November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
April Challenge 2020 Division 2
Strange Number, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers
April Challenge 2021 Division 3
Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
India