March Challenge 2018 DIV 2
Mix the Colors, Chef and Glove, A Big Sale
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
August Challenge 2018 Division 2
Sheokand and Number, Spell Bob
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game, Chef and Modulo Game, Different Neighbours, Distinct Pairs
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
May Lunchtime 2019 Division 2 (Unrated)
CV, Grid Tour, Dummy Palindromic Strings
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
India