The contest consists of 11 puzzles created by Alexei Oleshov. Each puzzle is featured as the daily puzzle on every even date from August 2 to August 22, 2026, continuing the traditional dOubLESHOW theme centered around the number 2.
Scoring Details: - Each puzzle is worth a number of points determined by your solving time and the puzzle's difficulty.
- Your total contest score is the sum of the points earned across all contest puzzles.
- Contest standings are updated periodically and may take a short time to refresh after you complete a puzzle.
Full results of the contest see at
the results page
Click at the puzzle name to solve the selected puzzle.
Puzzles which are older than 5 days are non-competitive and can be attempted without registration.
Click at the best solving time value to see the score table for the selected puzzle.