June Challenge 2017
Xenny and Coin Rankings, A Good Set
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
December Challenge 2017
Penalty Shoot-out, Total Diamonds
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
December Cook-Off 2017
Beautiful Array, Football Match
September Lunchtime 2017
Chef and Cook-Off Contests
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Permutation and Palindrome, (Challenge) Biased Committee, Car-pal Tunnel, Chef And His Characters, Chef And The Patents, Broken Clock
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
March Cook-off 2018 Division 2
Chef Judges a Competition, Chef Goes to the Cinema
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
May Challenge 2018 Division 2
Dibs on Fibs, Xor Again, Mighty Friend, Minimum Deletions
December Challenge 2018 Division 1
Chef and An Ideal Problem
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid, Mix Mix Game
September Lunchtime 2018 Division 2
Opposite Cites, Chef Restaurant , Judging Delay
June Challenge 2021 Division 1 (Unrated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
India