February Challenge 2020 Division 2
No Change Required, Hard Cash, The Theatre Problem, School of Geometry
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
May Cook-Off 2020 Division 2
Chef, Chefina and Their Friendship
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food, Under the Tunnels
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends, Convert the String
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, Ada King, Missing a Point
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 2
Coronavirus Spread 2, Ada Matrix, Find XOR, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
India