October Mega Cook-Off 2018 Division 2
Ada and the Staircase, Binary Nim 2
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle
December Challenge 2018 Division 1
Max and Electrical Panel, Chef and Interactive XOR, Directing Edges, (Challenge) Delete DAG
November Challenge 2018 Division 1
Appy Loves One, Good Median, Magician versus Chef 2
October Challenge 2018 Division 2
Chef and Circles, Byte to Bit, Chef and Serves, Minimize Digitsum, Appy and Balloons , Chef and Surprise Chessboard
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs
February Challenge 2019 Division 1
Art of Balance, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle
June Challenge 2020 Division 1
The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Covid Sampling (Challenge)
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
