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Subject: Re: Pro Deo wish for Ed

Author: Lex Loep

Date: 22:47:24 06/15/05

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On June 15, 2005 at 17:28:06, Dieter Buerssner wrote:

>Lex and Odd Gunnar,
>
>very nice, when you have such a feature in the WB interface. You might consider,
>to get it into the WB-Protocol. Otherwise, we might see different solutions
>soon. It should be added to the protocol by the feature mechanism. It should be
>well defined, when the new commands are allowed (for example only in force mode
>- but one would need to think well about this).

The setvar / getvar mechanism is in rebel for years. Full specifications can be
found here:
http://www.lokasoft.nl/rebel_12_winboard_extensions

>
>I prefer the UCI searchmoves semantics - no need for a positive and negative
>list. Easier to implement for anybody, probably also easier to define it well.
>
>Of course, when you want to operate WB-engine manually, the positive and
>negative list will have huge advantages. But for a protocol, that is aimed for
>GUI operation, this does not count IMHO. Probably only engine authors operate
>manually - they can implement what they want anyway for the console mode. A real
>user that wants to use such a feature would need, to read some documentation. No
>big problem, I think. In Yace I have some sort of interactive mode, to enable
>and disable root moves for analysis/search.
>

The single list would be sufficient and once integrated, the gui only sends the
positive list.
The two lists are just a quick way to get it in the engine properties.

Lex

>Regards,
>Dieter



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