Espionage: reveal all armies

So it is common practice to install 4-5 spies in an empty province and select them on militairt espionage, there is a very good chance it will reveal all armies of the targetted country. In the current game I had 3 times 5 spies in empty provinces, but in no case it provided me reveal all armies. It has been changed recently?

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Military Espionage is against the army, photography reveals armies, and 1 per every few provinces will do.

Gen. Smit wrote:

So it is common practice to install 4-5 spies in an empty province and select them on militairt espionage, there is a very good chance it will reveal all armies of the targetted country. In the current game I had 3 times 5 spies in empty provinces, but in no case it provided me reveal all armies. It has been changed recently?
I still had good experiences with this very recently; chances seem to be consistent with how they always were. Of course it is possible that you had a fluke case of extremely bad luck?

Assume say that 5 spies give you 70% chance, from the binomial distribution there is a 2.7% chance of not getting it. Like flipping an unfair coin 3 times and getting all tails.

The wiki says a single spy has a 50/50 chance of success. It also says additional spies will increase the chance of success, but no exact numbers are given regarding the benefit of each additional spy. I would love to know the actual chances, but from my experience each additional spy probably provides less than 10% extra chance of success. I've put as many of seven in a country and have not gotten the reveal. Four or five is my usual, depending on how badly I need it and my resources.

6thDragon wrote:

The wiki says a single spy has a 50/50 chance of success
If 1 spy is really 50% it might be better to put 1 spy in 7 provinces instead of 7 in one province. For arguments sake, say that 7 in one province gives you 90% chance. But if you put 1 spy in 7 provinces, and assuming 50% for each individual spy, the chance of not getting the intel would be 0.78% or 99.2% chance of getting intel.

This is clever. What if you need to invade a specific target, not a random target :)

I think he means provinces, not countries. Being Americans, 6th and DxC still don't really understand the concept of provi(de)nces. Maybe we should rename them to counties or something? ;)

Ha, fair enough. I do confuse providence and province often enough. I’m probably better at keeping their, they’re, and there straight. Sad really.

I do not know the exact statistics, but before it happened to me a few times with 4 spies that I didnt get information, three is even less chance, 5 spies do like 80-90%? sure reveal all army status, sometimes you lose a spy in the proces, even without counterespionage. I cannot do the statistics without good amount of n and not always knowing whether there is a building in there or not. In the late game my core has at least one building in each province (industry or recruitment), but outside of the core I dont build, safe for army units on strategic places.

Il try again another place

K.Rokossovski wrote:

I think he means provinces
Yeah, lol. Sleep deprivation, not Americanism-ism.

Finally a fifth time it worked again, I was feeling very unlucky, topic solved^^

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