December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Difficult Contests
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
February Cook-Off 2019 Division 2
Chef and Party, Buying New Tablet, Chef and Secret Password
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
Philippines