[Computer-go] Strong engine that maximizes score

Chun Sun sunchun79 at gmail.com
Tue Nov 17 07:14:36 PST 2015


taking my question back. the answer is no in the context of mcts.

On Tue, Nov 17, 2015 at 10:10 AM, Chun Sun <sunchun79 at gmail.com> wrote:

> Is the last requirement equivalent to dynamic komi?
>
> On Tue, Nov 17, 2015 at 9:49 AM, Darren Cook <darren at dcook.org> wrote:
>
>> > I am trying to create a database of games to do some machine-learning
>> > experiments. My requirements are:
>> >  * that all games be played by the same strong engine on both sides,
>> >  * that all games be played to the bitter end (so everything on the
>> board
>> > is alive at the end), and
>> >  * that both sides play trying to maximize score, not winning
>> probability.
>>
>> GnuGo might fit the bill, for some definition of strong. Or Many Faces,
>> on the level that does not use MCTS.
>>
>> Sticking with MCTS, you'd have to use komi adjustments: first find two
>> extreme values that give each side a win, then use a binary-search-like
>> algorithm to narrow it down until you find the correct value for komi
>> for that position. This will take approx 10 times longer than normal
>> MCTS, for the same strength level.
>>
>> (I'm not sure if this is what Pachi is doing?)
>>
>> Darren
>>
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>
>
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