Author: James B. Shearer
Date: 23:17:21 01/15/00
Go up one level in this thread
On January 15, 2000 at 00:49:57, Robert Hyatt wrote:
>On January 14, 2000 at 21:42:48, James B. Shearer wrote:
>
>> I agree with Robertson. I don't see much evidence that Hsu has any
>>extremely rare skills. It's not like many similar attempts with equivalent
>>backing failed miserably. Also Hsu's project didn't match the projections in
>>his 1990 Scientific American article.
>> James B. Shearer
>
>
>What did he miss, other than "time". He projected 1 billion nodes per second.
>DB-2 hit that peak. He projected beating Kasparov. He did it about 2 years
>later than expected. But he did do it...
Hsu's projections in the 1990 Scientific American article for the next
generation machine due in 1992 were 1000 chess chips, 3 million positions per
second per chip, 1 billion positions per second overall and 3400 rating. The
actual results for DB-2 which arrived in 1997 (5 years late) were 256 chess
chips, 2-2.5 million positions per second per chip, 200 million positions per
second overall and rating 2900. So he missed rather badly.
James B. Shearer
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