November Cook-Off 2012
Little Elephant and Permutations, Little Elephant and Divisors, Little Elephant and Magic
December Challenge 2012
Sereja and Data Structures , Granama Recipes, Arigeom Beats, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery
February 2013 Challenge
Climbing Stairs, Efficient Painting, Magic Board, Buy1-Get1, Little Elephant and Cards
February Cook-Off 2013
Row and Column Operations, Hotel Balifornia 2
March Challenge 2013
Tourist Translations, Approximately, Fire Escape Routes
April Cook-Off 2013
Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again
July Challenge 2014
Chef and Frogs, Game of Numbers, Lucky Game, Dish Owner, Reach The Point, Chef and Rectangle Genome, Sereja and Equality, Garden Game, Little Elephant and Painting, Count Substrings
April Challenge 2015
Little Party, Devus and their voting system, Black-white Board Game, Chef and Piano Scales, Division of Lands, Inversion sorting, Broken Telephone, Chef and Interview, Chef and Array, Count Sequences
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Polygons, Anticommutative implication, Chef and String
November Lunchtime 2016
Chef and his Students, Chef and Square Set, Chef and Balanced Polygons, Tom & Jerry
Russia