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From: | Philippe Michel |
Subject: | Re: [Bug-gnubg] "Joseph-ID" in benchmark db |
Date: | Thu, 9 Feb 2012 08:34:51 +0100 (CET) |
User-agent: | Alpine 2.00 (BSF 1167 2008-08-23) |
On Thu, 9 Feb 2012, Mark Higgins wrote:
Can anyone point me to a function to convert the keys in the benchmark dbs to a board layout pls? They don't look like 14-char position IDs, and checking this list archive I see them occasionally referred to as Joseph-ID.
The underlying binary key is the same but gnubg's position ID encodes it in base64 while Joseph uses a simpler encoding that translates only 4 bits per character.
See for instance http://cvs.savannah.gnu.org/viewvc/gnubg/gnubg/gnubg.c?r1=1.905&r2=1.906
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