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Subject: Re: How you judge in your program: "opening", "middle game", "end game"

Author: Amir Ban

Date: 16:56:04 01/27/00

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On January 27, 2000 at 10:40:05, Jari Huikari wrote:

>Where you consider the position of a game changes to middle game / end game?
>
>opening == most pieces haven't moved yet ? / opening book not ended yet ?
>end game == few pieces left ?
>middle game == neither of the two above ?
>

end game = sum of piece values doesn't exceed some threshold (= Two rooks + two
minor pieces for each side).
I don't distinguish between opening and middlegame.

>
>Bonus questions:
>
>How does your calculations differ in each phase from the other two?
>More pruning in middle game?

Passed pawn extensions only in endgame, some thresholds are set differently,
some more minor stuff.

>
>How do you handle opening, if your opponent plays it early out of bookmoves?
>

Nothing special

>					Jari

Why do you ask ?

Amir



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