April Challenge 2017
Bear and Row 01, Similar Dishes, Dish Of Life
February Challenge 2018
Permutation and Palindrome
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
June Challenge 2018 Division 2
Sheokand and String, Naive Chef
September Challenge 2018 Division 2
Chef and Condition Zero (Challenge), Bad Shuffle, Chef and Adventures, War of XORs, Magician versus Chef
October Challenge 2018 Division 2
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Distinct Pairs
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game
