From: Dana B Moreland <dbmoreland <at> RAYTHEON <dot> COM>
Date: 14 oct 2002
Subject: Re: Koya

Larry,

Here is an explanation of the Koya tie_break system:

The elucidation of the Koya System is as follows :
(a) If two or more players score the same number of points in a Round Robin
tournament, the tie is resolved by taking into account the sum of their
scores against the players who have scored 50% or more.

If this does not resolve the tie, then Koya System may be extended in the
descending priority.
Koya System extended :
1) The score of the tied players against the top score group. If this also
fails to produce a result then.
2) The score of tied players against the next lower score group. If this
also fails to resolve the tie then.
3) The score of tied players against the next score group and so on. This
process is to be continued till the tie is resolved.

Please see the following web site for an example of this system is
practice:
http://www.chessindia.org/koya_system.html

Dana Moreland





                      Larry Kaufman
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                      10/14/2002 11:19 AM
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     A top-level chess tournament with qualifiers just chose the finalists
by a tie-break system they called "Koya".  A search produced only Japanese
sites.  I suspect that Koya is a Japanese tie-break system for Shogi; does
anyone know what it is and how it works?

     Larry Kaufman