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Subject: quality of free chess program evaluations

Author: Uri Blass

Date: 01:16:42 03/24/04


I think that some test to test the quality of free source code evaluation may be
interesting.

The test should be done in the following way:

1)Modify arasan's evaluation to be identical to phalanx's evaluation
Modify it also to be identical to fruit's evaluation and the same for the other
free programs.

Do the same for other free chess programs so you have many versions for every
free program with source code.

2)Do most of the program slower by adding loops that do nothing.
For example if you needed to do arasan 10 times slower in nodes per second to do
it's evaluation identical to resp and it was the worst case then take care that
all the program are 10 times slower in nodes per second by adding loops that do
nothing.

3)Now start to compare between programs and find rating for every program in
blitz 1+1 time control by hundred of games(if you started with 10 free programs
then you have 100 programs)

Note that it may be possible to have problems in part of the cases if free
source code chess programs use parts of the evaluation for pruning decision and
not only the standard chess techniques but I think that the main problem is to
modify the free chess programs with no bugs.

How much time do you think that a good programmer need to do the last task?

Uri



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