Author: Steve Glanzfeld
Date: 18:46:03 05/18/05
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On May 18, 2005 at 21:03:25, Pierre Chevalier wrote: >I would like to be able to see the end position of a search when a move is >chosen. When a move is chosen an evaluation is returned from the endpoint >perhaps ( just to choose a number ) 15 ply along the search tree branch. I want >to know what was the position for which that eval was given. There should be a >button to press which displays a diagram of the end position of the search. >Are there any programs which currently have this feature? The Fritz programs can display a variation board in the engine window, where you can scroll through the principal variation. You can jump to the last position of the current pv with a >> button. But I don't think that it's always the very last position where the eval comes from (sometimes, the displayed pvs are shorter than the search depth, and/or there will be quiescence search etc...). It requires to resize the engine window to a fairly big size though, to have that board larger than a postage stamp :-) Arena has a similar feature (Ctrl-F12) but displays the variation board in it's own window. That one isn't updated dynamically during the search though, but per user control. It always displays the top line from the engine window, so make sure you don't have chosen "Append mainlines at the bottom" in the GUI settings :-) Both are perfect for browsing the pv when the calculations have ended, i.e. after the engine has moved in a game, BUT: It requires ponder off, because with ponder (= permanent brain), it would display the ponder calculation and not the game move's pv... Steve
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