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The formula for morale does not match my in-game testing results.
I started a new game of 1939 Storm over Europe, with all options defaulted, playing the Axis.
The German XXVII Corps starts with a Strength of 8/10, Supply of 7, and Morale of 70%.
I then advanced 4 turns and observed the morale of XXVII Corps (Strength and Supply constant): 58%, 63%, 66%, 67%
The formula for morale printed in the PDF manual New Morale = Morale*75%+(Strength*10-Morale*75%)*(Supply/10*Morale/100).
So the formula predicts: 66%, 64%, 62%, 61%, and if you keep iterating in the limit morale stabilizes at 59%.

Is the manual wrong or am I missing something?

I am running v1.06. By the way I have the hardcover manual, but the formula on p85 is incorrect, and I noticed the PDF was updated.

Regards,
Nethog

I can't find the thread where it was discussed, but as I recall the formula in the current manual is either wrong, or it was changed.

Hi Nethog,

The morale formula has been updated (unfortuante typo in the manual) and the version in the PDF file should be the correct one.

Hubert

Hubert, as I pointed out in my post, I am using the PDF version, and the in-game test results do not match the formula in the PDF.
Regards,
Nethog

Ni Nethog,

I've double checked and it looks like the formulas are correct, but there are additional factors that may apply each time it is recalculated which may vary the final results.

For example, Germany can receive a unit morale bonus if it has Infantry Warfare Level-1 (which it starts the game with), details on this bonus are noted on page 48 of the English Manual, and the National Morale of a country can have an effect as well, also noted on page 87 of the English Manual.

Depending on the German action in Poland during your 4 turns, and if National Morale went up or down, it would need to be applied to each recalculation per turn.

However, if let's say you just ended the turns, and didn't move any Axis units and NM went unchanged and remained at 100%, the way the individual unit morale bonus is applied, is that it is first removed from the unit prior to re-calculation, and then added back in after unit morale calculation. This is only to avoid an ever growing cumulative effect if we simply re-applied at the end of each re-calculation.

So with your numbers above, a unit's morale would first be reset to 60% as German units receive a 10% bonus, the formula applied, and then the 10% bonus reapplied.

As you noticed the unit morale would normally stabilize at around 59%, but with the 10% bonus the unit morale should then stabilize around 69%, i.e. 10% higher.

Hope this helps,
Hubert

Hubert:
What you stated makes sense - thanks for taking the time to investigate this.
Regards,
Nethog

My pleasure [:)]