[Melbourne-pm] AI Contest - some strategy
Nathan Bailey
nathan.bailey at monash.edu
Wed Nov 10 23:32:19 PST 2010
On 11/11/2010, at 5:57 PM, Toby Corkindale wrote:
> On 11/11/10 17:44, Nathan Bailey wrote:
>> I play my new bot against my old bot for
>> all 100, and if my new bot doesn't win a majority of the games, I
>> rework
>> it!
>
> I'm not convinced of that strategy, btw.
Hmm. Maybe I've thrown gold away then! :-)
> I was chatting to someone else in the competition who was trying out
> genetic methods of improving his bot automatically.
> He could get it so that every new generation would find a version
> that was better than the previous.. but over time, actually became
> worse at beating other bots.
Interesting - perhaps he could try it against TCP? That way he'd get a
variety of bots?
> I've seen something similar too.. my current bot is much smarter
> than the early one, yet the early one's strategy was a bit more
> random, a bit more defensive, and actually does better against some
> specific types of enemy bots.
>
> Actually, for all the extra analysis the current one does, it still
> does some dumb stuff at times :/
It's somewhat amusing to dig into your bot after it makes a decision
you (the author!) don't understand :-)
>> Although I've joined Toby in the top 10, I don't think my bot is that
>> sophisticated, and I'm sure I'll be overtaken once y'all have some
>> time
>> to improve your bots :-)
>
> What's your username?
I'm nateau, http://ai-contest.com/profile.php?user_id=12857
> I uploaded a new bot, and despite not getting many games given to
> him yet, my rank dropped first to 13, and then I uploaded another
> one and now I'm all the way down to 29! WTF?
> I'm guessing this is a "feature" of the ranking system, and
> hopefully I'll get back up once I get a few more games played.
I (scan) read the Wikipedia article on Elo rankings but didn't feel
that enlightened :-)
It may just be that your bot has been matched against some strong
ones, which has made it lose worse than it should.
Oh - one other comment on strategy (presuming there are lurkers on the
list, just waiting to jump into the fray!) - it's all about growth
rate. If you lose the battle for growth rate, death is only a matter
of time...
How you balance growth rate with distance, target planet defences and
competing enemy fleets while defending yourself is an exercise left to
the reader :-)
N
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