@Cernel I really think you are getting into a completely different issue at this point. Having alternative retreat rules would be a good feature request to discuss and I think most people agree the standard A&A ones leave a lot to be desired especially around your case #3.

Testing Forum poster Test summary from TripleA, engine version: 1.9, time: 2:48:31 PM Savegame

@LovePlayingAAA Good catch, it appears we missed a few updates on some of the HeavyDestroyers and will fix that in the next minor version. ImprovedDestroyers and AdvancedDestroyer techs still exist and have been updated to make different improvements for destroyers now. This post outlines the sub/destroyer changes: https://forums.triplea-game.org/topic/493/total-world-war-december-1941-beta-2-8-0-5/392 (there were a few adjustments to that original vision). The notes haven't been updated yet for 3.0 but are in-progress and hopefully be added shortly. Please use the new TWW 3.0 for discussing the new version: https://forums.triplea-game.org/topic/1181/total-world-war-december-1941-3-0-0-0-now-available

@Schulz There is a territory in Russia. If Russia holds it, Russia gets 6. If Germany,Italy, or another enemy take it, they only earn 3. You have two ways The territory's production is set to 6. You create a national objective for all enemy nations that generates -3 PUs if they control this territory. The territory's production is set to 3. Russia has a national objective that gives an extra 3 PUs if it holds that territory. Look at the Pact of Steel 2 XML to see examples and how to make national objectives.