March Challenge 2019 Division 2
Chef and Number Game, Chef got Recipes, Chef and a Beautiful Digit
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef and Wedding Arrangements, Smallest KMP, Another Card Game Problem, Chef Wars - Return of the Jedi, Chef and Linear Chess
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2
October Challenge 2020 Division 2
Replace for X, Chef and Easy Queries, Covid Run, Adding Squares, Positive AND
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones, Tic Tac Toe
India