October Challenge 2017
A Balanced Contest, Max Mex
November Challenge 2017
Chef goes Left Right Left, Villages and Tribes
February Challenge 2018
Car-pal Tunnel, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
March Cook-off 2018 Division 2
Chef Judges a Competition
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
May Challenge 2018 Division 2
Dibs on Fibs, Xor Again, Mighty Friend, Minimum Deletions
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
November Challenge 2018 Division 2
Appy Loves One, Chef and Happiness, Chef and Difficult Contests, Chef, Primes and Trees (Challenge), Chef and Ridges
Code Melange (Rated)
The Deadly Sin, Candy Love
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
India