December Challenge 2019 Division 2
That Is My Score!, Plus Multiply
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Squared Subsequences, Strange Number, Unit GCD
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Chef and Icecream, The Delicious Cake, Operations on a Tuple, The Tom and Jerry Game!
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point, Doctor Chef
India