October Challenge 2017
Max Mex, Chef and a great voluntary Program, A Balanced Contest, Counter Test For CHEFSUM
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
India