Computer Chess Club Archives




Subject: Re: Killer Book

Author: Ed Schröder

Date: 09:23:56 06/19/98

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>Posted by Terry Godat on June 19, 1998 at 07:03:50:

>  I play and analyse with various computer programs every day, but I have
>difficulty understanding some of the terms here.  What exactly is a "killer
>book"? It sounds like something good, but then I read on one of the posts that
>someone was accused of having a killer book.  In my neighborhood, "killer," >when used as an adjective, usually describes something good.

I think this is a good question as perhaps everybody has its own
definition for a killer book. Here is mine...

#1. A killer book is a special designed opening book with pre-defined
opening lines to play against several other computer opponents. A killer
book contains lots of prepared (home work) games against other computer
programs to leave the book in a clear won position. Or in other words a
killer book is a collection of games that immediately after leaving the
opening book reaches a position that would make a grandmaster resign
without further playing (or reach an evaluation of +3, +4 or similar).

#2. Another word used for "killer book" is the term "cooked book".

#3. Killer books are common practice especially on comp-comp tournaments
but also can be found in commercial chess programs although these days
you hardly see them anymore, this since book learner was introduced a
few years ago.

#4. Other people have other definitions of a killer book. Some even say
that when a computer program leaves the book with a 0.50 score (half a
pawn up) that's a killer opening line too.

#5. Killer books have a bad name because the work (beating the opponent)
is not done by the chess program itself (the engine) but by the work of
a human at home.

- Ed -

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