December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
June Challenge 2019 Division 2
Road Signs, Guddu on a Date, Chef and Proxy
June Cook-Off 2019 Division 2
Multiple Choice Exam, Ants and Anteaters, Eat Twice
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
India