April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
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
Chef and Mean , Minimum and Maximum, Parity Again, Guess the Prime!
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
December Challenge 2019 Division 2
Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks, Doraemon, Equality
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
June Challenge 2020 Division 1
Even Matrix, The Tom and Jerry Game!, Covid Sampling (Challenge)
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point, Doctor Chef
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
India