February Challenge 2020 Division 2
School of Geometry, Hard Cash
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
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 Strings, Chef and Card Game, 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 Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
January Cook-Off 2021 Division 3
Distinct Pair Sums, Password
February Challenge 2021 Division 3
Chef and Meetings, Maximise Function, Highest Divisor
India