August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves, Guddu and his Mother
November Challenge 2019 Division 2
Weapon Value, Chef and Minimum Colouring, From Zero to Infinity, Smallest Beautiful Number, Hard Sequence, Physical Exercise
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, Chefina and Prefix Suffix Sums, Equality, Doraemon
February Challenge 2020 Division 1
No Change Required, (Challenge) Raisins, Long Contest and Cook Off Overlaps
April Challenge 2020 Division 1
Strange Number, Squared Subsequences
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
July Challenge 2020 Division 2
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
India