February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
March Challenge 2020 Division 2
XOR Engine, 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
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings
July Cook-Off 2020 Division 2
What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
India