November Challenge 2014
Distinct Characters Subsequence, Chef and Segment Game
January Challenge 2015
Chef and Stones, Sereja and Votes
January Cook-Off 2015
Suraj goes shopping, Tojo hates probabilities
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality
August Challenge 2015
Gravity Guy, Aditi and Magic Trick, Cooking Machine, Way Out
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Lighthouses
July Lunchtime 2015
Greedy puppy, Puppy and game
September Lunchtime 2015
Sum of palindromic numbers
January Long Challenge 2016
Churu and Balls, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
April Challenge 2016
Chef And Magical Path, Chef And Coloring, Chef and Ballons, Help Watson Escape
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
February Cook-Off 2016
Puppy and Board, Puppy and Sum
India