October Challenge 2017
Max Mex, A Balanced Contest, Chef and a great voluntary Program
October Mega Cook-Off 2018 Division 2
Binary Nim 2, Ada and the Staircase, Pumping Water, Ada Bishop
November Cook-Off 2018 Division 1
Beautiful Garland, A-B Game
December Challenge 2018 Division 1
Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
November Challenge 2018 Division 1
Good Median, Magician versus Chef 2, Chef, Primes and Trees (Challenge), Appy Loves One
October Challenge 2018 Division 2
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
September Challenge 2019 Division 1
Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network
Hungary