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Subject: Re: Who made Crafty's book?

Author: Odd Gunnar Malin

Date: 05:55:22 09/29/04

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On September 28, 2004 at 19:17:49, Peter Berger wrote:

>On September 28, 2004 at 18:05:02, Mike Byrne wrote:
>
>>On September 28, 2004 at 13:58:46, Gian-Carlo Pascutto wrote:
>>
>>>On September 28, 2004 at 11:18:49, Mike Byrne wrote:
>>>
>>>>On September 28, 2004 at 11:12:41, Gian-Carlo Pascutto wrote:
>>>>
>>>>>On September 28, 2004 at 09:22:26, Tony Hedlund wrote:
>>>>>
>>>>>>[Event "SSDF"]
>>>>>>[Site "Tony Hedlund"]
>>>>>>[Date "2004.09.27"]
>>>>>>[Round "1"]
>>>>>>[White "Deep Junior 8 A1200"]
>>>>>>[Black "Crafty 19.17 A1200"]
>>>>>>[Result "1-0"]
>>>>>>[ECO "C89"]
>>>>>>[Opening "Ruy Lopez"]
>>>>>>[Time "17:26:31"]
>>>>>>[Variation "Marshall, Main Line"]
>>>>>>[TimeControl "40/7200:40/7200:7200"]
>>>>>>[Termination "normal"]
>>>>>>[PlyCount "104"]
>>>>>>[WhiteType "program"]
>>>>>>[BlackType "program"]
>>>>>>
>>>>>>1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5
>>>>>>Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Re4 g5 16.Qe2 Nf6
>>>>>
>>>>>Who made crafty's book?
>>>>>
>>>>>--
>>>>>GCP
>>>>
>>>>
>>>>Is is the one from Bob's FTP site.  I am not sure who made it.  Why do you ask?
>>>
>>>Just curious actually, not meant to imply this was a bad opening as people
>>>seemed to infer.
>>>
>>>I've seen this exact line before, WCCC 2002 Deep Junior - Sjeng and Junior won
>>>it then, too :)
>>>
>>>--
>>>GCP
>>
>>That is simple to explain.  Bob, for quite some time , has built his books on
>>top GM games and then does a little guiding in the opening and let the learning
>>take over.  These books were cleaned of any learning when sent to Tony.
>>Somebody has already pointed out to the GM game it follows - so these are not
>>stolen from any chess program.  Rather , both books are perhaps based on the
>>same GM game.
>
>As far as I know Crafty's book is still built from enormous.pgn, so how is
>Crafty expected to have learnt anything from Deep Junior - Sjeng, WCCC 2002 ? :)

Do i read the game wrong here, isn't Crafty's last bookmove 15...g5. Eg. games
from Averbakh's time.

Odd Gunnar



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