December Challenge 2017
Chef And his Cake, Penalty Shoot-out
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
March Challenge 2018 DIV 2
Minion Chef and Bananas, Minions and Voting, Chef and Glove, Mix the Colors, A Big Sale
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Judges a Competition
April Challenge 2018 Division 2
Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Naive Chef, Vision, Binary Shuffle
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
Code Melange (Rated)
The Deadly Sin, Candy Love
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match, Find the Sum
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Chef and Wedding Arrangements, Smallest KMP, Chef and Linear Chess, Another Card Game Problem
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
January Lunchtime 2021 Division 2 (Unrated)
Good Grid, Shifting Spoons, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum
India