December Challenge 2018 Division 2
Chef and Interactive Contests
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
February Challenge 2019 Division 2
Appy and Contest, Deputy Chef, Chef and Secret Ingredients, Chef and Magical Jars
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
June Challenge 2020 Division 2
Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Missing a Point, Chef and Card Game, Chef and Strings
January Challenge 2021 Division 3
Chef and Division 3, Encoded String
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
June Lunchtime 2021 Division 3
False Number, HTML Tags, Richie Rich
July Challenge 2021 Division 3 (Rated)
Maximum Production, Relativity
India