February Challenge 2018
Chef And The Patents, Chef And His Characters, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
March Challenge 2018 DIV 2
Chef and Glove, Minion Chef and Bananas, Minions and Voting, Mix the Colors, A Big Sale, Chef and Easy Problem, Pishty and Triangles
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores a Matrix
April Challenge 2018 Division 1
Cutting Plants, Highway Crossing, Count Good Prefixes
November Challenge 2018 Division 1
Appy Loves One, Magician versus Chef 2
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard
Insomnia 2018 (Rated)
Split Sums, Strange Swaps, Function Function
Code Melange (Rated)
The Deadly Sin, Candy Love, XD Subsequences
July Challenge 2019 Division 2
Circular Merging, Minimum and Maximum, Chef and Mean
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci
Vietnam