On 17, Nov 2006, at 12:49 AM, Wodzu wrote:


Could You give an example of such pattern or maybe is there somwhere a list of
common patterns?


I just got this last night from a Go-playing computer-programming friend:

I found new English translations of very popular Japanese Go books
that I am really enjoying:
        Dictionary of Basic Tesuji, by Fujisawa Shuko, translated by Steve
Betherick, published by Slate and Shell:
        Vol. 1 Tesuji for Attacking
        Vol. 2 Tesuji for Defending
        Vol. 3 Tesuji for Opening, for Capturing Races, and for Life and
Death problems, Part 1.

In the first section of Vol. 1, on Separating Moves, there is a discussion
of the "normal" (non-Tesuji) moves, as well as the "clever" moves.
This book gives a clear explanation of the many
different separating moves I had seen in other places:
        Jump descent (4th and 2nd lines)
        Solid descent ("iron post")
        Sideways bump
        Diagonal move
        Diagonal attachment
        Jump attachment
        Jump move
        Cut
        Push and Cut
        Double Hane
        Knight's Move
        Attach and Block
        Attach and Hane
        Attach and Cut
        Attach and Pull back
        Attach and Hane
After studying the material, I actually think I can choose the "appropriate"
move sequence to use in different situations...
I believe this is the type of information that can be coded for use by
a computer, and combined with look-ahead for accurate evaluation of
specific situations.

I agree that "proximity to last move" is an OK place to look for moves to search, and I also think that I would *not* use it as part of an evaluation function, that is,
no extra value for that fact.

Cheers,
David
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