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Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position datab
From: |
Jonathan Kinsey |
Subject: |
Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database. |
Date: |
Tue, 18 Jul 2006 09:14:14 +0100 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.4) Gecko/20060516 Thunderbird/1.5.0.4 Mnenhy/0.7.4.0 |
Ian Shaw wrote:
> Astonishingly, it's been about three years since version 0.14 of gnubg was
> released. It has proved to be superior to JellyFish and at least the equal of
> Snowie 4. Since then, BgBlitz has arrived as a serious opponent, and rumours
> of Z-bot's approach persist. If it ever arrives, I'm sure it will be a strong
> player.
>
> I think we've rested on our laurels long enough, and it's about time we
> started trying to improve the playing strength of our favourite bot.
>
> I can think of several ways where might seek to make improvements:
>
> A) Speed up the evaluation function so gnubg can search faster, and maybe
> deeper.
> B) Improve the evaluation function by changing the neural net inputs or
> hidden nodes.
> C) Retrain the existing net using a new set of training positions.
> D) Retrain the existing net using newer rollouts of the current set of
> training positions.
Is having more neural nets a good idea? The race net does seem nearly
perfect, the crashed net is quite specialised, this seems to leave a lot
of positions for the contact net (the vast majority I guess). If we
split the contact positions up into several/lots of different
categorises (e.g. back games, holding games, prime positions) would this
produce a stronger bot?
I've deliberately side-stepped how you would exactly define these types
of positions and also the worked involved... Just wondered if it was a
direction worth considering?
Jon
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- [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database., Ian Shaw, 2006/07/17
- Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database., Joseph Heled, 2006/07/17
- RE: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database., Ian Shaw, 2006/07/17
- Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database., Joseph Heled, 2006/07/17
- RE: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the positiondatabase., Albert Silver, 2006/07/17
- Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the positiondatabase., Joseph Heled, 2006/07/17
- RE: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the positiondatabase., Albert Silver, 2006/07/17
- Re: [Bug-gnubg] Is it time for Gnubg 0.15? New positions for training database, Ian Shaw, 2006/07/17
- Re: [Bug-gnubg] Is it time for Gnubg 0.15? New positions for training database, Achim Mueller, 2006/07/19
- RE: [Bug-gnubg] Is it time for Gnubg 0.15? New positions for trainingdatabase, Ian Shaw, 2006/07/20
Re: [Bug-gnubg] Is it time for Gnubg 0.15? Re-rolling the position database.,
Jonathan Kinsey <=