June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!, Covid Sampling (Challenge)
July Cook-Off 2020 Division 2
What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction
January Lunchtime 2021 Division 1 (Unrated)
Dreams of Divisibility, Even Sum, Shifting Spoons, Good Grid
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
UWCOI 2021 (Rated for all)
Organisation, Array Swaps, Hidden Numbers
March Challenge 2021 Division 1
Maximum Topological Sort, Space Arrays, Consecutive Adding, Paparazzi Gennady
April Lunchtime 2021 Division 2
A Special Tree, Chef in Heaven , Bench Press, Array Rotation
June Cook-Off 2021 Division 1
Binary String on Steroids
July Cook-Off 2021 Division 1
Hidden Colored Graph, Mod Equality
August Lunchtime 2021 Division 1
Just a Graph, Chef and Deque
September Challenge 2021 Division 1 (Unrated)
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One
India