August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
October Challenge 2018 Division 2
Chef and Circles, Byte to Bit, Chef and Serves, Appy and Balloons
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
February Challenge 2019 Division 2
Chef and Magical Jars, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle, Appy and Contest
March Challenge 2019 Division 1
Cheating on Queue, Yet Again a Subarray Problem
March Lunchtime 2019 Division 1
Corrupted Seven-Segment Display, Travelling Saleschef, Partition into Permutations
April Challenge 2019 Division 1
Playing with Numbers, Subtree Removal, Kira Loves Palindromes
Starters 52 Division 1 (Unrated)
Minimum Sum, K-Flip, Gritty Grid, Nil Xor
Starters 53 Division 2 (Rated)
Black&White Ring Game, Rocket Pack, Make A and B equal, Queen Blocks
