September Challenge 2018 Division 2
Chef and Adventures, Magician versus Chef
January Challenge 2019 Division 2
Distinct Pairs, Chef and Modulo Game, Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
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 got Recipes, Chef and a Beautiful Digit, Chef and Number Game
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
June Challenge 2019 Division 2
Sum and GCD, Chef and Ingredients, Chef and Proxy, Road Signs, Guddu on a Date
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 2
Array Modification, Phone Prices, Operations on a Matrix, Chef and Maximum Star Value, Even Edges
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
India