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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