On Fri, 11 Jul 2014 10:05:39 -0600
William Astle <l...@l-w.ca> wrote:
> I've noticed that in recent revisions, artillery is nearly useless for 
> attacking colonies or native settlements. Dragoons are marginally better 
> but not by much.

The "artillery in the open" penalty will apply, but that should be visible
in the pre-combat dialog.
 
> Watching the log during a siege on a colony, I observed something 
> interesting. Attacking with an artillery which had a pre-combat report 
> strength of 21 showed about a 4% chance of success in the log.

That does seem low.

> Attacking 
> with a dragoon (might have been a continental cavalry) with a pre-combat 
> report strength of 18 (less than the artillery anyway) showed about a 
> 12% chance of success in the log. This is counter-intuitive (apprently 
> stronger unit with 1/3 the chance of success).
 
> The other thing is that the chance of winning when attacking a 
> settlement or colony is unpleasantly low, in my opinion. In one 
> instance, I lost 75 artillery to beat a single king's regular defending 
> a colony.

When fighting the REF at a settlement, the owner of the settlement now
should get the "popular support" bonus, equal to the colony independence
support (reversed for the REF).  This may be broken, or you may
have been attacking a settlement with 0% support for liberty.  This would
make things harder.

Nevertheless, 75 artillery is a lot.

> While I understand statistics and know that a run of bad luck 
> of that magnitude is possible, this particular situation seems to be 
> consistent.

All the data is there in the log file, including as you have noticed, the
expected chance of winning.  If it is as low as 4% then 75 losses is
vaguely credible.  However you are right to raise this for investigation.
 
> On an only tangentially related note, it occurs to me that I really 
> should see if I can grok the code and contribute more substantially.

SimpleCombatModel.java is the main place to look.  However I fear it is
misnamed:-).  It does now contain more comments than when I first started
working on it though.

Cheers,
Mike Pope

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