April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef and Ballons, Chef And Magical Path
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Faded Palindromes, Chef and calculation, Chef and digits of a number, Chef and Matrix Division
November Challenge 2016
Count Permutations, Chef and squares, Sereja and Ways in the Cube, Task for Alexey
June Lunchtime 2016
Collisions, One more weird game
February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Xenny and Alternating Tasks
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
June Challenge 2017
Chef and the Feast, Pairwise union of sets, Triplets, Xenny and Coin Rankings, A Good Set, Saboteur (Challenge)
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
India