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)	Knight Battleships (9x9)	2m 16 s
2 (2025-02-04)	Consecutive Sudoku (8x8)	1m 48 s
3 (2025-02-06)	Arrow Web (9x7)	1m 46 s
4 (2025-02-08)	Summed Skyscrapers (7x7)	2m 2 s
5 (2025-02-10)	Pentomino (13x12)	4m 47 s
6 (2025-02-12)	Perfect Square Sudoku (8x8)	6m 33 s
7 (2025-02-14)	Double Choco (11x10)	2m 10 s
8 (2025-02-16)	Top Heavy Number Place (7x7)	2m 17 s
9 (2025-02-18)	Pentomino Fences (12x11)	2m 30 s
10 (2025-02-20)	Skyscrapers Sudoku (9x9)	6m 19 s
11 (2025-02-22)	Gaps (11x11)	1m 26 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.