April Challenge 2020 Division 2
Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue, Strange Number
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Chef and String, Chef and Price Control, Chef and Icecream, The Tom and Jerry Game!, Even Matrix
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
India