August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
February Challenge 2017
Chef and His Apartment Dues
May Challenge 2017
Chef and his daily routine
June Challenge 2017
A Good Set, Xenny and Coin Rankings
September Challenge 2017
Little Chef and Sums, Minimum Good Permutation, Chef and Pick Digit
September Lunchtime 2017
Chef and Cook-Off Contests
March Challenge 2018 DIV 2
Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, A Big Sale
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
May Challenge 2018 Division 2
Minimum Deletions, Xor Again
November Challenge 2018 Division 2
Chef and Difficult Contests
June Lunchtime 2018 Division 2
Summary Power, Counting Pretty Numbers
February Challenge 2020 Division 2
School of Geometry, Hard Cash
June Challenge 2020 Division 2
Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings
India