April Challenge 2016
Chef and Ballons, Chef And Magical Path, Chef And Coloring, Help Watson Escape
June Challenge 2016
Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and calculation, Faded Palindromes, Chef and digits of a number, Dividing Machine, Chef and Friends
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
April Cook-Off 2016
Movie Weekend, Odd Divisors
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
October Cook-Off 2016
Watson asks Does Permutation Exist
June Lunchtime 2016
One more weird game, Collisions
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues
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, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and his daily routine, Median of adjacent maximum numbers, Courses in an university
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
October Challenge 2017
Counter Test For CHEFSUM, A Balanced Contest
March Challenge 2018 DIV 2
Mix the Colors, Chef and Glove
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