Summary on the Copenhagen Hnefatafl.

Copenhagen Hnefatafl 11x11 board
Copenhagen board, aagenielsen.dk.

1732 Carl von Linné, Sweden, wrote down in his Lapland excursion diary the rules of the Saami tafl game Tablut.

1811 James Edward Smith, UK, translated the Latin parts of the Linné diary, like the Tablut rules, into English.
The Smith translation introduced some errors, which are in contradiction with the Linné description:

1913 H. J. R. Murray, UK, identified the game described by Linné to be Hnefatafl, based on the Smith translation.

(This pathway is well described by John C. Ashton, New York, USA.)

1980 David Brown, UK, made a reconstruction including the errors of the aforementioned works:

The king wins on the edge. And David Brown increased the board size into 11x11.
Though based on some early translational errors, David Brown obviously did his home work and tested his reconstructed rules thoroughly, because our test tournament found a game balance of 12 defenders' wins per 10 attackers' wins.
David Brown indicates some options to these rules, fx. See more here.

At some point the David Brown rules were adjusted into a version often described on the internet, we call it the "Old Hnefatafl 11x11":

This game works - we measured a game balance of 133 defenders' wins per 100 attackers' wins.
On the way an important David Brown rule was lost and forgotten: "If the attackers surround the king and ALL remaining defenders, then they win, as they have prevented the king from escaping."

2007 the Fetlar Hnefatafl Panel was set up in the Shetland island Fetlar with the object of finding a practical set of rules for using world-wide.
They decided on the above mentioned "Old Hnefatafl" with one modification:
The king cannot be captured on the board edge.
This game, Fetlar Hnefatafl 11x11, works fine - game balance measured to 140 defenders' wins per 100 attackers' wins. The rules have been used for World Championship tournaments in Fetlar 2008, 2009, 2010 and 2013.

From January 2012 Adam Bartley (Norway), Tim Millar (UK) and Aage Nielsen (Denmark) (supported and commented in the process by other tafl players in the forum) worked on filling in some gaps we perceived in the Fetlar rules:

This work resulted in a rule set, which is identical to Fetlar but with a few additions: By June 2012 the rules were ready, and they were named Copenhagen Hnefatafl 11x11.
The game balance is measured to 149 defenders' wins per 100 attackers' wins. The rules have been used for World Championship tournaments on this site 2013-2016, in Formby, UK, 2014-2016 and in Sutton Hoo, UK, 2015-2016.


Copenhagen Hnefatafl

See the Copenhagen rules here.
More about the Copenhagen Hnefatafl in our forum.
Test tournament.


Updated 13.7.2017
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