Rules of the contest


The contest starts on May 22, 2021. The contest results will be published no later than on July 20, 2021.
The dates of the whole contest are given at the table below.

"Sherlock Holmes and Mahjong" contest schedule.

Item Start Bonus End End Solution
Mystery #1 22.05.2021 25.05.2021 28.05.2021 28.05.2021
Mystery #2 29.05.2021 01.06.2021 04.06.2021 04.06.2021
Mystery #3 05.06.2021 08.06.2021 11.06.2021 11.06.2021
Mystery #4 12.06.2021 15.06.2021 18.06.2021 18.06.2021
Mystery #5 19.06.2021 22.06.2021 25.06.2021 25.06.2021
Mystery #6 26.06.2021 29.06.2021 02.07.2021 02.07.2021
Mystery #7 03.07.2021 06.07.2021 09.07.2021 09.07.2021
Mystery #8 10.07.2021 13.07.2021 16.07.2021 16.07.2021
Story 17.07.2021
End of contest 20.07.2021

Please, note that the table shows only days, while for exact time please refer the table below.

Starting/ending time of publishing the "Sherlock Holmes and Mahjong" contest mysteries.

City / Country Time
New York, USA 08:00
Toronto, Canada 08:00
London, UK 13:00
CET 14:00
Moscow, Russia 15:00
Réunion, France 16:00
China 20:00
Singapore 20:00
Japan 21:00
Australia 22:00

Each new mystery is published exactly at 13:00 London time, which automatically means the respective time for each listed city or country.
In 3 days (72 hours) after that "bonus phase" expires, in 6 days (144 hours) time for sending solutions expires.


Each typical mystery can bring 3 (), 2 (), 1 () or none of so-called "Sherlock points".
Participants' answers for eight mysteries will be scored, and their combined scores will determine their final standings.
All scores except prize winners will be published in a "shared-score" manner.
Only to break ties in top three positions for the prize winners, so-called "time stamp" procedure will be applied.


To submit your proposed solution, you can have several options:

Personal data

Contestant identification used in publication will be based either on explicit signature under the solution(s), or on implicit name tags provided by e-mail program.
Only for the prize winners: full name and mail address is needed to send prizes by regular mail.

Language support

Official language of the contest is ENGLISH.
All mysteries texts and solutions will be provided on 7 (seven) languages, supported by MahjongSoft: English, Russian, Dutch, French, Italian, Chinese and Japanese.
For five of the listed languages (except English and Russian) the author will predominantly use special tools like "Google.Translate".
It is recommended, if possible, to communicate in English, otherwise, use native language.