September Challenge 2017
Little Chef and Sums, Minimum Good Permutation
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
September Lunchtime 2017
Chef and Cook-Off Contests
December Lunchtime 2017
Days in Month, Strange Function
January Challenge 2018
String Merging, Partition the numbers, Maximum Score, K-Concatenation, Rectangle
February Challenge 2018
(Challenge) Biased Committee, Permutation and Palindrome, Car-pal Tunnel, Points Inside A Polygon, Chef And The Patents, Chef And His Characters, Broken Clock
June Challenge 2018 Division 2
Vision, Binary Shuffle, Naive Chef
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta, Dr Geros lab
India