November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
July Challenge 2018 Division 2
Magic Set, Strike or Spare, No Minimum No Maximum, Reach Equilibrium
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 Condition Zero (Challenge), Chef and Adventures, Table Game, Bad Shuffle
India