On 11/22/2010 08:06 PM, Alexander Wagner wrote:
> On 11/22/10 19:50, Joost 't Hart wrote:
>
> Hi!
>
>> A detail that struck my eye.
>>
>> In the "configure informant values" dialogue it is suggested that
>> crushing won and lost positions are nagged ($20 and $21) as "++-" and
>> "-++" (probably, but there is something to say for "--+" as well, just
>> swapping pluses and minuses).
>>
>> Reality is that annotation must add them as "+--" and "--+" (see
>> game.cpp/game_parseNag).
>>
>> What are the intended nag strings? I am not aware of important legacy.
>> CA10 and CB10 do not support these.
>
> In a way the $20 / $21 is defined, we could, as far as I understand
> it, use whatever visual representation we see fit. When I some new
> such representations I just looked around the Net to see what might be
> common and consistent. Concerning ++- and -++, if you start out at +--
> and --+ you'd suspect them to exist but as far as I understand it
> there is no "real value" ($<something>) available to use them. As far
> as I further understand matters here, only the $-nags should be relied
> upon and only those are defined in PGN. (If I'm wrong please correct
> this.)
From the pgn standard I learnt that you are right. There is not even a
suggestion for a visual representation.
But I think you missed my point (or, rather, I failed to make it), in
that the dialogue (suggesting "++-") and the implementation (requiring
"+--") are not consistent. So my text was just an invitation to make a
choice.
I think I feel a slight preference for "++-" (and "-++"). Having said
that, we may not have that much choice, actually. We should at least
continue to "understand" what is we have now ("+--" and "--+") as these
symbols can be found in PGN stuff that we currently export. We could add
some alternative to this (or should correct the informant value dialogue
text).
I do respect any choice. Cheers,
Joost.
>
> cu
> Alexander
>
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