April Challenge 2016
Chef and Ballons, Chef And Magical Path, Chef And Coloring, Help Watson Escape
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chefland and Electricity
August Challenge 2016
Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations
November Challenge 2016
Count Permutations, Chef and squares, Task for Alexey
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
India