December Challenge 2015
Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and the stones
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
May Challenge 2016
Chef and Balls, Laddu, Chef and Big Soccer, Forest Gathering, Chef and math
June Challenge 2016
Chef And Binary Operation, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
