Computer Chess Club Archives




Subject: Re: The Crafty variation of the Ruy Lopez

Author: Alexander Kure

Date: 10:22:04 08/12/00

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On August 12, 2000 at 12:42:13, Peter Hegger wrote:

>A friend of mine and I were discussing chess openings the other day and the
>subject got around to chess programs and their contribution to opening theory.
>He mentioned an opening in the Ruy Lopez that was supposedly named after the
>program Crafty.
>Has anyone else ever heard of this opening? If so does anyone know the move
>Thanks in advance for your help.

What i know is the following:

After 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 there is the move 4. Bc4. I don't know if
this was a contribution by crafty, but i suppose that when after 3...a6 a chess
program is out of book it has a good chance to follow up with 4. Bc4 if it loves
the bishop pair more than structural weaknesses of the pawn structure.
In fact the same position with colors reversed arises after 1. e4 e5 2. Nc3 Nf6
3. a3 Bc5 which is well know theory. So 4. Bc4 just transposes.


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