November Challenge 2018 Division 2
Chef and Difficult Contests
January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, 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 Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice
July Challenge 2019 Division 2
Guess the Prime!, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Even Edges, Phone Prices, Operations on a Matrix, Array Modification, Chef and Maximum Star Value, Missing Number
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, World Record, Strong Language
India