The contest features 11 puzzles created by Alexei Oleshov, with daily puzzles from all even dates between 2.2.2025 and 22.2.2025 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 (2025-02-02, competitive)	Knight Battleships (9x9)	2m 16 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.