May Challenge 2017
Chef and his daily routine
September Challenge 2017
Minimum Good Permutation, Little Chef and Sums
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
September Challenge 2018 Division 2
Bad Shuffle, Chef and Adventures, Magician versus Chef, War of XORs
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves
February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
International Coding League 2019 (Rated for Division 2)
FlatLand, Too Many Candies
India