July Challenge 2017
Whats in the Name, Calculator , Chef and Sign Sequences
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Chef goes Left Right Left, Villages and Tribes
August Cook-Off 2017
Real obtuse, From heaven to earth
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
India