Author: Christophe Theron
Date: 05:03:58 03/13/02
Go up one level in this thread
On March 13, 2002 at 05:57:38, Kurt Utzinger wrote:
>I am thinking of buying a Palm [only for the purpose of playing chess] and are
>wondering how strong ChessTiger for Palm is? Can you please post two positions
>(1 x middle game / 1 x end game) and give the following information:
>
>- thinking time for a given move
>- search depth/ply
>- evaluation
>
>to enable me to compare with a 'normal' PC [P3 800] or is it possible to say in
>general that ChessTiger_Palm is for example 300 times slower than the PC
>ChessTiger-version?
>Kurt
You can find some info about this on www.chesstiger.com
To give you a rough idea of the strength, here is some data:
On my Palm m505, I get a TigerMark index of 1.35
On the PII-233 Notebook I'm currently writing this message, TigerMark=94
On K6-2 450MHz I get approximately 200.
So Tiger for Palm is approximately 150 times slower than a K6-2 450.
The engine in Chess Tiger for Palm is Tiger 14.9, an improved version of Chess
Tiger 14.0.
The SSDF rating of Chess Tiger 14.0 on K6-2 450MHz is 2631.
Using the formula elo_difference = 70 * log(speed_ratio) / log(2), I find that
there is a 506 elo points difference between the speed of my K6-2 450 and my
Palm m505.
So an approximation of Chess Tiger for Palm's rating by this formula is:
2631-506 = 2125 SSDF ELO
And this is assuming that Chess Tiger 14.9 is not stronger than Chess Tiger
14.0...
This approximation is somehow confirmed by the numerous test games I and other
people have played with Chess Tiger for Palm.
At this time I believe that the strength of Chess Tiger for Palm is between 2100
and 2200 SSDF ELO.
Christophe
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