March Cook-off 2018 Division 2
Chef Restores an Array, Chef Restores a Matrix, Chef Judges a Competition, Chef Goes to the Cinema
Dementia (Rated for Division 2)
The Kingdom of Exodiastaan, Another Deli-ceilous problem!, Pappu and DFS, Strings, Chef and Replication, Greenhouse and Plants
October Challenge 2019 Division 1
Even Edges, Array Modification, Chef and Maximum Star Value, Bacterial Reproduction
October Lunchtime 2019 Division 1 (Unrated)
Counting Inversions Again!, Box Game
November Challenge 2019 Division 1
Single Point of Failure, Smallest Beautiful Number, A Simple Game, Physical Exercise, From Zero to Infinity
December Challenge 2019 Division 1
(Challenge) Cubical Virus, Addition, Test Generation, Sticky Notes, Scoring Pairs, Binomial Fever, Binary XOR, Chefina and Ranges
May Challenge 2020 Division 1
Buying a New String, Triple Sort, Sorting Vases, Chef and Bitwise Product
April Cook-Off 2020 Division 1
Simple Operations, Inversions in Permutations
June Challenge 2020 Division 1
The Tom and Jerry Game!, Operations on a Tuple
Syria