September Challenge 2016
Chef and digits of a number, Faded Palindromes
November Challenge 2016
Chef and squares, Task for Alexey
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Breaking Bricks, Chef and Dynamo
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
April Challenge 2020 Division 2
Strange Number, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
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