August Long Challenge 2017
Greedy Candidates, Chef and Rainbow Array
September Challenge 2017
Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
India