The contest features 22/2 puzzles created by Alexei Oleshov, with daily puzzles from all even dates between 2.11.2025 and 22.11.2025 included in the competition.
Scoring Details:

• Each puzzle's score is based on the solving time and its difficulty.
• Scores for individual puzzles are combined to calculate the total contest score.

Full results of the contest see at the results page

#	Puzzle	Best time
1 (2025-11-02)	Chat Room (6x10)	59 s
2 (2025-11-04)	Arrow Web (5x9)	38 s
3 (2025-11-06)	Mid Loop (6x9)	11 s
4 (2025-11-08)	Striped Snake (9x10)	1m 7 s
5 (2025-11-10, competitive)	Canal View (8x9)	26 s
6 (2025-11-12, competitive)	Skyscrapers Sudoku (6x6)	54 s
7 (2025-11-14, competitive)	Akari (8x13)	44 s

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.