May Challenge 2016
Forest Gathering, Chef and Big Soccer, Laddu, Chef and Balls
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
November Challenge 2016
Gift and Chef, Task for Alexey, Chef and squares, Urban Development, Friends Meeting, Count Permutations
April Cook-Off 2016
Movie Weekend, Odd Divisors, Queries on a Binary Tree
April Lunchtime 2016
Maximum K Sums, Coins And Triangle
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
March Cook-Off 2017
Rainbow Graph, Yet Another Card Game, Safe Robot
Thailand