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Subject: Re: *** New Winboard version 4.3.0 *** released

Author: Andrew Williams

Date: 12:16:48 02/05/03

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On February 05, 2003 at 14:45:55, Ulrich Tuerke wrote:

>On February 05, 2003 at 11:47:49, Steffen Jakob wrote:
>
>>On February 05, 2003 at 02:08:02, Daniel Mehrmannn wrote:
>>
>>>Whats new:
>>
>>>* New analyze function: You can now analyze observe games on a InternetServer
>>>  and put output to channels, games and people.
>>>  (See option->ICS settings)
>>
>>Others have done something similar too, but didn't make it public because it
>>would be a powerful tool for cheating at internet chess servers.
>
>Steffen, I guess, you are talking about use of computer in a non-computer
>account.
>I'm afraid, I can't follow: why is kibitzing a "powerful tool for cheating" ?
>
>Uli
>

As I understand it, this feature would allow an unscrupulous ICC member to do
this:

1. Log in using Blitzin using their normal handle
2. Log in as a guest using Winboard with an attached program running
3. Issue a "follow <my_handle>" command from the guest account
4. Set the program attached to Winboard to analyze mode

The program will "see" all the moves from the member's game and will output its
analysis locally. An unscrupulous player could use the moves from the program
instead of playing himself.

This is similar to the functionality that Bob uses to allow crafty to write its
analysis to ch211 during live transmission of big games on ICC. The difference
is that Bob has not made his code generally available, because of the
opportunity it offers to cheats.

Andrew



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