January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Eid, Chef and Problem Setting
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
India