Unrestricted Submarine Warfare

  • Customizer

    That sounds more like it.

    However, one will experiment, hence my latest map has a whole rash of sub targets.

    Axis&Allies1914FullMapLarryFlash.PNG


  • @Flashman:

    That sounds more like it.

    However, one will experiment, hence my latest map has a whole rash of sub targets.

    At this rate, you’re going to have 1,914 maps for the game before it’s even released.


  • Flash….perhaps when IL jabs at you that your maps have too many emblems and logos and fluff on them…he may be on to something.

    There is no room for pieces on that board!


  • Seazone 13 to seazone 16a: You think he’ll give us a symbol too?
    Seazone 16a: Shhh… I’m already designated as “a”. What the hell does that mean? When will it end
    Seazone 16b: Calm down guys, Larry will save us

  • Customizer

    I have just two maps, continually updated.

    One is the closest I can get to the official map with current information.

    T’other is my own variation on it given my own preferences.

    The icons are a simple visual reference to areas containing mines, sub zones and so on; they aren’t always things I would place on the actual board, or at least not as prominently.


  • Looks  good to me!  Nice work!


  • Why not use a rule similar to the old National Advantage ‘U-Boat Interdiction’ from Revised, that rule stated that for each German sub on the board remove 1IPC from both the US and the UK, forget the roll. Why not for each German sub between London and New York (shortest route), detract 1 from each?


  • Because by some twist of fate both those powers could be reduced to 0 IPCs if Germany builds 20 subs. However outlandish that seems.


  • Couldnt that happen with the given rules? 60 subs in those 3 zones should just about do it…

  • Customizer

    Maybe count all naval base SZs as targets, the money lost by the owning player. Mid-ocean SZs count for everyone. This would allow targeting of a particular enemy power.

    A big question here: are submarines vulnerable to mines, or do they pass under them?

    Certainly some subs were destroyed by mines, but generally they were not as restricted by them as surface ships.

    Larry simply says “all ships” ref. Imperial Germany, but it’s not clear if this includes subs or not.

    Certainly, regardless of mines and enemy ships the German sub fleet operated successfully until the Allied convoy system was introduced, drastically reducing shipping losses.

    It would reflect the relative obsolescence of surface ships, and effectiveness of subs, rather elegantly if subs were immune or less vulnerable to mines.

  • Customizer

    OK, latest map mod, back to the official map* with a few adjustments:

    NB and mines added to Canadian SZ.

    There are now 4 USW zones, each one representing vital Allied shipping routes.

    The idea here is that subs can target on any turn:

    1. Enemy “home” SZs (marked with mines) which do damage to the economy of the owning player only;

    2. USW zones which add damage to all Allies collecting income.

    I see no reason not to reverse this and allow Allied subs to target CP home SZs.

    Might possibly add CP USW zones, but this is more dangerous to balance considering likely Allied naval advantages.

    Germany declaring USW should double the damage done.

    *Still unsure about the borders of Denmark/Kiel/Berlin/SZ 11. Mexico & Texas are not on the official board.

    Axis&Allies1914FullMapLarryH4USW.PNG

  • Customizer

    Just a thought on destroyers as a “tech”; yes, I know everyone had them all along, but if they are introduced about half-way though the game with anti-sub abilities they could swing the balance back away from subs, especially if my suggestion of subs being immune to mines is in effect.

    To an extent this might also represent the Allies starting to use convoys, something which proved highly effective.


  • oztea’s suggestion seems like a good start - But I also feel that declaring Unrestricted submarine warfare shouldn’t automatically bring the US into the game either. I’ve seen various tracks proposed on the US entry, and USW should certainly influence that, but not automatically cause the US to declare war, since it was just over two months between Germany declaring USW a second time in February 1917 and the US entry in April (also thanks to The Note). Maybe this could be tweaked slightly so that:

    1. Roll of 1 or 2 does IPC damage to UK, roll again for amount:
        a. 1-3: 1 IPC
        b. 4-6: 2 IPCs (could also do 1-2:1 ; 3-4: 2 ; 5-6: 3 IPC, but one sub being responsible for 3 IPCs of damage seems a bit much)

    2. Unrestricted submarine warfare: Roll of 1,2, or 3 does IPC damage to UK AND US
        a. 1-3: 1 IPC (same as above)
        b. " (same as above)
        c. US only receives 1 IPC damage per hit, while not at war. Once the US enters the war, roll for IPC damage same as UK


  • The US should roll a die on turn 3.
    If it rolls a 1 it goes to war.

    If it rolls the current turn number, it goes to war. However.
    -1 to your roll if USW has been declared
    -1 to your roll if the CP have taken an allied capital
    -2 after turn 4


  • @Squadron:

    oztea’s suggestion seems like a good start - But I also feel that declaring Unrestricted submarine warfare shouldn’t automatically bring the US into the game either. I’ve seen various tracks proposed on the US entry, and USW should certainly influence that, but not automatically cause the US to declare war, since it was just over two months between Germany declaring USW a second time in February 1917 and the US entry in April (also thanks to The Note). Maybe this could be tweaked slightly so that:

    1. Roll of 1 or 2 does IPC damage to UK, roll again for amount:
         a. 1-3: 1 IPC
         b. 4-6: 2 IPCs (could also do 1-2:1 ; 3-4: 2 ; 5-6: 3 IPC, but one sub being responsible for 3 IPCs of damage seems a bit much)

    2. Unrestricted submarine warfare: Roll of 1,2, or 3 does IPC damage to UK AND US
         a. 1-3: 1 IPC (same as above)
         b. " (same as above)
         c. US only receives 1 IPC damage per hit, while not at war. Once the US enters the war, roll for IPC damage same as UK

    My suggestion:

    When it comes to Incomephase of UK/US, the Germany Player gets for every Sub that is located in the SZ 2,7,8 one dice.
    He throws them all together and the highest result will be the IPCs taken away from UK/US.
    The damage that results from USW can be max 6 (12 for UK and US together) IPC per turn, which is a good simulation I think.


  • @Auztria:

    The Allies can easily overcome the loss of a few IPCs. After all, at start, Germany’s only got the four submarines, so that’s a maximum of 4 IPCs lost- if all the submarines hit. It would have been much better to guarantee a hit for each submarine and roll a d6 for each sub to determine how many IPCs are lost. That could be actual economic strangulation as opposed to a minor inconvenience, which is what USW is under the current rules. No German player with the slightest amount of strategic sense would ever declare USW at least until the United States are at war already.

    I entirely agree!

  • Customizer

    Except that you can do it on turn 3, since the Americans can only declare war when (and if) they lose income at the end of their turn, so they can do nothing about it until the start of turn 4, when they declare war anyway.


  • @oztea:

    Because by some twist of fate both those powers could be reduced to 0 IPCs if Germany builds 20 subs. However outlandish that seems.

    Yes, but you’d first need to get them into the applicable sea zones.


  • Declaring USW does not automatically cause the US to enter the war!

    Reread the rules;  it is only when the USA loses an IPC from USW does the USA enter the war.

    So the CP may declare USW at any time,

    but just attack everyone else not the USA!

  • Customizer

    There’s no point. They cannot use USW to attack UK income without doing the same to the USA.

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