December Challenge 2019 Division 2
Binary XOR, Chefina and Ranges, Addition
April Cook-Off 2020 Division 2
Lift Requests, Simple Operations
April Lunchtime 2020 Division 2
Another Birthday Present!, Positive Mex, Chef in Fantasy League
May Lunchtime 2020 Division 1
Convert the String, Tree difference
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction, Path-etic Products
July Lunchtime 2020 Division 1
Golomb Sequence, Binary Concatenation
June Cook-Off 2020 Division 1
Per Capita Income, Checkpoints
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers
December Cook-Off 2020 Division 1
Self-Destructing Strings, Sed Passwords, Circle of Chaos
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift
UWCOI 2021 (Rated for all)
Hidden Numbers, Array Swaps
March Lunchtime 2021 Division 2
Dinner by Candlelight, Racing, Lunchtime
April Cook-Off 2021 Division 1
Tree Distances, OR of ANDs
June Lunchtime 2021 Division 1
From Rational to Binary, Richie Rich, Tic Tac Toe
