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Subject: Re: Fritz 7a modification to exe

Author: Sergei Smith

Date: 06:14:09 12/06/01

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On December 06, 2001 at 04:46:55, Brian Kostick wrote:

>On December 05, 2001 at 19:34:16, Matthias Gemuh wrote:
>
>>On December 05, 2001 at 17:41:53, Chessfun wrote:
>>
>>>Has anyone been able to modify either Fritz 7 001
>>>or Fritz 7a 002 so as to be able to use both engines at
>>>once. I have tried modifications in a hex editor but it
>>>don't seem to work?
>>>
>>>Thanks.
>>
>>Hi Sarah,
>>that was the first thing I tried after updating. It used to work fine,
>>but now no more :(. Looks like they've intensionally close that back door.
>>I wonder how. After some rest I will go for it again !
>>
>>Regards,
>>Matthias.
>
>Hey all,
>I tried also without success. I tried the filename, the two 'common' internal
>places, and even the version info table. It seems to me that there must be
>another place inside the .eng but I have not turned it out. It's a shame too as
>it has nothing to do with copy protection or anything useful IMO.
>
>   I would have liked to see the original called F7a and the first update F7b
>but these things seem to take on a life of there own. Anyway it's a minor
>grumble if they keep the version info properly.
>Regards, BK

There are API calls to chess.dll
You would need to reverse ...
... with something like W32Dasm or even SoftIce



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