February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks
April Challenge 2017
Dish Of Life, Similar Dishes
July Challenge 2017
Chef and Sign Sequences, Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array, Greedy Candidates
September Challenge 2017
Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Chef goes Left Right Left, Villages and Tribes
September Lunchtime 2017
Chef and Cook-Off Contests
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Car-pal Tunnel, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
India