As all my "formula-posts" have been recently bumped, I was approached to put
them all into one post so it could be stikied... here it is.

These guides contain advanced information. If you are just starting to play the
game please go ahead and read Obst's guides on www.nf-guides.com. That
webpage gives you all the information you need to start with. If you have done that
and
are still curious about some details, go read ahead.

Since it has quite some information, I divided it into several parts, that are posted as
replies by myself.

0) Ability - how they are calculated / base stats
1) BO's Potential - guideline length / marking distance
2) Accuracy - where's the cap, how is it calculated
3) Reload - where's the cap
4) Torpedo - reload cap
5) AAW - chance of shooting down planes at horizontal and vertical distances with
auto fire
6) Repair - Repairrate and Burnrate
7) Restore - SD
8) Engine
. A - General
. B - Overheat time
. C - Base speed
. D - natural overheat speed
. E - overheat speed with crew
9) Aircraft - not yet posted
10) Fighter - not yet posted
11) Bomber - not yet posted
12) Special Sailors
. A - Sonarmen

If you have questions or remarks to any of those posts - please send a PM to me.
Also if you think that you have found a mistake, please contact me directly as it most
probably will just be a misunderstanding and I don't want an obsolete discussion in
this post as it just blows it up and might scare ppl away.
I have not included all "proof" in this post - if you are looking for some numbers how
I came up with the formulas, feel free to look for my old posts from between 2005
and now,
and you will find more information in there.