August Challenge 2018 Division 2
Problem Sort, Modular GCD, Spell Bob, Sheokand and Number
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
January Challenge 2019 Division 2
Chef and Modulo Game, Fancy Quotes, Distinct Pairs, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
May Cook-Off 2019 Division 2
Chain Reaction, Misha and Nice Sets, Recover the Sequence
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Grid Tour, CV
June Challenge 2019 Division 2
Chef and Ingredients, Sum and GCD, Guddu on a Date, Chef and Proxy, Road Signs
June Cook-Off 2019 Division 2
Multiple Choice Exam, Ants and Anteaters, Eat Twice, Drink Slush
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
India