April Challenge 2017
Bear and Row 01, Dish Of Life, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university
June Challenge 2017
A Good Set, Xenny and Coin Rankings
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator
September Challenge 2017
Chef and Pick Digit, Little Chef and Sums, Minimum Good Permutation
April Challenge 2018 Division 2
Workers, Average of Pairs, Weight of Numbers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
December Challenge 2018 Division 2
Chef and Interactive Contests
January Challenge 2019 Division 2
Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Lucky Number Game
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
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