March Challenge 2018 DIV 2
Mix the Colors, Chef and Glove, A Big Sale
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Bad Shuffle, Table Game, Chef and Adventures, War of XORs, Magician versus Chef, Chef and Condition Zero (Challenge)
November Challenge 2018 Division 2
Chef and Ridges, Good Median, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
October Lunchtime 2018 Division 2
Coloring the Grid, Weird Question, Three Friends
Moscow Workshops Juniors 2019 (Rated for all)
Cutting Pizza, Antimatching
January Challenge 2019 Division 1
Different Neighbours, Distinct Pairs, A Pizza Slice
April Challenge 2019 Division 1
Playing with Numbers, Subtree Removal
June Challenge 2019 Division 1
Chef and Ingredients, Sum and GCD
