October Mega Cook-Off 2018 Division 2
Pumping Water, Ada and the Staircase
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves, Beautiful Bricks, Minimize Digitsum
January Challenge 2019 Division 2
A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
May Lunchtime 2019 Division 1 (Unrated)
Grid Tour, Reverse Maximisation
June Cook-Off 2019 Division 1
Ants and Anteaters, Drink Slush
India