May Challenge 2017
Long Sandwich , Chef and Sub Array , Chef and Battleship, Chef and Subsequences, Median of adjacent maximum numbers, Blocked websites, Courses in an university, Chef and his daily routine, Gotham PD
June Challenge 2017
Chef and Prime Queries, Saboteur (Challenge), A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
IPC Trainers, Whats in the Name, Calculator , Chef and Sign Sequences
April Cook-Off 2017
Bear and Shop Trip, Bear and Candies 123, Bear and AB
IOPC 2017 (Rated)
The Birthday Tears, Max Out, Christmas Time
October Mega Cook-Off 2018 Division 1
Binary Nim 2, Pumping Water
December Challenge 2018 Division 1
(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
