chef and Pepperoni Pizza
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Breaking Bricks
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
July Challenge 2020 Division 2
Ada King, Chef and Card Game, Chef and Strings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
India