January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
January Challenge 2019 Division 2
Fancy Quotes, A Pizza Slice, Chef and Modulo Game, Distinct Pairs, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences
January Lunchtime 2019 Division 2
Distances, Rooks, The Nights Watch
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Secret Password, Chef and Party
India