Author: Mike Byrne
Date: 04:06:44 09/22/03
Go up one level in this thread
On September 21, 2003 at 22:30:35, Christophe Theron wrote: >On September 21, 2003 at 19:54:12, Mike Byrne wrote: > >>Current SDDF ratings >> >> Program/Computer Rating >>1 Shredder 7.04 UCI 256MB Athlon 1200 MHz 2810 >>2 Shredder 7.0 256MB Athlon 1200 MHz 2770 >>3 Fritz 8.0 256MB Athlon 1200 MHz 2762 >>4 Deep Fritz 7.0 256MB Athlon 1200 MHz 2761 >>5 Fritz 7.0 256MB Athlon 1200 MHz 2742 >>6 Shredder 6.0 Pad UCI 256MB Athlon 1200 2724 >>7 Shredder 6.0 256MB Athlon 1200 MHz 2721 >>8 Chess Tiger 15.0 256MB Athlon 1200 MHz 2720 >>9 Shredder 7.0 UCI 128MB K6-2 450 MHz 2717 >>9 Chess Tiger 14.0 CB 256MB Athlon 1200 2717 >> >>Based on everything I have looked at (analysis of positions etc), PF 2 is more >>akin to Shredder 7 and not Shredder 7.04. On a Dell Axim running at 400 Mhz, >>it appears to be about 12=15x slower than a P4 1.7 Ghz which runs pretty close >>to a P3 1.2Ghz. >> >>If one assumes for the moment that doubling of speed is worth 50 points (which >>is high IMO > > > >No you are wrong. Doubling the speed increases the SSDF elo rating by 60 to 70 >approximately. I don't believe that is true at all except on lower end units. > >So your estimation of the strength of PF2 on Dell Axim is too high. > > > > >> - I think it's closer to 35-40 points at the high end) - then we can >>work backwards. For simplicity. let's just say an Axim is 16X slower than 1,2 >>Ghz (it's not - but this make the numbers easier to work with). >> >>16x = 2^4. So we take 50 x 4= 200 points - so in the case PF2 on a Dell Axim >>running Mobile 2003 is equal to 2570 to SSDF conservatively. > > > >It is not conservative at all. See my remark above. > > > > >>This over 200 >>points higher than any estimate for any program running on the Palm Tungsten > > > >Probably not. > >And when Chess Tiger for PalmOS in native ARM code is ready, this advantage if >it exists will vanish. > > > > Christophe > > > >and >>clearly ahead of any dedidicated unit.. This clearly in IM range and maybe even >>weak GM level. A 206 Mhz ARM would be about 100 points less than this or 2400 >>SSDF under this scenario. IMO, it is only about 70 points less.
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