September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
August Challenge 2019 Division 2
Distribute Apples, Football
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
April Challenge 2021 Division 3
Strong Language, World Record, Chef and Dice, Valid Pair
July Challenge 2021 Division 3 (Rated)
XxOoRr, Maximum Production, Relativity
August Lunchtime 2021 Division 3
Maximum Length Even Subarray, Programming Languages
September Challenge 2021 Division 3 (Rated)
Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 3
Cars and Bikes, Fake GCD, Adjacency Hatred
October Challenge 2021 Division 3 (Rated)
Longest AND Subarray, Which Mixture, Three Boxes, MEX-OR
October Cook-Off 2021 Division 3
Chef and Pairing Slippers, Odd Sum, Average Flex, 01 Subsequence
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges
India