September Challenge 2017
Chef and Pick Digit, Little Chef and Sums, Minimum Good Permutation
November Challenge 2017
Chef goes Left Right Left, Villages and Tribes
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Chef And His Characters, Chef And The Patents
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
December Challenge 2018 Division 2
Chef and Interactive Contests
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
