August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
December Challenge 2018 Division 2
Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
December Lunchtime 2018 Division 2
Print Pattern, Age Calculator
January Challenge 2019 Division 2
Fancy Quotes, A Pizza Slice, Chef and Modulo Game, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences, Distinct Pairs
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Magical Jars, Guess It Right, Manhattan Rectangle
April Challenge 2019 Division 1
Kira Loves Palindromes, Playing with Numbers, Subtree Removal
April Lunchtime 2019 Division 1
Firdavs and Planet F, Minimum Sum
India