June Challenge 2020 Division 2
The Tom and Jerry Game!, Operations on a Tuple, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control, Even Matrix
July Challenge 2020 Division 1
Missing a Point, Doctor Chef, Chefina and Swaps
June Cook-Off 2020 Division 2
Cache Hits, Per Capita Income, Max Mex
June Lunchtime 2020 Division 2
Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining
Ireland