November Challenge 2017
Periodic Palindrome Construction, Villages and Tribes, Chef goes Left Right Left
February Challenge 2018
Chef And His Characters, Chef And The Patents
August Challenge 2018 Division 2
Problem Sort, Spell Bob, Sheokand and Number
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves, Appy and Balloons , Minimize Digitsum
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
India