Author: Vasik Rajlich
Date: 10:22:44 01/15/06
Go up one level in this thread
On January 15, 2006 at 11:36:29, William Penn wrote: >On January 15, 2006 at 05:16:12, Stephen A. Boak wrote: > >>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). > >I'm not sure either, but suspect it is a GUI-only thing. > >If a lot of analysis outputs at long run times is important, Rybka in its >current beta versions may not be satisfactory. It concatenates the output lines >after awhile, eventually yielding only one move pair (2 ply) in the output >displays. However I haven't had enough time to test the latest beta 10d version, >so can't say for sure. The last I heard this was supposed to be improved/fixed >in the 1.2 version slated for a February release. > >In the meantime Fruit 2.2.1 might be a good choice. I like it. It behaves well >in all respects. Scuttlebutt says a possible new version there too along about >March. > >>Best regards, >>--Steve >> >> >>> >>>>Thanks, >>>>--Steve Steve's suggestion is indeed a GUI-side thing. I'm not sure what current GUIs are capable of there. Rybka Beta 10d doesn't fix the analysis problems - this is still coming up. This includes the distance-to-mate stuff. Vas
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.