November Challenge 2017
Chef goes Left Right Left, Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries
October Lunchtime 2017
Buggy Calculator, Maximum Number
December Lunchtime 2017
Days in Month, Strange Function
April Cook-off 2018 Division 2
Run Direction, Cut the Board, Binary Nim
December Cook-Off 2018 Division 1
Yalalovichik Numbers, Yalalovichik Strings
August Lunchtime 2018 Division 1
Mix Mix Game, Chef and Eid
November Lunchtime 2018 Division 1
Useful Number, Beats and Pieces
December Lunchtime 2018 Division 1
Choosing from Buckets, Drawing Lines, Age Calculator
February Lunchtime 2019 Division 1
The Tricky Deal, Chef Challenge
March Lunchtime 2019 Division 1
Corrupted Seven-Segment Display, Travelling Saleschef, Partition into Permutations
May Lunchtime 2019 Division 1 (Unrated)
Grid Tour, Reverse Maximisation, Abdullah and Toll Discounts
India