Author: Stephen A. Boak
Date: 02:16:12 01/15/06
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On January 15, 2006 at 00:16:32, William Penn wrote: >On January 14, 2006 at 19:02:26, Stephen A. Boak wrote: > >> >>Does Rybka, latest version(s), show multi-variations (top xx move choices) >>during move-by-move (continuous or infinite) analysis? > >Yes. Thanks for the feedback! > >>Does Rybka allow automatic full-game analysis that inserts more than the top >>recommended move into the analysis output. That is, does it allow the user to >>request top 2 or 3 moves, evals & PVs to be included in the full-game >>(overnight) analysis? > >I don't know. How is that different from the above multi-variations (multi-PV) >mode? You have two basic choices, with most chess program game analyses: 1) Step through the game moves/positions one-by-one, letting the engine show top x move choices, evals & variations--as you pause on each position of interest. If x = 2 or more, then you have mult-variation mode. In this mode, you must be physically present at the computer if you wish to force the computer to go to the next (or another) position. You thus choose how long to pause on each move to let the engine think. When you are ready to look at another game position, you click on the game move or tell the engine to step to next move. This is called continuous or infinite analysis, per some named settings in some programs. 2) Run analysis of the entire game, unattended, in an automated fashion. This is often called overnight analysis, since it can take a long time, expecially if the game has many moves & if you give the engine a long time per move to think. Normally, the engine will automatically annotate each move of the game with what it believes is the best move, eval & variation. It will automatically move to the next game position after the per move thinking time has ended. It is this latter mode (2) for which I wondered if Rybka can annotate not just the best move/variation, but the top x moves/variations--during overnight analysis. Perhaps this is only a GUI feature (not a Rybka or engine feature), not sure. I believe at least one Rebel version had such capability, but not sure I've seen it in other programs or GUIs. This is a highly desirable feature to me, for anlyzing the OTB games of myself and my chess students (I do a lot of volunteer chess coaching for friends). Best regards, --Steve > >>Thanks, >>--Steve
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