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Subject: Re: Ed, proposal for Rebels analyis

Author: Ed Schröder

Date: 01:51:07 08/25/98

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>Hi Ed,

>Me and certainly some others too would like to see 2 senseful features:

>1) when letting Rebel analyze a game (for example) it is unnecessairy wasting
>time if the played move is the same as Rebel would play. I don't see the sense
>in analyzing only this move again, it only wastes time

I will see what I ca do.

Rebel analyze a game and its moves in the following way:
Stage one: Analyze what Rebel would have played (on the given time-level)
Stage two: Analyze the actual move played (till the ply-depth of stage-one)

Suggestion: after stage-one if "Rebel_move = move played in game"
skip stage-two and copy analysis results from stage-one into stage-two.

Is that what you want?

In this respect remember that stage-two is much faster than stage-one.
In stage-one all moves have to be searched. In stage-two only the "move
played in the game" has to be searched till the given depth from stage-one.
Stage-two is simply done by an internal "analysis include". As you know
such a search is usually 3-5 times faster. So the real time gain is not much.
But I assume that is not a good answer :)

>2) you are right with your statement that Rebel starts to analyze a game when
>Rebel comes out of book. But at least my version Rebel analyzing a database
>Rebel starts thinking at move #1. This is of course not senseful, or am I
>doing something wrong?

You mix up "Analyze Game(s)" and "Analyze Database".

Analyze Game(s) : Analyze full games (all moves)
Analyze Database : Analyze positions (only the *first* move is analyzed)
Also the output between "Analyze Game" and "Analyze Database" is quite
different.

- Ed -



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