[Computer-go] New paper by DeepMind

Dan Schmidt dfan at dfan.org
Thu Dec 6 14:39:57 PST 2018

I believe that the dependence of C(s) (formerly c_puct) on N(s) is new.

The file pseudocode.py in the supplementary download sets c_base to 19652
and c_init to 1.25.


On Thu, Dec 6, 2018 at 5:27 PM Rémi Coulom <remi.coulom at free.fr> wrote:

> Hi,
> The new alphazero paper of DeepMind about chess and shogi has been
> published in Science:
> https://deepmind.com/blog/alphazero-shedding-new-light-grand-games-chess-shogi-and-go/
> pdf:
> https://deepmind.com/documents/260/alphazero_preprint.pdf
> I tried to play "spot the difference" with their previous draft, and did
> not notice any very important difference. They include shogi games, which
> might be appreciated by the shogi players. It seems they still don't tell
> the value of their exploration coefficient, unless I missed anything.
> Also, the AlphaZero algorithm is patented:
> https://patentscope2.wipo.int/search/en/detail.jsf?docId=WO2018215665
> Rémi
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