March Cook-off Challenge
Snake Snaky, Money Transformation
April Long Contest
Number Game Revisited, Rectangles Counting
May Long Contest 2011
Tree Product, The Great Wall of Byteland
November Long Contest 2011
Chefs new Pet, New Restaurant
February 2012 Challenge
Lucky Count, Count of Maximum, Word Couting, Lucky Long
April Challenge 2012
Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight
November Challenge 2013
Missing some chairs, Square Digit Squares, Superpowers of 2, Uncle Johny
December Challenge 2013
Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
May Cook-Off 2014
Divide the Cake, Ups and Downs
April Challenge 2014
Shortest Path in Binary Trees
May Challenge 2014
Compilers and Parsers, Stone, Chef and Strange Matrix, Chef-jumping
August Challenge 2014
Chef and Reversing, The Leaking Robot
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
July Lunchtime 2015
Greedy puppy, Puppy and game
