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Subject: Re: Could you try a brief experiment with Hiarcs 8?

Author: P. Massie

Date: 08:28:37 05/15/02

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My version of Hiarcs8 (running in the Hiarcs8 GUI) has a 9% probability of
playing Nc6 on move 2 as below.   Following that it has a 100% probability of
playing 3 ... Be7, although e5 is listed as a 0% probability.  The opening book
is exactly as arrived on the CD, with no changes.

Paul

On May 15, 2002 at 08:13:53, Chris Taylor wrote:

>On May 15, 2002 at 05:14:21, Vine Smith wrote:
>
>>Hi --
>>
>>This is in reference to some issues about the book, particularly a recent post
>>by Harald Faber. I had seen a game posted (at game in 30 minutes) where Hiarcs
>>as Black played 1.e4 e6 2.Qe2 Nc6 3.Nf3 Be7? Faber says that when he looks at
>>the Hiarcs book (I think he's just using the Chessbase GUI function), it says
>>Hiarcs will always play 2...c5. For this purpose, the time control and system
>>speed are unimportant, just try playing an actual game from the position after
>>White's second move, and see if it immediately responds with 2...c5. If so, I
>>suppose the game I saw posted was played with a different book, or is spurious.
>>If not, then the program is not understanding its own book correctly.
>>Thanks in advance, if you have the time for this.
>>
>>Regards,
>>Vine Smith
>
>Playing against Hiarcs 8 with
>1. e4  e6
>2. Qe2  c5........It played this move sort of expecting either f4 or Nf3 as
>Whites third.  Nimzo 7.32 gui......Identical in H8.gui
>
>Looking for 2....c5 and browsing the book we see
>N=4182 and 50% chance of being played
>2....Nc6 has N=261 with 49%
>Also in is 2....Ne7 N=257 50%
>
>The plot thickens..
>
>Chris



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