October Challenge 2017
A Balanced Contest, Max Mex
December Challenge 2017
Chef And his Cake, Penalty Shoot-out, Total Diamonds
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Points Inside A Polygon, Permutation and Palindrome, Car-pal Tunnel, Akanksha and End of Semester, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Judges a Competition
April Cook-off 2018 Division 2
Cut the Board, Binary Nim
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
April Challenge 2018 Division 2
Average of Pairs, Workers, Count Good Prefixes, Highway Crossing, Weight of Numbers, Chef and Array (Challenge)
June Challenge 2018 Division 2
Vision, Sheokand and String, Binary Shuffle, Naive Chef
June Lunchtime 2018 Division 2
Sort the Leaves, Summary Power, Counting Pretty Numbers
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta
India