May Challenge 2016
Chef and Big Soccer, Chef and Balls
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
July Challenge 2017
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers
October Challenge 2018 Division 2
Chef and Surprise Chessboard, Byte to Bit, Chef and Serves, Minimize Digitsum
August Challenge 2019 Division 2
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves
Hungary