June Challenge 2019 Division 2
Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD, Road Signs
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
September Mega Cook-Off 2019 Division 2
Two Groups, Playing with Matches
September Lunchtime 2019 Division 2
Find the Sum, All Substrings, Chef Feeds Cats, Chef and Football Match
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Leaked Answers (Challenge)
January Cook-Off 2020 Division 1
Chefina and Sums, Range AND
October Cook-Off 2020 Division 1
Path-etic Sums, Yet Another Crossover Episode
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Traversing Trees, Help Martha
