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Up Topic The Rybka Lounge / Computer Chess / Chessbase 14 Tactical Analysis feature
- - By leavenfish (***) [us] Date 2017-12-23 18:12 Edited 2017-12-24 05:32
I have about 900 OTB tournament games I have played stored in Chessbase. Some with annotations, some not.

The Tactical Analysis feature in Chessbase has been updated recently. I am thinking of having it look at all these rated games....separate database so as to not mess with my 'human' notes...probably in small batches.

IF you are not familiar with the Tactical Analysis feature - it doesn't just look for tactics, but rather annotates the game identifying: Opening Theory, Turning Points, Threats, Suggestions, Identifies particular endgames, providing Training Questions and such.

QUESTION:

I subscribe to Komodo....have the latest Stockfish and ASMFish. A desktop with an i7-6700 CPS @ 3.4GHz, oodles of RAM.

CB recommends about 7 sec/move. I might set it for 9 or even 11 sec.

Given that it starts at the end of a game and works backwards....for a SET length for each move....any thoughts about which engine I should use?
Parent - - By leavenfish (***) [us] Date 2018-01-07 00:03
No takers?
Parent - - By MarshallArts (***) [us] Date 2018-01-07 04:51
Use OpenTal 1.1 :razz:

Seriously, you might want to try the modified version of Stockfish that Daniel Jose tweaked a few months back,
which back-propagates the eval score properly. You can search the talkchess forum for it.

:neutral:
Parent - By leavenfish (***) [us] Date 2018-01-07 21:43
Thanks! I'm not aware of that recent Stockfish Mod. I'll search for it. My searching for Daniel's posts if he uses his actual name.

Now, someone on talkchess (Ulysses P) did suggest a SF Mod from 2014 I think. I downloaded it, tested it and compared it with the annotations of a current ASMfish. I did not really see anything (but admitted I had only tried two games). I apparently had the temerity to ask what it was I was supposed to be looking for it it were in fact more suited to this...and he blew up with various invectives. I presume with the extra speed and knowledge (vs a 2014 SF), there would be a trade off...and maybe the current ASMfish was just as good for this purpose if not maybe better.

And while I understand 'back-propagation' makes a lot of sense in working thru an opening repertoire...I'm still unclear on how it helps that much looking back thru single games, which may contain a lot of...big and small errors as the game goes on.
Parent - - By Carl Bicknell (*****) [gb] Date 2018-01-07 12:02
Depends what you're looking for. If you want the best annotations use the strongest engine - probably asmfish.

For my money I'd classify the games into different opening types and make IDeA projects for those openings. But if you just want annotations for the whole game, use your method.
Parent - By leavenfish (***) [us] Date 2018-01-07 21:51 Edited 2018-01-08 03:55
And just saw this - thanks for the reply, Carl.
Yes, I was using the latest ASMfish. As a Komodo subscriber, I really wanted to try Komodo, but it seems that ASMfish is so much faster that given a 'set time' to look at a move, it made more sense. Yes, really just looking for 'annotations'...suggestions really that I might not have considered in the games. Some where played 20+ years ago.

I have an older Aquarium...if I were going thru an opening, I would want to use something like that, yes.
Actually, I have Chess Position Trainer...it 'backsolves'/ mini-max an opening pretty well also. It is a really nice way of storing/working on your opening.

EDIT: So I downloaded that SF analysis engine...I have it going backwards thru one of my openings in Chess Position Trainer....Will probably be done about midday tomorrow. I will be interest to see the results. Thanks!
Up Topic The Rybka Lounge / Computer Chess / Chessbase 14 Tactical Analysis feature

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