July Challenge 2016
Chef and Tetris, Chefland and Electricity, Andrash and Stipendium
September Challenge 2016
Chef and digits of a number, Faded Palindromes
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
January Challenge 2021 Division 2
Chef and Ants, Guess the Tiling, Expected Number of SCCs, Stack-Queue Sort (Challenge), Watching CPL, Fair Elections
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
December Cook-Off 2020 Division 2
Minimum Attendance Requirement, Circle of Chaos, Self-Destructing Strings, Catch the Thief
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences, One Zero Swaps
January Lunchtime 2021 Division 2 (Unrated)
Dreams of Divisibility, Even Sum, Even Differences, Binary Subsequence, Good Grid
February Challenge 2021 Division 2
Another Tree with Number Theory, Highest Divisor, Bash Matrix, Cut the Cake (Challenge), Maximise Function, XOR Sums, Multiple Games, Prime Game, Team Name, Frog Sort
March Challenge 2021 Division 1
Dense Graph, Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge), Maximum Topological Sort
