October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
May Lunchtime 2019 Division 2 (Unrated)
CV, Dummy Palindromic Strings
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Chef and Interesting Subsequences , Easy Fibonacci
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
November Challenge 2020 Division 2
Restore Sequence, Iron, Magnet and Wall, Magical Candy Store, Ada and Dishes
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
October Lunchtime 2020 Division 2
AND Plus OR, Chef Likes Good Sequences
India