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Subject: Re: Open letter by Xie Jun on her match with Deep Junior at TWIC

Author: Eelco de Groot

Date: 04:24:34 03/21/00

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On March 21, 2000 at 04:40:40, Tom Kerrigan wrote:

>It is not clear to me why Xie Jun did not agree to play via telephone.
>
>She says it was to avoid the possibility of cheating on DJ's side.
>
>But clearly someone was making DJ's moves manually over the Internet. How else
>could this Kd8 mouse slip have happened? So what was to prevent the person from
>cheating? Even if a human wasn't making the moves manually, cheating is
>obviously possible.
>
>I suppose it's possible that Xie Jun does not understand the technology involved
>at all, and does not know any better.
>
>But I think it's more likely that she was just trying to be difficult.
>
>Other than this detail, her story sounds very compelling.
>
>-Tom

Yes, you would think that using a plain old telephone could at least have solved
some of the disconnection problems, don't you think so too? In the fourth game ,
the Junior team was indeed playing manually but not before, going by the account
at Kasparov Chess, excerpt below:

--------------------------------------------------------------------------------
At 13:31 GMT, Xie Jun played her first move - e4!

Like in a horror story, DJ did not respond. The night before, in the midst of
the Kasparov grand simul in NY and just before the live Becker-Kasparov match
planned for the next day, a correction was made to the DJ robot to patch a
problem of not updating Deep Junior with server time when the second time
control would
take effect. Apparently, this last-minute change was fatal, and locked DJ just
at the crucial moment.

(Naturally, the new robot had been tested during the night and found to be
working.)

After several attempts to recover, we decided to move to manual feeding.

(This was also the way Xie Jun was playing--that is, over the board, with moves
fed via Mr. Leong, the official observer.)

Xie Jun demanded compensation: a 20-minute deduction on DJ's clock, which was
granted to her upon resuming. As the tragedy continued, DJ's manual operator
committed a mouse slip and instead of castling, the book move, he dropped DJ's
queen on d8. This out-of-the-blue event did not stop DJ, and the game continued,
with DJ working its way out of the odd position it was driven into.

But then came the final blow--a disconnection message from Xie Jun's playing
applet was received just as she played 16. Qe2. Xie Jun did not realize she had
been disconnected from the server.
--------------------------------------------------------------------------------

Xie Jun's account about the reasons for the time deduction and about the
disconnection are very different but apart from that, don't you think that there
should have been at least an independent observer and better an official arbiter
present at both places? This has always been the case in the Rebel Grandmaster
Challenge Matches as far as I know. Admittedly that would have been more
expensive but surely they could have found an arbiter somewhere in Israel? If
both parties had agreed to this beforehand an arbiter or arbiters could have
helped see to it that suitable conditions had been met before the match started
and help negotiate and arbitrate some of the unforeseen problems that are sure
to arise in such experimental matches. I think Xie Jun could have asked for
that, and that would have been just a reasonable request in my opinion.

Eelco



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