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Subject: Re: ChessBase tree feature is definitely bugged. NO

Author: chandler yergin

Date: 10:15:38 05/22/05

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On May 22, 2005 at 12:36:23, Henrik Dinesen wrote:

>On May 22, 2005 at 11:47:59, chandler yergin wrote:
>
>>On May 22, 2005 at 10:37:26, Komputer Korner wrote:
>>
>>>On May 22, 2005 at 03:54:58, chandler yergin wrote:
>>>
>>>>On May 21, 2005 at 22:09:01, Komputer Korner wrote:
>>>>
>>>>>On May 21, 2005 at 20:17:17, chandler yergin wrote:
>>>>>
>>>>>>You can include variations i.e. analysis that is included in games you input,
>>>>>>but these are not included in the statistical analysis.
>>>>>>Transpositions are handled perfectly, and even reverse color openings.
>>>>>>Try 1.c3 e5 2.c4 the Program will follow the Sicilian with White.
>>>>>
>>>>>
>>>>>You don't have to include whole games to the tree. It was designed to add
>>>>>individual moves to the tree or a partial line of moves which is the same as
>>>>>adding individual moves to an opening book.
>>>>
>>>>Yes when adding games, truncate them to usually 20 moves beyond the ECO
>>>>Classification.
>>>>
>>>> The statistics were included by
>>>>>Chessbase from games they imported and then pruned off most of the tree so that
>>>>>just the opening was left. You can also do the same thing by adding games or
>>>>>even just add statistics without adding the games.
>>>>
>>>>Statistics are compiled from Database searches of games played.
>>>>You cannot 'add' statistics.
>>>>
>>>>Either way, your choice, but
>>>>>my original post stands. There are bugs in the tree.
>>>>
>>>>No there are not. I suggest it's 'Operator Error'.
>>>
>>>
>>>Please look at the Chessbase Help on trees. It plainly states that you can add
>>>statistics to the tree based on an external database and you don't actually have
>>>to add the game lines to the tree.
>>
>>Please Post exactly what it states; we can be the judge of what it means.
>>
>> The submenu is
>>>Edit/OpeningsBook/LearnFromDatabase
>>>
>>>However that was not the focus of my original post. My original post clearly
>>>stated that sometimes when adding a move to the tree, the tree will add bogus
>>>statistics to the move even if no retro move shows from a possible
>>>transposition. I have the retro moves feature turned on.
>>
>>Yes, and unless you have 'removed' the write protection; you have NOT added
>>a move to the Tree. You have entered it on the board, that's all.
>>This is probably why you think there is a Bug.
>>Next..
>>You are asserting again, things not in evidence.
>>You cannot 'add' bogus statistics; statistics are calculated, from
>>positions in the Tree.
>>(what kind of juice have you been nippin on?)
>>
>>Statistics:
>>If you switch on this  display option the exact statistical details of
>>each move will be displayed at the bottom of the list.
>>For any 'highlighted' move, the Program displays at the bottom, the
>>exact number of games that were won, drawn or lost.
>>The Bar Graphics make it easy to take in the information at a glance.
>
>
>When you refer to "write protection", I don't suspect that you mean the general
>write protection from the files, but that your're refering to "allow move
>adding" - inside the GUI!??

No, if you have Chessbase, and the Chessbase 7 Manual, look at the Section
"Browsing the Tree"... you'll see what I mean.
Shhhh don't tell KK though, his mind is made up,
don't confuse him with Facts.
;)

>
>In normal terms write protection deals with the files themself.
>"Alow move adding" is just a Chessbase precaution against accidentially manual
>adding of a move.
>Write protection itself is disabled when the book is imported to the harddisk -
>same as with the database.
>
>And, BTW, of course the stats isn't changed when you add a move - or a serie of
>moves - manually og import "games" _without_ results. Number of games(N) and the
>percentages(%) are only influenced by results.
>In both cases they are treated as variantions/single moves (but when adding
>moves manually, those are set as 'main moves' by default, which isn't the case
>if you use the 'Import games' feature).
>
>Regards,
>Henrik



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