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2011-07-06 Expert: Alexander Dinerchtein Rate: (5)  2 ratings

Marathon Go Championship


The popular event 42.195 Marathon Championship was well received so we organize it again this year. You have 42 days and 19.5 hours to play your games.

This year, however, there are some minor changes in the basic rules of Marathon Go Championship: We have set up the goal, which is 300 games.

The head referee of the event is Cho Chikun(25th Honinbo), who has devoted himself to the spread of the game of Go.

Tournament Outline

Special Cooperation:
Japan Pair Go Association
Head Judge:
Cho Chikun (25th Honinbo)
Matsumoto Takehisa 7P, Tsuruyama Atsushi 7P
Tournament Period:
42 days and 19.5 hours: From Wednesday, July 20th 2011, 24:00 to Wednesday August 31th 2011, 19:30 (Japanese time)

Registration Period

Registration Period:
From Friday, July 1st until Monday, July 18th (Mon), 2011
How to register:
Fill out the information required on the registration page
Entry Fee:
Free of charge
Eligibility for participation:
All Pandanet members

Tournament Rules

The following games will not be counted:

  • A game which was not started or finished within the designated period
  • A game which was interrupted due to disconnection by both players
  • A game played on other than 19-19 board
  • A game played against Robot (Robots user ID is Robot##)
  • A game which does not meet the following time requirement:
    1. Pandanet style: at least 5 minutes for 25 moves
    2. Byoyomi style: at least 20 seconds per move
    3. No Byoyomi: at least 30 minutes for one game
  • A game with less than 40 moves
  • A game which Organizing Committee considered to be inappropriate

Please note that the tournament is not for competing the speed of Go. From the view point of manner, the winning percentage must be at least 30%.

Games during the tournament period are also reflected on your rating. The Organizer Committee reserves the right to disqualify any players who is excessively discourteous to other players.


We call participants who completed 300 games "Finisher". The IDs of all finishers will be listed on Pandanet web site. We will issue a certificate to all finishers, which you can see on the Pandanet web.

Three people selected in a drawing among finishers will receive a diploma signed by Cho Chikun.

Ten people selected in a drawing among finishers will receive an Internet Go lesson by professionals Matsumoto Takehisa, 7 dan or Tsuruyama Atsushi, 7 dan.


( US ) 2011-07-10 03:07
Sounds fun

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