August Challenge 2018 Division 2
Spell Bob, Sheokand and Number
November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Ridges
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients
July Challenge 2019 Division 2
Chef and Mean , Minimum and Maximum, Guess the Prime!, Parity Again
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
April Challenge 2020 Division 2
Leaked Answers (Challenge), COVID Pandemic and Long Queue, Sell All the Cars, Unit GCD, Squared Subsequences, Strange Number
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Chef and Icecream, Chef and String, Chef and Price Control
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
India