March Challenge 2018 DIV 2
A Big Sale, Chef and Easy Problem, Minion Chef and Bananas, Chef and Glove, Mix the Colors
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Table Game, Bad Shuffle
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Happiness, Chef and Ridges, Chef and Difficult Contests
October Challenge 2018 Division 2
Appy and Balloons , Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Magical Jars, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
India