Hi Erik,
Thanks for the clarification.
In the last Olympiad in Kanazawa, David (Fotland) and me, we both thought
that 9x9 Go now becomes a race of book.
There is an interesting "opening book game" between Erica and Mogo,
http://www.grappa.univ-lille3.fr/icga/round.php?tournament=215&round=4&id=11
If I remember correctly, they were both in the book until the 36th moves. I
added that line just before the tournament (from Mogo's games). 36 moves in
the book might be a record. :)
Mogo forgot to remove that line, so Erica won. But in the second game Mogo
was again in the book for many moves and secured a solid win.
Aja
----- Original Message -----
From: "Erik van der Werf" <[email protected]>
To: "Aja" <[email protected]>; <[email protected]>
Sent: Tuesday, July 12, 2011 1:33 AM
Subject: Re: [Computer-go] 19x19 opening books
Hi Aja,
On Mon, Jul 11, 2011 at 4:47 PM, Aja <[email protected]> wrote:
Hi Erik,
Without a book Steenvreter usually still plays decent opening moves
because it is pretty good at predicting pro moves (predictions are
used to set priors in the tree). However, with longer thinking times
there is sometimes a tendency for its style to become more cosmic (not
sure if that is good or bad).
On 9x9 or 19x19 do you mean?
I used to have a different predictor for small boards, but now I just
use the one trained on 19x19; it also works quite well on 9x9.
Actually I was quite surprised, some years ago, when I found that
something trained on 19x19 made the 9x9 program stronger...
Of course for 9x9 the move predictor alone is not good enough. Sadly,
to win tournaments it seems having a good book is now a must.
Erik
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