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Si Vis Pacem

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Based on LFG's "Broadside and Salvo", Si Vis Pacem is a set of fast play naval wargaming rules designed to enable the largest battles of World War One, including Jutland, to be played and finished in a day. 

Si Vis Pacem, Para Bellum (“If you desire peace, prepare for war”) was the motto of the Royal Navy at the time of the Great War

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Customer avatar
GEORGE L September 08, 2019 9:26 pm UTC
PURCHASER
Hi Stuart, Just downloaded the revised edition and have a couple of queries.
At 0605, on the roll referred to in the last sentence, can I take it that a D6 is rolled with a roll of 1 meaning the message does not get through and a roll of 2 means it is garbled? If the message does not get through, is the sender made aware that the message did not get through to the fleet flagship and is therefore prevented from trying to send it again?
At 1410, on line 4, there is reference to a hex: should this be row, rather than hex?
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Stuart M September 09, 2019 5:49 pm UTC
George,
1. Yes, rereading 0605 it could be clearer. Here is what it should say:
"On this turn roll a further d6, on a 1 the message does not get through and on a 2 the message is garbled. Because it was normal practice to confirm if a message had been received, the message sender will be aware of this and can resend the message."
2. The 'hex' is a missed error from a play testing version that had hexes instead of actual versions. The revised text should say:
"The remaining vessels may choose to try and go around the minefield, diverting direction by at least 5nm (although the alternative route may still be mined), or continue straight on."

A revised version will include these in due course.

Regards,

Stuart Machin
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GEORGE L September 09, 2019 6:06 pm UTC
PURCHASER
Stuart, many thanks for the most helpful reply. So, is there any actual difference between a message not going through at all and one that is garbled? In both cases, the message ends up being resent. Effectively there is a 1 in 3 chance of the message not being received and having to be resent.

George
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Stuart M September 09, 2019 6:38 pm UTC
...See more
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GEORGE L September 09, 2019 8:27 pm UTC
PURCHASER
Stuart, again many thanks for the most helpful reply. Perhaps this could be included in the next revision of the rules as it clarifies the matter?
If there is no referee available, an idea might be for the sender to write out several messages of varying degrees of accuracy and one of these would be selected at random as the one which goes through as the garbled message (of course the sender will not be made aware of which of the messages it is).
Any idea of when a revised version will be posted as I am keen to get a final version printed off and bound?
George
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Stuart M September 11, 2019 8:24 pm UTC
George,
I will include some extra guidance on garbled communications
As to the revised version, I'm not the publisher, but I will see what I can do.
Regards,
Stuart
Customer avatar
Paul M February 03, 2019 5:51 am UTC
PURCHASER
Just bought the rules, had a question:
Are the tactical factors in table 9.3 consisting of "-1 to shooting vessel if it is damaged, or it has been straddled this turn" and "-2 to shooting vessel if it is heavily damaged" cumulative with the attack factor penalties in table 9.4, or are they redundant entries in the rules? In other words, if a firing ship is heavily damaged, does it suffer a -2 or a -4 for being so?
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Customer avatar
Stuart M February 05, 2019 7:40 pm UTC
Paul,
Thank you for buying Si Vis Pacem.
Table 9.3 shows all the factors that are taken into account in shooting. The results of shooting are shown in paragraphs 0905 to 0908, with Table 9.4 showing the effects of each damage level. They are not cumulative with the results of Table 9.3.
Regards,
Stuart Machin
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Paul M February 11, 2019 4:51 am UTC
PURCHASER
Thanks Stuart, I just need a little more clarification, this one about destroyers/flotilla ships. When the rules say 'DD division' such as in paragraph 1003, are they referring to a single DD base, or to a flotilla of 2-4 bases? Do you shoot at individual DD bases, or at the flotilla as a whole, and do individual DD bases become 'damaged', or does the flotilla as a whole become 'damaged'? Do you roll a torpedo attack once for each DD base, or once for the entire flotilla?
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Stuart M February 12, 2019 9:47 pm UTC
Paul,
The terms DD, DD division, DD base and DD stand are all interchangeable. In 1001 where it discusses shooting at DD, at 1003 where it refers to DD divisions taking damage and in 1101 where it refers to torpedo firing by DD, each individual stand inflicts damage, takes damage and fires torpedoes. If shooting at long range with multiple DD (1211), then there will only be one attack dice roll per group of destroyers firing. The only time flotillas are considered as a whole is for order of shooting (as per 0705 or 0706). Even for morale (1308/1309), each DD base is assessed individually.
Regards,
Stuart Machin
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Paul M April 04, 2019 2:16 am UTC
PURCHASER
Hi Stuart, thanks again. One more clarifying question: when does a DD withdraw move happen? Does it happen immediately upon the 'withdraw' result from shooting, or does it happen in the DD's next normal move? I've assumed based on the fact that it's pretty much an entire full-speed move that it happens in the DD's next normal move phase, but realized that might not be the correct interpretation.
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Stuart M April 04, 2019 6:55 pm UTC
As you say "Withdraw" is a result of combat. Hence, it is applied immediately during combat. The unit is free to move as it wishes in the next turn. In reality it reflects the DD unit being beaten off before it can approach the firer.

Stuart Machin
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Charles H June 25, 2018 9:09 pm UTC
PURCHASER
Do light guns use all of the modifiers that normal gun fire uses?
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Stuart M June 26, 2018 6:00 pm UTC
Yes. Indeed there are factors that only apply to light guns. For example in Table 9.2, there is an explicit reference to light guns shooting at medium range getting a -1 factor and in Table 9.3 it refers to shooting at DD at night.

Stuart Machin
Customer avatar
Charles H June 21, 2018 1:36 pm UTC
PURCHASER
Please provide an example for using the -1 modifier "If not (S) or (I) shooting and scoring more than (S) target"?

Ship "A" is Indefatigable BC Attack +3 shooting at Ship "B" Moltke BC Defence +3S: To get the modifier what must happen?
Customer avatar
Charles H June 21, 2018 1:26 pm UTC
PURCHASER
What is the Centerline? Is it Port to Starboard or Forward to Aft?

Is the -1 modifier for shooting at a vessel constantly -1 or is it cumulative, -1 for second shooter, -2 for third shooter, and -3 for the fourth shooter?

Do all Light Guns have the same penetration or do the 6” light guns have a better penetration? Do light guns use all of the modifiers that normal fire uses? When turret damage from Special Damage reduce Light Gun fire as well as Main gun fire.

Does Flooding damage to a heavy damage ship sink the ship?

How many targets may a BC fire at? One DD & one Other, or Port side one DD and one other & Starboard side one DD and one Other? Its either two targets (one DD & one Other) or four target (Two DD & Two other)

Torpedoes,
1102 --- Roll for damage as if the ship has been hit by a +5 --- attack with no range modifiers.
Damage effects are the same as for gunnery." Exactly how is this resolved? An...See more
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Customer avatar
Stuart M June 21, 2018 7:30 pm UTC
Charles,

Thank you very much for the questions.

What is the Centerline? Is it Port to Starboard or Forward to Aft?

The centreline is from for’d to aft.

Is the -1 modifier for shooting at a vessel constantly -1 or is it cumulative, -1 for second shooter, -2 for third shooter, and -3 for the fourth shooter?

It is a single modifier regardless of the number of ships shooting after the second.

Do all Light Guns have the same penetration or do the 6” light guns have a better penetration? Do light guns use all of the modifiers that normal fire uses? When turret damage from Special Damage reduce Light Gun fire as well as Main gun fire.

Light guns are only used against DDs, which have no armour so do not need to worry about penetration.
Turret damage from special damage does not affect Light Guns.

Does Flooding damage to a heavy damage ship sink the ship?

Yes

How many targets may...See more
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Customer avatar
Jonathan H June 22, 2018 11:33 am UTC
PURCHASER
In example 2: 8 v 4 doesn't inflict heavy damage because the higher score is equal to x2 the lower?
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Customer avatar
Stuart M June 22, 2018 12:18 pm UTC
Jonathan,

Thank you for spotting the deliberate error :-)

Er, hum:
Example 2: The British rolls 6 and the German roles 1. Normally this would be 9 v 4 for heavy damage, however, the (S) benefit makes it 8 v 4 or only a damage result (there is no light damage either - note to self: don't try and answer rules queries whilst listening to England thumping Australia at the cricket :-) ).

Stuart Machin
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This title was added to our catalog on May 31, 2018.