March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game
April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Football
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
September Lunchtime 2019 Division 2
Find the Sum, Chef Feeds Cats, Chef and Football Match
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
India