November Challenge 2013
Superpowers of 2, Missing some chairs, Square Digit Squares, Yet Another Cute Girl, Uncle Johny
January Challenge 2014
Please like me, Chef and Feedback
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the Wildcard Matching, Chef and the XORed Number
September Mega Cook-Off 2015
Forgotten Language, Stacks
October Cook-Off 2016
Watson asks Does Permutation Exist, ChefWatson uses Social Network
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
February Challenge 2018
Chef And His Characters, Permutation and Palindrome, Car-pal Tunnel, Chef And The Patents
March Challenge 2018 DIV 2
Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
Nigeria