November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Ridges
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice, Yet Another Problem About Sequences
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Art of Balance, Appy and Contest, Chef and Magical Jars, Manhattan Rectangle
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
Starters 55 Division 2 (Rated)
Non Zero Xor, Ball Sequence, Balls and Boxes, Mean and Median, OR Tuples
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation, Increasing Addition
Starters 58 Division 2 (Unrated)
Equivalent Numbers, Add to Subsequence, Break the elements
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings
Starters 60 Division 2 (Rated)
Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Palindrome Flipping
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