June Challenge 2017
Chef and the Feast, Xenny and Coin Rankings, Triplets, A Good Set
July Challenge 2017
Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Greedy Candidates, Palindromic Game, Chef and Mover, Chef and Rainbow Array
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
August Cook-Off 2017
Real obtuse, From heaven to earth
July Challenge 2018 Division 2
No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached
Russia