February Challenge 2017
Chef and His Apartment Dues
April Challenge 2017
Bear and Row 01, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Little Chef and Sums, Minimum Good Permutation, Sereja and Commands, Chef and Pick Digit
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Broken Clock, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome
India