Sunday, 6 October 2019

Rosenheim Campaign – Day 7


Campaign Map on 9 October 1813
2nd Austrian and 10th Bavarian corps both reorganise and resupply
Both are non-operational after the battle of Walsenburg

Oudinot is still reorganising his depot and supply system.  
All corps have been brought up to 2-3 days supplies
But the depots at both Wassenburg and Rosenheim are empty

Schwartzenberg can delay his counter attack on Rosenheim no longer
Even though he is outnumbered he orders an attack on the city

Battle of Rosenheim

Table at start of battle
It was immediately obvious to Schwarzenberg that he would have to attack in the centre, between the woods and the farm.   However to do so would require some redeployment.

4th corps, on his left, was weaker than 12th Baden corps which opposed them.   In addition they would have to advance through the woods to reach them.

1st corps, in the centre, was also weaker than 11th Bavarian corps opposite them.

3rd corps, on his right, was the strongest, but was opposite the strongly held city of Rosenheim.
Table end of move 3
Schwartzenberg has created a new reserve by taking command of three infantry brigades from 3rd corps, and the cavalry brigades of 1st and 4th corps.   Together with 1st corps this will be the attacking force.

He has ordered 4th corps to hold the woods on the left, and 3rd corps those on the right.   All four corps artillery are deployed to support the main attack
Table end of move 10        
The Austrian concentration has won the day.   
The two flanks are held with minimum casualties
In the centre five Bavarian brigades are in rout

Campaign Notes
It is only recently that we have amended our wargame rules to allow the CinC to create a new corps by taking personal command of infantry, cavalry or artillery from subordinate corps.
There is the obvious advantage that he can concentrate his main strength at the point of attack.   However there is also the disadvantage that he cannot exercise as much control over the rest of his army.   He must remain within 8” of all elements of his new corps to maintain command.  This means that he cannot move to issue orders or support another corps.   He can send new orders by ADC, but this usually takes two to three moves to be effective.

There is also the obvious disadvantage that the corps he has taken brigades from are much weaker, and the enemy commander can take advantage by attacking one or more of them.

But in this battle it worked well.   The terrain provided good defensive positions for his weakened corps.   Because he was in the centre he could quickly react to an enemy counter attack on one of his flanks (corps commanders cannot do so).

In this battle the Bavarians still had 4 infantry brigades, one cavalry brigade and one corps artillery in the centre.   The Austrians had concentrated 5 infantry brigades and two cavalry brigades to attack.  But in addition all three corps artillery were positioned to support the attack.

The result was a much needed Austrian victory.

6 comments:

  1. Well that shakes things up! And 10th Corps now looks a little isolated up there, asuming Oudinot retreats back across the river.

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  2. The Austrian are back (baby)! So the campaign goes on!

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  3. Hi Yuri

    Oudinot could keep 7th corps in Rosenheim, but has to retreat 11th and 12th corps. This is to reestablish the one square distance between all troops not in contact. But that would leave the 7th corps greatly outnumbered and almost certain to be forced to surrender.

    So it looks like 10th corps will indeed to left isolated. However they have suffered less casualties than 2nd Austrian corps, and they hold a strong defensive position on the left bank of the river.

    regards

    Paul

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  4. Hi James

    A serious setback for Oudinot, and it certainly opens the campaign up again.

    However the Austrians now face a difficult decision. They can hold the right bank of the river Isar, including Rosenheim. But that will allow the Bavarians to recover from their defeat and will result in a draw for the campaign.

    Schwartzenberg is in a strong temporary strong position and will be tempted to follow up his decisive victory.

    Not too hard to guess what option he will take!

    regards

    Paul

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  5. What a great campaign, with the Frence being unable to exploit their initial advantage and the Austrian proving much more robust than one might have expected,

    I has been a very interesting campaign to follow.

    All the best,

    Bob

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  6. Hi Bob

    Thanks for your comment. It is always nice to hear from you.

    Glad that you are enjoying the campaign, much as we are

    The river makes a huge difference to the overall campaign.
    Because of the bend it is reasonably easy to cross and force the enemy to retreat
    But you then become very vulnerable, particularly if you have to fight off a counter attack.

    Supplies are also a problem, and it takes a couple of moves to recover from a battle, even one that you win, and to establish a new supply depot.

    We now enter the really intereting part of the campaign. Both sides have suffered considerable battle casualties. Many have been replaced, but all corps have brigades with 10% casualties. This makes them very brittle when forced to take a morale test. And just one hit can cause a rout, and subsequent loss of morale in other brigades within supporting distance.

    best regards

    Paul

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