September Challenge 2018 Division 2
War of XORs, Chef and Adventures, Bad Shuffle, Magician versus Chef
November Challenge 2018 Division 1
Binary Strings, Magician versus Chef 2, Chef, Primes and Trees (Challenge), Good Median, 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
October Challenge 2019 Division 1
Chef and Maximum Star Value
