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Subject: Re: Short Report from Frankfurt (Anand-Fritz)

Author: Robert Hyatt

Date: 06:51:27 06/22/98

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On June 22, 1998 at 02:37:40, Roland Pfister wrote:

>I was on saturday at the townhall to watch Anand - Fritz and perhaps
>meet some computer chess freaks.
>
>But the only persons I knew were the two Matthiasses from ChessBase
>and Frederic Friedel. Frederic was busy photgraphing or videoing, so
>I had a small talk with Matthias W. and he told me that Fritz played the
>open too, at that moment having 5 points out of 5. Not bad.
>
>Then Mathias F. arrived, he was the one to operate Fritz. I asked him
>how they did parallize Fritz and he answered "MTDF", because they
>did not have the time to do something clever like Bob.

this sounds like they did something very ugly, like searching a different
mtd(f) on each processor?  But in any case, if they used mtd(f), then we
didn't see the "real fritz" play chess here, because mtd(f) is also not
quick and dirty to implement.  It requires lots of algorithm changes, it
*definitely* requires significant hash-table changes, and so forth.  Seems
like they were too interested in going faster, but overlooked difficulties
in getting stronger.



>
>He also told me that they had tried out the SMP-Crafty on that machine
>and that he thinks that there are still bugs in the parallel code: he had
>seen a PV ending in mate, but with a value of 2.xx !
>
>I told him that my program had played against a Crafty 15.10 (Killerchess)
>and that that Crafty had spoiled a drawn rook ending into a loss, and
>that it would be an explanation if that Crafty also ran on 2 processor NT
>machine.
>
>But then games started: you seem to know more from them than me as
>a spectator. The hard/software that transfers the moves from the board
>to a videoing system is from a company called "Lost Boys".
>In the end phase of the first game with bishops of different colour the
>black king vanished from time to time and also moves were taken back.
>The company should call its system "Lost Kings" !!
>
>After a short break the second game started. No more vanishing pieces
>and a relatively quick draw. I had the impression that Anand had enough
>from computer chess that evening and a win of 1.5 to 0.5 was enough.
>
>Roland



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