August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
May Challenge 2017
Chef and Sub Array , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship
June Challenge 2017
Chef and the Feast, Pairwise union of sets, Triplets, Xenny and Coin Rankings, A Good Set, Saboteur (Challenge)
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Fill The Matrix, Little Chef and Sums, Minimum Good Permutation, Sereja and Functions (Challenge), Sereja and Commands, Chef and Pick Digit
October Challenge 2017
Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Shooting on the array, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers
November Challenge 2017
Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left, Chef and Intersection Line
May Challenge 2018 Division 1
Fake Binary Search, Dibs on Fibs
December Challenge 2018 Division 1
Max and Electrical Panel, Chef and Interactive XOR
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
United States