Computer Chess Club Archives




Subject: Re: a question to Tord about detecting threats in null move

Author: Uri Blass

Date: 16:54:42 10/04/03

Go up one level in this thread

On October 04, 2003 at 19:45:25, Vincent Diepeveen wrote:

>On October 04, 2003 at 17:40:11, Sune Fischer wrote:
>>On October 04, 2003 at 17:25:27, Gian-Carlo Pascutto wrote:
>>>On October 04, 2003 at 17:23:07, Uri Blass wrote:
>>>>My feeling is no in this case but I will prefer even 1.e4 h6 and not to go to
>>>>popular lines when I can expect some kure killer line.
>>>>It may be an interesting experiment to test top programs in 1.e4 h6
>>>>If some volunteer with good hardware can give white 180 minutes/40 moves and
>>>>black 1800 minutes/40 moves(no pondering) then it may be interesting to see the
>>>>result of black.
>>>>If opening book is important like vincent believe then black should get poor
>>>>results inspite of the hardware advantage.
>>>>If search is important like I believe(and I may be wrong) then I can expect
>>>>black to get more than 50%.
>>>I don't think I ever saw Vincent arguing that being 10 times faster is not
>>>important - you are really swinging wildly and not hitting anything here.
>>If I may, I think I understand Uri's point.
>>The problem with books is that they do the playing on behalf of the engine.
>>Now if you have a really good book that may be an advantage, but if you are
>>using the standard pgn compile maybe it is better to get the engine to think on
>>its own as fast as possible. Otherwise you run the risk that it finds itself in
>>a lost position 20 moves later comming out of book.
>>Also consider that time is a factor, as long as your opponent is playing from
>>book he is saving time.
>>Playing 1.h3 (I think I'd prefer 1.a3) solves many of those problems and a
>>relative small price.
>>Of course objectively 1.h3 is not the strongest move, but that's not the (whole)
>So you go 1.h3 the opponent directly reacts and plays within a flash of a second
>out of his book 1..e5
>You hope to confuse your opponent and play 2.a3 and avoid your opponent from
>saving time by book.


The point is that the opponent has not a huge book after 1.h3 so you can prepare
the book manually when after 1.e4 the opponent has huge book.

I also do not say that you have to plan the surprise in the first move and you
may delay it.

The point is to avoid lines when thousands of games were played in a few moves.


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