May Lunchtime 2020 Division 2
Lost Weekends, Weird Walk
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
Chef and Card Game, Chef and Strings, Missing a Point, Ada King
October Challenge 2020 Division 2
Positive AND, Covid Run, Chef and Easy Queries
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Distribution
November Cook-Off 2020 Division 2
Chef and IPC Certificates
January Challenge 2021 Division 3
Chef and Division 3, Encoded String, Fair Elections
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
May Challenge 2021 Division 3 (Rated)
Xor Equality, Solubility, Golf
July Challenge 2021 Division 3 (Rated)
Maximum Production, Relativity
August Challenge 2021 Division 3 (Rated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
India