May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Different Neighbours, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Lucky Number Game, Yet Another Problem About Sequences
February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
India