The espionage report contains the most important information such as buildings, research, defence, ships and resources.

How to read the table ?

You have sent 6 spy probes and can now see your fleet and defence.

Everything appears in the report from the top of the left column.
So first resources (you can always see) then fleet then defence then buildings and finally research.
The line you see at the bottom is the most interesting one for you to look at.

Now look in the Defence row and select the next smaller number (in this case 5).
Now look at the top of the same column (in this case -2).
Now you know that your opponent's espionage level is two levels higher.
If you now want to see the research, you have to go down to the research row in the same column and now you know that you have to send at least 9 probes.

Here is the exact formula as it is integrated on the server

$techDifference = abs($senderSpyTech - $targetSpyTech);
$MinAmount = ($senderSpyTech > $targetSpyTech ? -1 : 1) * pow($techDifference * SPY_DIFFENCE_FACTOR, 2);
$SpyFleet = $fleetAmount >= $MinAmount;
$SpyDef = $fleetAmount >= $MinAmount + 1 * SPY_VIEW_FACTOR;
$SpyBuild = $fleetAmount >= $MinAmount + 3 * SPY_VIEW_FACTOR;
$SpyTechno = $fleetAmount >= $MinAmount + 5 * SPY_VIEW_FACTOR;

Explanation of the formula [13:55] For all those who are not so familiar with the code line, I will translate this here.

Line 1: Sender spy level - receiver spy level (in the example, a 2 comes out here)

Line 2: The transmitter spy level is greater than the receiver spy level ( yes = ‘-1’ and no = ‘1’ return as value ) * the difference² In the example here, the result is a 4 ( 1*2²=4 ).

Line 3 Show fleet if the number of spy probes is greater than minamount ( in our case 6 is greater than 4 ) → fleet is shown

Line 4 Show defence if the number of spy probes is greater than minamount + 1 ( in our case 6 is greater than 5 ) → defence is shown

Line 5 Show buildings if the number of spy probes is greater than minamount + 3 ( in our case 6 is not greater than 7 ) → buildings are not shown

Line 6 Show researches if the number of spy probes is greater than minamount + 5 ( in our case 6 is not greater than 9 ) → researches are not shown