April Challenge 2016
Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Devu and an Array, Chef and Coins Game
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
February Challenge 2017
Chef and Triangles, Gerrymander, Most Frequent Element, Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
April Challenge 2017
Dish Of Life, Similar Dishes
July Challenge 2017
Chef and Sign Sequences, Whats in the Name
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
India