February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Encoded String
India