January Long Challenge 2016
Rupsa and the Game, Devu and Perfume
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
November Challenge 2017
Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left
February Challenge 2018
Chef And His Characters, Permutation and Palindrome
November Challenge 2018 Division 2
Chef and Difficult Contests
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
February Challenge 2020 Division 2
School of Geometry, Hard Cash
India