January Challenge 2020 Division 2
Breaking Bricks, Chef and Dynamo
February Challenge 2020 Division 2
School of Geometry, Hard Cash
March Challenge 2020 Division 2
Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
January Lunchtime 2020 Division 2
Chef and Street Food, Bob and His Friends
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Chef and Wedding Arrangements, Smallest KMP, Chef and Linear Chess, Another Card Game Problem, Subsequence Frequency Counting, Insanely Hard School Exams
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
