December Challenge 2018 Division 2
Chef and Interactive Contests
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Challenge 2020 Division 2
Breaking Bricks, Doraemon, Chef and Dynamo
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
January Cook-Off 2021 Division 3
Distinct Pair Sums, Password
April Challenge 2021 Division 3
Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
India