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

Author: Vincent Diepeveen

Date: 17:05:39 01/28/00

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On January 28, 2000 at 05:25:26, Shep wrote:

>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 ?
>
>I suppose some programs have a more fine-grained approach to this.
>Tiger for example divides the game into several "phases" (more than 3 for sure
>:) according to the material on the board, and different evals
>(/extensions/pruning/...?) are fired off according to the phase the program is
>in.
>In the DOS version, it would show "Phase x/y"; in Rebel Tiger, the best way to
>see it is when the eval suddenly jumps from like "+1.10" to "+0.20" (or vice
>versa) after a capture has occurred. (Contrary to Fritz, this is _not_ due to
>any preprocessor oddities. :)

It is preprocessor oddities.

>---
>Shep



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