February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef, Chef and Magical Jars
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 2
Guess the Prime!, Chef and Mean , Parity Again, Minimum and Maximum
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression
September Challenge 2019 Division 1
Biladerim Icin, Chef Designed a Network
October Challenge 2019 Division 1
Array Modification, Chef and Maximum Star Value, Even Edges
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
India