Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: New terrible bug in patched CM 8000!

Author: John Merlino

Date: 12:27:32 04/08/01

Go up one level in this thread


On April 08, 2001 at 07:47:01, Andreas St. wrote:

>Hello,
>
>I found a new terrible bug in the patched (1.02) Chessmaster 8000. It concerns
>the recognition of move-transpositions in Chessmaster.
>I analysed this with an opening variant with the help of the Tournament Book
>from Mr Kostick:
>
>1.d4 d5 2.c4 c6 3.Nf3 Sf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 * this is well known.
>
>CM 6000 is in book and plays e6. Thats normal. CM 8000 (patched) is out of book
>with the same opening book!!!
>Another example:
>
>1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 d5 5.Qb3 dxc4 6.Qxc4
>
>CM 6000 is in book and plays 0-0. CM 8000 is "out of book"!!!
>
>And now the Amazing: The UNPATCHED CM 8000 is NOT out of book in these both
>variants with the SAME book!!! SO it means, the patched CM 8000 has a new book.
>I also found some weeks ago the bug in the opening-Editor of CM 8000 AFTER
>patching, with makes the editor useless in practice. I told John Merlino about
>the bug in the editor.
>If this new bug is connected with the editor-bug, i dont know.
>But this new bug is very bad. It makes the bad opening books in CM 8000 more
>bad.
>
>I hope, John Merlino reads this and a new patch comes soon. CM 8000 need it!
>
>Greets
>
>AS

One important question:

Does this only happen with books created with the opening book editor, or does
it happen with ALL books (even those that came with the program)?

jm




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.