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Subject: Re: Live chat with Feng-Hsiung Hsu (of Deep Blue fame) on ICC

Author: Robert Hyatt

Date: 08:48:57 10/11/02

Go up one level in this thread


On October 11, 2002 at 04:08:49, Uri Blass wrote:

>On October 11, 2002 at 03:22:46, Bradley Woodward wrote:
>
>>According to ICC's news 1646, on Sunday October 13, Feng-Hsiung Hsu (also known
>>as Crazy Bird or CB) will be on ICC to answer your questions and discuss his
>>work on
>>Deep Blue.  His handle is "CrazyBird".
>>
>>Could be interesting.  Now my question is: after he's said "No - there was no
>>cheating", how many people will believe him?
>>
>>The chat starts at 1pm, ICC server time, or delayed a bit if the Fritz - Kramnik
>>match is still going on.
>
>1)Do people need to be ICC members to participate in the chat or
>can guests also participate?
>
>2)Can somebody ask him about the real software and hardware depth of
>Deep blue of 1997 to remove doubts about it.
>
>The questions are:
>
>1)What does 12(6) mean.
>Does it mean 12 plies in the software+6 plies in the hardware
>or total 12 plies.
>
>2)If he says 12 plies in software+6 plies in hardware then
>next question:
>
>Did the software searched with no pruning.

We already know the answer to this.  The answer is "no".  They have mentioned
a few types of forward pruning several times now.


>
>3)If the answer is positive than how it is possible to do it.
>It is impossible for programs to search 12 plies
>with no pruning in normal middle game positions when
>they search 500,000 nodes per second.
>
>126,000,000 nodes per second is clearly more than 500,000
>nodes but only 252 times bigger and it does not seem enough
>to search 6 additional plies to the impossible 12 plies.
>
>Uri



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