April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef and Ballons, Chef And Magical Path
June Challenge 2016
Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
April Cook-Off 2016
Movie Weekend, Odd Divisors, Queries on a Binary Tree
October Cook-Off 2016
Watson asks Does Permutation Exist, ChefWatson uses Social Network
January Challenge 2017
Capital Movement, Cats and Dogs
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Similar Dishes
June Challenge 2017
A Good Set, Xenny and Coin Rankings
August Long Challenge 2017
Chef and Rainbow Array, Greedy Candidates, Strings and Graphs
September Challenge 2017
Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit
December Lunchtime 2017
Days in Month, Strange Function
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
August Challenge 2019 Division 2
Football, Distribute Apples, Zombie and the Caves
Romania