February Challenge 2020 Division 2
School of Geometry, Hard Cash
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chefina and Swaps, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Ada King
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
December Lunchtime 2020 Division 2 (Unrated)
One Zero Swaps, Sed Sequences, Three Letters
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums
October Lunchtime 2020 Division 2
AND Plus OR, Chef Is Just Throwing Random Words
India