February 2012 Challenge
Word Couting, Lucky Long, Count of Maximum
May Challenge 2012
Jewels and Stones, Lucky lucky number, Remember the recipe
May Cook-Off 2012
Little Elephant and Balance, Little Elephant and Strings
June Challenge 2012
Little Elephant and Candies, Arranging Cup-cakes
August Challenge 2012
Little Elephant and Bombs
September Cook-Off 2012
Recipe Reconstruction, Carvans
December Challenge 2012
Granama Recipes, Book Exercises, Magic Rankings
January Challenge 2013
The Minimum Number Of Moves, Chef of the Year
April Challenge 2013
Maximum Weight Difference
May Challenge 2013
Name Reduction, Your Name is Mine
June Cook-Off 2013
Attic Crossing, Lyra and the Alethiometer
July Challenge 2013
Chef and Walking on the rectangle
August Challenge 2013
Little Elephant and Lemonade, Hello Hello, Splitting Candies
October Challenge 2014
DevuLand, Dinosaurs and Laddus, Chef and Ground
January Challenge 2015
Chef and Stones, Sereja and Votes, Gcd Queries
March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
