October Challenge 2016
Chef and Three Dogs, Chef and Keyboard
April Challenge 2017
Dish Of Life, Similar Dishes
May Challenge 2017
Chef and his daily routine
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings
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
October Challenge 2017
A Balanced Contest, Max Mex
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, Partition the numbers
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
India