December Challenge 2018 Division 2
Chef and Interactive Contests
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
December Challenge 2019 Division 2
Easy Subsequence Selection, That Is My Score!, Plus Multiply
February Challenge 2020 Division 2
School of Geometry, Hard Cash
April Challenge 2020 Division 2
Strange Number, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD
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
Ada King, Chef and Card Game, Chef and Strings
Starters 35 Division 3 (Rated)
Dark Light, Police and Thief
India