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Subject: Re: How people could detect if a game was cooked?

Author: Ed Schröder

Date: 16:35:51 09/15/02

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On September 15, 2002 at 19:02:21, Rolf Tueschen wrote:

>On September 15, 2002 at 18:00:59, Ed Schröder wrote:
>
>>On September 15, 2002 at 07:59:42, Rolf Tueschen wrote:
>>
>>>From the Macheide XP tuning games of Thorsten I found the following game. NB
>>>that I did _not_ select the game. It was the first I played. Now I will take a
>>>closer look.
>>>
>>>The game [read the article in Computerschachwelt]:
>>>
>>>Shredder 6 - XP Machëide x2cou_51
>>>40 Moves in 120 min; 20 Moves in 60 min auto232 match, 400mhz (3), 13.09.2002
>>>
>>>1.d4 book 0s 1...Nf6 1:27m 2.c4 book 0s 2...e6 5s 3.Nc3 book 0s 3...Bb4 2s 4.e3
>>>book 0s 4...0-0 3s 5.Bd3 book 0s 5...d5 3s 6.cxd5 book 0s 6...exd5 2s 7.Nge2
>>>book 0s 7...Re8 2s 8.0-0 book 0s 8...Bd6 3s 9.f3 book 0s 9...c5 2s 10.Qe1 book
>>>0s 10...Nc6 3s 11.Qh4 book 0s 11...Be7 4s 12.dxc5 -0.15/13 10:06m 12...Bxc5
>>>5:30m 13.Nd4 -0.15/13 0s 13...Bd7 3:37m (Ne5) 14.Nxd5 -0.03/13 9:32m 14...Nxd5
>>>43s 15.Qxh7+ -0.01/13 3:47m 15...Kf8 6s 16.Qh8+ -0.37/13 7:09m 16...Ke7 4s
>>>17.Qxg7 -1.08/12 5:04m 17...Rg8 8:11m 18.Qh7 -1.64/12 0s 18...Nxd4 15:04m
>>>19.exd4 -1.73/13 0s 19...Bxd4+ 2:25m 20.Kh1 -1.73/13 0s 20...Be6 5:47m 21.Re1
>>>-1.88/11 5:58m 21...Kd6 5s (Qb6) 22.Qe4 -1.70/11 6:51m 22...Qf6 4s 23.Rf1
>>>-3.51/9 12:55m 23...Rxg2 4:02m 24.Kxg2 -9.03/11 7:48m 24...Rg8+ 4s 0-1
>>>
>>>Now my questions:
>>>
>>>1. Could someone tell me where exactly the books end?
>>>2. Also could someone explain why Rebel played his book moves with different
>>>times?
>>>3. As a general question, does someone know if besides book cooking there can be
>>>operator or tester tuning and if yes please with an example?
>>>4. In my eyes we have a book cooking in the example above. Shredder ends with
>>>Qh4, is that right?
>>>5. The cook is Be7, right?
>>>6. Look at the position after 13...Bd7. Could I give you this position to be
>>>examined with your favorite progs? Who plays Nxd5? I already checked that FRITZ
>>>7 does not play Nxd5. It's clear that Black gets a tempo with Rg8 and then can
>>>take on d4.
>>>7. Could someone explain how K-safety could be involved in this special game?
>>>Black takes he risk of a wandering K to d6 and White is "safe" behind his pawns.
>>>Why Shredder, the multi-time Wch cannot see that the open g-file brings storm
>>>for his K?
>>>
>>>Without exact answers to y questions I can't decide what is going on in the
>>>game. But to quote a sentence by Ed Schroder in yesterday's CTF, as you know Ed
>>>has retired from computerchess programming, I can smell a rat in this game.
>>>Someone looks as if perfectly pre-arranged.
>>
>>>Who can find the evidence?
>>
>>Depends on the $$$$$$$ reward :-)
>>
>>But seriously, this is quite some game. Rebel sat a nice trap (13...Bd7) and the
>>opponent felt for it, too bad. The default settings plays 13...Bd7 too.
>
>Ed, I hope you can hear me? And you believe that Thorsten like a grand master
>found that trick in his only 30 game in total? Hahahaha.
>
>
>>
>>About pre-arranging games, anybody can do it, play xxx games, delete yyy lost
>>games from the PGN output and post the remaining. The SSDF can do, all the
>>super-chess-freaks playing their valuable tournaments can do it, and and and. In
>>the end it all comes down if you trust the poster.
>>
>>Science is nice, but how does one scientifically proof someone is lying? Maybe
>>you want to connect Thorsten to the lie detector? Thorsten, do I hear you
>>volunteer?
>>
>>Ed
>
>
>Ed, please, you know that I am as peaceful as Jesus. But when it comes to
>statistics I must defend the rules. Against my inner self. :)
>
>And the rules say, you should never pre-arrange something you want to prove. Or
>alter after the test.
>
>I wasn't the one who made the rules, Ed. Don't shoot me, I'm just the reporter.
>BTW I'm sure that Thorsten is unable to lie. That's the problem with him and his
>inconsistencies. <g>

Well, I don't see any new scientific questions, which means I can rest my case
and safely return to the other forum :)

Ed


>Rolf Tueschen



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