October Challenge 2015
Who dares to be a millionaire
June Challenge 2016
Chef And Binary Operation, Devu and an Array, Chef and Coins Game
September Challenge 2016
Chef and digits of a number, Faded Palindromes
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
September Cook-Off 2017
Statistics Construction, Subsequence Equality
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
September Lunchtime 2017
Chef and Cook-Off Contests
February Challenge 2018
Chef And His Characters, Chef And The Patents
March CodeChef Starters 2021 Division 3 (Rated)
Minimal Travel Time, Possible Victory, Nobel Prize, Server Trouble, College Life 5, Point Grid
April Challenge 2021 Division 3
Worthy Matrix, Chef and Dice, Valid Pair, World Record
India