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Old March 12th 04, 09:27 PM
peter wood
 
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Default DEEPFRITZ & FRITZ 8. Difference?

DFritz is designed to run on dual processors and by virtue of that fact is a
stronger programme than Fritz 8, however I read that when both programmes
are running on the same strength single processor that DFritz is still
somewhat stronger than Fritz 8.

Can anyone comment as to the accuracy of the above?

Also are Deep Junior or Shredder much stronger on dual processors?

Thanks,
Peter


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Old March 12th 04, 10:32 PM
Stefek Borkowski
 
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Default DEEPFRITZ & FRITZ 8. Difference?

peter wood wrote:
DFritz is designed to run on dual processors and by virtue of that
fact is a stronger programme than Fritz 8, however I read that when
both programmes are running on the same strength single processor
that DFritz is still somewhat stronger than Fritz 8.

Can anyone comment as to the accuracy of the above?

Also are Deep Junior or Shredder much stronger on dual processors?


As far as I know, Deep Fritz 8 is stronger than Fritz 8, no matter at single
or multiprocessor platform. That's for sure. I just wonder how Deep Fritz 8
compares to Deep Junior or Shredder. Which of all these programs is the
strongest one in the world? Has anybody cared to make decent tests of high
qality chess software available on the market?
Regards,
Stefek

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Old March 12th 04, 11:09 PM
HD
 
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Default DEEPFRITZ & FRITZ 8. Difference?

peter wood skrev:
DFritz is designed to run on dual processors and by virtue of that fact is a
stronger programme than Fritz 8, however I read that when both programmes
are running on the same strength single processor that DFritz is still
somewhat stronger than Fritz 8.

Can anyone comment as to the accuracy of the above?

Also are Deep Junior or Shredder much stronger on dual processors?

Thanks,
Peter


It seems that you should consider - despite of the name - Fritz as one,
and Deep Fritz as another: If you look at it, you'll see that CB
releases Df long after Fritz, which might indicate that there have been
done some work at it - not just to make it most suitable for
multiprocessors, but also other improvements have been made.

The junior engine's are a different matter. DJ looses strength on a
singleprocessor. Most probably because it's a "real" multiprocessor
version of the same singleprocessor engine, and not a much delayed,
improved, further developed one. In other words: It's more fair to talk
about single and multi when it comes to Junior. And Junior 8 on a
singleprocessorsystem also fits its purpose just fine...

Shredder, Shredder... Dear "old" Shredder! Shredder is "always" very
strong. However, ofcause it gains a little bit with a multiprocessor...
All engines do, if they're designed for it - but I don't know if anybody
have a clear perspective of much with any number of processors, hash,
and so on... But I don't believe there are any reliable sources accessable.

HD

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Old March 13th 04, 06:52 AM
peter wood
 
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Default DEEPFRITZ & FRITZ 8. Difference?


"HD" wrote in message
. dk...
It seems that you should consider - despite of the name - Fritz as one,
and Deep Fritz as another: If you look at it, you'll see that CB
releases Df long after Fritz, which might indicate that there have been
done some work at it - not just to make it most suitable for
multiprocessors, but also other improvements have been made.

The junior engine's are a different matter. DJ looses strength on a
singleprocessor. Most probably because it's a "real" multiprocessor
version of the same singleprocessor engine, and not a much delayed,
improved, further developed one. In other words: It's more fair to talk
about single and multi when it comes to Junior. And Junior 8 on a
singleprocessorsystem also fits its purpose just fine...


That would tend to suggest that DJ is probably stronger than DF8 which is
interesting.




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Old March 13th 04, 10:24 PM
David Richerby
 
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Default DEEPFRITZ & FRITZ 8. Difference?

peter wood wrote:
"HD" wrote:
If you look at it, you'll see that CB releases Df long after Fritz,
which might indicate that there have been done some work at it - not
just to make it most suitable for multiprocessors, but also other
improvements have been made.

The junior engine's are a different matter. DJ looses strength on a
singleprocessor. Most probably because it's a "real" multiprocessor
version of the same singleprocessor engine, and not a much delayed,
improved, further developed one. In other words: It's more fair to talk
about single and multi when it comes to Junior.


That would tend to suggest that DJ is probably stronger than DF8 which
is interesting.


I don't see how it suggests that: what's your reasoning?


Dave.

--
David Richerby Technicolor Newspaper (TM): it's
www.chiark.greenend.org.uk/~davidr/ like a daily broadsheet but it's in
realistic colour!


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Old March 14th 04, 08:33 AM
peter wood
 
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Default DEEPFRITZ & FRITZ 8. Difference?


"David Richerby" wrote in message
...
peter wood wrote:
"HD" wrote:
If you look at it, you'll see that CB releases Df long after Fritz,
which might indicate that there have been done some work at it - not
just to make it most suitable for multiprocessors, but also other
improvements have been made.

The junior engine's are a different matter. DJ looses strength on a
singleprocessor. Most probably because it's a "real" multiprocessor
version of the same singleprocessor engine, and not a much delayed,
improved, further developed one. In other words: It's more fair to

talk
about single and multi when it comes to Junior.


That would tend to suggest that DJ is probably stronger than DF8 which
is interesting.


I don't see how it suggests that: what's your reasoning?



Hi Dave,

I should actually have said slightly stronger.The above seemed to suggest to
me that DJ's development was more truly in line with getting the best from
'real' multiprocessor work and would therefore more likely process more
calculations per second enabling it to do more work perhaps, although it was
only an inference on my part, other factors would have to be given
consideration.

The truth is there seems little to choose between these distinguished
programmes as was witnessed in the recent WCC tournament in Graz where the
amazing Shredder only outplayed DFritz in the final game.

Peter


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