July Challenge 2015
Na2a and lucky stone, Chef and Cube, Bread
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
July Challenge 2017
Whats in the Name, IPC Trainers, Calculator , Chef and Sign Sequences
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
India