August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Football, Guddu and his Mother
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
India