March Challenge 2017
Bear and Extra Number, Xenny and Alternating Tasks
April Challenge 2017
Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Cook-Off 2017
Beautiful Array, Football Match
IOPC 2017 (Rated)
The Birthday Tears, Max Out
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
March Challenge 2018 DIV 1
Minions and Voting, Mix the Colors, Chef and Easy Problem, Chef and Gcd Queries
April Challenge 2018 Division 1
Cutting Plants, Highway Crossing, Count Good Prefixes
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
March Challenge 2020 Division 2
XOR Engine, Pintu and Fruits, Ada Bishop 2
April Challenge 2020 Division 1
Strange Number, Squared Subsequences
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates, Maximize Letter Beauty
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
India