May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers, Triple Sort
May Cook-Off 2020 Division 2
Chef and Recipe, Chef, Chefina and Their Friendship
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
June Challenge 2020 Division 2
Chef and Icecream, Chef and Price Control, Chef and String, Covid Sampling (Challenge), The Delicious Cake, Operations on a Tuple, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point, Doctor Chef
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
India