Computer Chess Club Archives




Subject: Re: Using 2 machines for matches (Linux)

Author: Gian-Carlo Pascutto

Date: 01:00:57 06/25/01

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On June 24, 2001 at 23:49:06, Jon Dart wrote:

>I got a little farther with this.
>The Winboard protocol version 2 has support for a "feature" option
>that keeps xboard from sending SIGINT (sigint=0), and Sjeng in fact
>sets this. So I set the xboard options to use protocol version 2.
>When I did this I got a warning at runtime
>"Interface does not support a required feature...expect trouble."
>but in fact it seems ok. It doesn't terminate prematurely anyway.
>(I added this feature setting to the Linux version of Arasan also).

That warning is sent when the interface rejects one of Sjengs
feature commands. The latest XBoard/WinBoard has a goof where
it always rejects 'feature pause', and hence Sjeng complains.

I talked to Tim about this and he agreed that even though
Win/XBoard never uses 'pause', that is not a reason for rejecting

>I had to hack the Sjeng source a little more so that Sjeng can find
>its opening book (I couldn't find any option to select where it
>was located, and when operating in 2-machine mode, the "sd" option
>to xboard is ineffective). So Sjeng works now.

Perhaps I will add an option in the next release to allow specifiying
a book dir.


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