December Challenge 2019 Division 2
That Is My Score!, Plus Multiply
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins
March Challenge 2020 Division 2
Pintu and Fruits, Ada Bishop 2, XOR Engine
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
May Challenge 2020 Division 2
Triple Sort, Isolation Centers, Coronavirus Spread
June Challenge 2020 Division 2
Covid Sampling (Challenge)
July Challenge 2020 Division 2
Doctor Chef, Chef and Strings, Chef and Card Game, Missing a Point, Chefina and Swaps, Ada King
August Challenge 2020 Division 2
Insanely Hard School Exams, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
India