March Challenge 2016
Palindromic substrings, maximize the sum
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Coloring
September Challenge 2016
Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Gerrymander, Chef and Triangles, Chef and His Apartment Dues, Eugene and big number, Chef and his Best Friend
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
October Challenge 2017
Chef and Cycled Cycles, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and a great voluntary Program, Chef and Magic Arrays
International Coding League (Rated)
Cards Game, Worst Case Analysis
February Challenge 2019 Division 1
Chef and Secret Ingredients, Art of Balance
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match
India