July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Array Modification, Phone Prices, Operations on a Matrix, Chef and Maximum Star Value
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
