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Subject: Re: CM8000 - VIsual Thinking window

Author: William Penn

Date: 21:53:25 12/05/00

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On December 05, 2000 at 16:35:12, John Merlino wrote:

>On December 05, 2000 at 14:30:41, William Penn wrote:
>
>>On December 05, 2000 at 13:55:23, James T. Walker wrote:
>>
>>>On December 05, 2000 at 13:01:27, William Penn wrote:
>>>
>>>>On December 05, 2000 at 10:37:10, James T. Walker wrote:
>>>>
>>>>>On December 04, 2000 at 23:40:17, John Merlino wrote:
>>>>>
>>>>>>On December 04, 2000 at 23:08:18, William Penn wrote:
>>>>>>
>>>>>>>On December 04, 2000 at 17:20:28, James T. Walker wrote:
>>>>>>>
>>>>>>>>On December 04, 2000 at 13:50:50, John Merlino wrote:
>>>>>>>>
>>>>>>>>>On December 04, 2000 at 02:39:32, William Penn wrote:
>>>>>>>>>
>>>>>>>[snip]
>>>>>>>
>>>>>>>
>>>>>>>What is a "PV"?
>>>>>>
>>>>>>PV stands for Principal Variation (I hope that's right). It is what the engine
>>>>>>believes is the best line of play. (please somebody correct me if that is a
>>>>>>hopelessly naive explanation).
>>>>>>
>>>>>>jm
>>>>>
>>>>>That's correct John.  And the PV is constantly changing.  So if you are looking
>>>>>at the visual thinking board and the PV changes the board changes to show the
>>>>>new PV.  If you extend the "thinking lines" box vertically you may see many PVs.
>>>>> The latest is of course the one at the bottom and that is what the visual
>>>>>thinking board will show as the current position at the end of that PV.
>>>>>Jim
>>>>
>>>>Yes, that's also the way it worked with CM6000.  But it does not work that way
>>>>with CM8000, at least not with my typical CM8000 installation running W98se.
>>>>The position shown in the Visual Thinking window does not correspond to any of
>>>>the lines (lists of moves) in the Thinking Lines window. It changes frequently,
>>>>and it is apparently displaying various intermediate positions of the current
>>>>search in progress -- at one ply greater than the last line displayed in the
>>>>Thinking Lines window.  But that isn't clear, because I don't "recognize" the
>>>>positions, so don't actually know what they represent.
>>>>WP
>>>
>>>Hello William,
>>>Are you sure you have the "Thinking Lines" extended to the right side far enough
>>>to see the entire variation?  I'm sitting here right now looking at my other
>>>computer in the starting position and here is the PV:
>>>e4 e5 Nf3 Nf6 d4 Nxe4 Nxe5 d5 Nd2 Nd7 Bb5 c6
>>>The position shown on the visual thinking board is exactly what you get at the
>>>end of the variation.  It is at depth 12 and the score is 0.21 at 13,336,141
>>>positions.  This took 3:57 on my Athlon 900 Mhz.  This was with Chessmaster
>>>playing the black pieces and just sitting there waiting for me to move.  As far
>>>as I can see it's working perfectly.  I'm using windows 98 with a downloaded
>>>update from the Microsoft site.
>>>Regards,
>>>Jim
>>
>>Hi Jim,
>>Yes, my Thinking Lines window is fully expanded and shows the complete line of
>>moves at the right. The Visual Thinking window obviously doesn't work right for
>>me with my typical CM8000 installation, and I have no idea why. I'm familiar
>>with it from CM6000, so I know how it's supposed to work. Presumably it is
>>supposed to work the same in CM8000 as in CM6000.
>>
>>I'm running an OEM version of W98se, and Internet Explorer 5.5 (which includes
>>some windows updates too) with all of the latest updates available online from
>>Microsoft. If it were Windows 2000 or Windows ME, that might explain it because
>>apparently they aren't supported, but supposedly CM8000 supports W98se.
>>WP
>
>What boxes do you have checked in the "Thinking Lines" window? What
>personalities, if any, are in the current game?
>
>jm

Mostly I use my CM8666 Deep personality as previously described, versus a human.
I check the white or black box in the Thinking Lines window, whichever the
personality is using. I never check the Chessmaster box.
WP



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