June Challenge 2020 Division 2
The Tom and Jerry Game!, Even Matrix, Chef and Price Control, Chef and String, Covid Sampling (Challenge), Chef and Icecream
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 2
Coronavirus Spread 2, Ada Matrix, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap, Find XOR
June Lunchtime 2020 Division 2
Chef and Demonetisation, Gold Mining
October Challenge 2020 Division 2
Covid Run, Chef and Easy Queries, Adding Squares, Replace for X, Positive AND
January Challenge 2021 Division 2
Watching CPL, Fair Elections
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query
India