September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
April Challenge 2020 Division 2
Strange Number, COVID Pandemic and Long Queue, Sell All the Cars
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
August Challenge 2020 Division 2
Another Card Game Problem, Chef and Linear Chess, Chef Wars - Return of the Jedi
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers
January Challenge 2021 Division 3
Chef and Division 3, Encoded String
India