May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads, Ada Rooks 2
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99
September Challenge 2019 Division 1
Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Fitness Exercises
October Mega Cook-Off 2019 Division 1
D-Value, Hidden Sequence, D-Or
Alkhwarizm (Rated for all)
Winter Is Here, Weirwood Trees, Danny Wants To Know
Dementia 2019 (Rated for Division 2)
BLACK LINE, When to take medicine, Maximum Scoring Position
July Cook-Off 2021 Division 1
Beautiful Subsequence, Mod Equality, Hidden Colored Graph
India