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Subject: CSS WM TEST - a technical view

Author: Franz Hagra

Date: 02:55:21 06/15/04


1. looking at the used formula

rating WM-Test = base 2600 + (2 x LQ) - [5 x (GZ : 100)]

(where LQ= number of solved positions; GZ = solve time incl. penalty time of
1200 for each unsolved position)

and here the published Ratinglist (only Top 4 out of 230)

X3D Fritz------2.711
Gambit---------2.709
Deep Fritz 8---2.704
CM 9000--------2.702
...

Everyone who has only a little knowledge of measurement and significance knows
that this is really a nonsence. In this we only have 2 significant figures and
so the significant result of the test ist eg. not 2711 but 2700 (within the
range 2650-2749) - other possible measurement data are 2600 and 2800

So the correct WM Test Ratinglist is:

1. 2700 former ranked 1-94 engines (here you find nearly all newer engines)
2. 2600 former ranked 95-229 engines (amateur and older pro's)
3. 2500 Queen 2.28 (UCI)

Hagra



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