December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem, Max and Electrical Panel
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
February Challenge 2019 Division 2
Deputy Chef, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99
India