October Challenge 2014
Chef and Ground, DevuLand, Dinosaurs and Laddus
February Challenge 2015
Chef and Chain, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery
October Challenge 2015
Spheres, Count Subarrays, Time measure, Who dares to be a millionaire
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Chef And Magical Path, Chef And Coloring, Chef and Ballons, Help Watson Escape
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs, Chef and Two String
India