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Subject: Re: Shredder 6 test: Fritz 7a [Quite a lot of games are needed]

Author: Kurt Utzinger

Date: 04:38:52 12/16/01

Go up one level in this thread


Quite a lot of games are needed to say that program A is better than program B.
Below an example of a 100-games-match between program A (=Gandalf 4.32g) and
program X (rather strong program for which I am Beta tester) at time control
40'/40 under ChessBase-GUI, ponder=off, 32 MB hashtables, played in 2000 in
exactly this range of order:

games 1-10
3,0-7,0  [X wins]

games 11-20
6,5-3,5  [Gandalf wins]

games 21-30
5,0-5,0 [draw]

games 31-40
3,5-6,5  [X wins]

games 41-50
4,5-5,5  [X wins]

games 51-60
3,0-7,0  [X wins]

games 61-70
5,0-5,0  [draw]

games 71-80
8,0-2,0  [Gandalf wins]

games 81-90
7,0-3,0  [Gandalf wins]

games 91-100
5,5-4,5  [Gandalf wins]

Total	51 - 49 for Gandalf_432g

Comparing this list you can put the question: what if the games 71-90 would have
occured first in a match about 20 games only? Program X would have suffered from
a disastrous loss [15-5], but at the end of 100 games, program X obtained a
nearly even score.

Regards
Kurt



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