April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
September Challenge 2020 Division 1
Chefina and Swap, Find XOR, Ada Matrix
August Lunchtime 2020 Division 1
Game on a Strip, Alien Invasion
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers, Chef and Walk
February Lunchtime 2021 Division 2
Average Sorting, Palpal Strings, Coprime Range
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
November Cook-Off 2021 Division 2
Product Pain, Missing Sums, Make it Divisible
Poland