November Challenge 2018 Division 2
Chef, Primes and Trees (Challenge), Chef and Ridges, Chef and Difficult Contests
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
September Challenge 2019 Division 2
Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
April Challenge 2020 Division 2
Strange Number, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Squared Subsequences
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
India