December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests
January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
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, Zombie and the Caves
September Challenge 2019 Division 2
Chef and Interesting Subsequences , Chef Designed a Network, Chef and Good Subsequences, Easy Fibonacci
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match
October Challenge 2019 Division 2
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
May Challenge 2020 Division 2
Isolation Centers, Coronavirus Spread, Triple Sort
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route
India