January Challenge 2017
Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues
March Challenge 2017
Bandwidth of a matrix, (CH) Bear and Sorted Rows, Bear and Extra Number, Xenny and Alternating Tasks
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
August Cook-Off 2017
Real obtuse, From heaven to earth
Alkhwarizm 2017 (Rated)
Logan and his XOR debacle, Professor X and Grouping of Numbers
January Lunchtime 2018
Chef and Game with Sequence, Chef and Escaping from the Labyrinth
Estonia