The contest consists of 11 puzzles created by Alexei Oleshov. Daily puzzles of all even dates from November 2 till November 22 are included to the contest scores.
Puzzle score is calculated based on the solving time for each puzzle. Puzzle scoring for particular solver is proportional to solving time and the puzzle difficulty.
Scores for individual puzzles are summarized to produce the total contest score. Contest scores are recounted periodically and can be refreshed with some delay after you finish the puzzle.
The persons gain 2nd and 22nd places in the contest will get a small prizes from the author.

Full results of the contest see at the results page
#Puzzle Best time
1 (2020-11-02) Tapa (8x11) 24 s
2 (2020-11-04) Maxi Snake (10x10) 19 s
3 (2020-11-06) Suguru (7x7) 1m 21 s
4 (2020-11-08) Skyscrapers Sudoku (6x6) 1m 20 s
5 (2020-11-10) Queens (5x5) 19 s
6 (2020-11-12) Akari (8x9) 29 s
7 (2020-11-14) Ripple Effect (9x9) 2m 51 s
8 (2020-11-16) Magic Snail (6x6-123) 1m 21 s
9 (2020-11-18) Cave (13x13) 1m 52 s
10 (2020-11-20) Nurikabe (10x11) 44 s
11 (2020-11-22) Minesweeper (8x8) 23 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.