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Subject: Re: CCT4 and Hiarcs8x

Author: Ulrich Tuerke

Date: 03:51:36 01/25/02

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On January 25, 2002 at 05:57:42, Gerd Isenberg wrote:

>On January 25, 2002 at 02:36:48, Ignacio Urbelz wrote:
>
>>I could not connect to ICC to see the games live where there might have been
>>some explanation to this, so I post the question here. Anyone can help explain
>>the disater results H8x is getting in the tourney ? Some of the lost games have
>>really strange moves. Is this a bug ? Thnx
>>
>>Ignacio Urbelz
>
>In the first round of CCT4 IsiChess had black againts Hiarcs8X. I operated
>IsiChess manuelly by myself.
>
>In this position, short after Bookline was finished and both programs had to
>calculate, Hiarcs8X played 22.Rxd7 instead of 22.Nd4.
>
>[D] 2kr1b2/3b1p2/p3pPr1/1Nn1q3/7Q/2N5/PPP4P/2KR1B1R w - -
>
>I was very confused an nervous - Isis score immediatly went to +2..3. Is there a
>trap? What's going on here? But a few moves later Hiarcs8X operator saw that
>something went wrong on his Board - there was stil a Black Bishop on d7 on his
>Board. Obviously there was an interface problem. A wrong 22.move was posted by
>Hiracs8x.
>
>After asking folgers and deepFritz, what to do, i offered to replay from move
>22. But there were already discussions in the Channel Forum - so Hiarcs8x
>Operator decited to resign due to possible later protests.
>
>I felt shamed about the circumstances, IsiChess won the game, specially not
>asking my opponent directly after 22.Rxd7, "do you really want to play this
>move?".
>
>Gerd

Well, after all it's supposed to be chess, what the computers are playing, and
there is a fixed set of rules for human chess; the same applies to computer
chess. Withdrawals of moves are not allowed.

I admit that it's a pity when it's the interface which produced the wrong move.
I remember a game played on a wmcc by ChessTal, where the engine had produced
the winning move (promotion to queen) but the GUI had chosen a knight instead.
Same thing. I think there is no other chance than considering the engine and its
complete sw/hw environment which is necessary to produce the move on ther server
as one unit.

Otherwise, we could think of a lot of cases, where decisions will become
extremely difficult.

Anyway, no doubt that you are a real sportsman, Gerd !

Uli



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