June Challenge 2019 Division 2
Chef and Proxy, Road Signs, Sum and GCD, Guddu on a Date, Chef and Ingredients
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Array Modification, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Leaked Answers (Challenge), Unit GCD, Squared Subsequences, Strange Number, Sell All the Cars
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
May Cook-Off 2020 Division 2
Chef and Recipe, Chef, Chefina and Their Friendship, Roads in Chefland
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Numbers
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
India