April Challenge 2015
Broken Telephone, Chef and Interview, Chef and Piano Scales
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Count Steps in Matrix, Lighthouses
October Challenge 2015
Who dares to be a millionaire
November Challenge 2015
Eugene and function, Chef and cakes
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
India