* On 2008-02-04 Jonathan Rockway ([EMAIL PROTECTED]) wrote: > [...] > > I think about putting some generic, non-specific methods in a separate > > module, which wouldn't be useful by itself, but would be used by the > > more specific modules. Maybe it would be useful to put those generic > > methods to > > > > Chess::Rating::Calculate > > Sounds good. But how about just Chess::Rating? There's no reason to be > too verbose... Chess::Rating is clear and easy to type. Anyone > searching for a module that calculates chess ratings will likely find > yours and the name will encourage them to read more about it. That's > the goal.
Maybe you are right and Chess::Rating (or even Statistics::Rating --
see the other posts) is clear enough.
When I looked for a good name, I thought, that in a "perfect world" I
would suggest naming schemes like:
Chess::Rating::List::FIDE (for Roman's module to access the FIDE
rating list)
Chess::Rating::List::DWZ (for a fictious module to access the German
rating list)
Chess::Rating::Calculate::Simple (for Terrence's module)
Chess::Rating::Calculate::FIDE (for my first module)
Chess::Rating::Calculate::DWZ (for my second module)
...
But probably there aren't that much things one can do with ratings
(except calculate them and parse through rating lists). Therefore it
sounds okay to have
* Chess::FIDE and Chess::FIDE::Player
to parse players from the FIDE rating list and
* Chess::Rating
to calculate Ratings.
> Also, do the users care about the algorithm used to calculate the
> rating? Would it not be better to have an API like:
>
> my $r = Chess::Rating->new( method => 'FIDE', ... );
>
> rather than many separate modules?
Until now I only took a look at FIDE ratings and German ratings (DWZ).
Since the data structure needed to calculate ratings differs [1]
I thought it would be best to reflect those differences by using
different classes.
But again, maybe your suggestion is better -- I have to think about
it.
Best regards
Christian
[1] For instance each player has a "development coefficient" for FIDE
ratings in addition to its "rating" -- see
http://www.fide.com/official/handbook.asp?level=B0210, point 10.52.
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