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Subject: Re: pro and cono Nunn-test

Author: Harald Faber

Date: 06:46:51 12/15/98

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On December 15, 1998 at 09:34:15, Dan Kiski wrote:

>While naturally any programmer can set up to play any move whatsoever, the Nunn
>positions let the engine play after move 10, naturally both sides should be
>allowed white and black. You can easily tell if the engine is actively seking
>the best move or playing a programmed response. Also with most programmes you
>can modify it's opening book to only know these opening positions that
>eliminates any possible way the engine would have a pre-programmed move.

That would make a programmer adjust his program for 10 positions!?
And there are always 2 possibilities:
1) if your program fails, re-write it so that it handles these opening positions
correctly
2) let your program play other openings

If I were programmer I wouldn't jump on the train no.1 because in 2) are much
more openings.
I would only take 1) if I'd fail in 2) too... :-)

>Again the advantage to this type of set-up is that it prevents opening book
>wins,

Honestly I haven't seen many games decided by killer-lines.

And additionally I find it OK when a program e.g. plays French better than
Sicilian and therefore the move preferences ae set to avoid Sicilian. What you
do with the Nunn test is to see "oh, program (a) looses, it is no good". But
that is certainly wrong as I explained above. Or did I misunderstand you?



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