February Challenge 2019 Division 2
Chef and Secret Ingredients
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue, Unit GCD, Strange Number
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Chef and Price Control, Chef and String, Chef and Icecream, Even Matrix, The Tom and Jerry Game!
July Challenge 2020 Division 2
Ada King, Chef and Card Game, Chef and Strings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
CodeChef Starters 12 Division 2 (Unrated)
Make it Divisible, Maximum Points
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
India