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Admiralty Trilogy 2012 Standard Damage Point SummaryClick to magnify
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Admiralty Trilogy 2012 Standard Damage Point Summary


         Many of us are familiar with the story of USS Laffey (DD-724),  a Sumner-class destroyer that withstood multiple kamikaze attacks during the battle of Okinawa and kept on fighting. By rights, and in our game Command at Sea, she would have been sunk.

         A more recent example is the SINKEX of the decommissioned USS Buchanan (DDG-14), which we covered in the article “Proving the Rule” in issue #20 of The Naval SITREP (April 2001). According to the damage point formula then in use, she should have sunk. She didn’t.

         Smaller ships could take more damage than our game allowed. We acknowledged that we didn’t understand why, and promised to keep working on it.

         And we did. We refined the mathematical model used to calculate damage points for naval vessels and published the new formula in “Smoothing the Curve,” which appeared in issue #31 (October 2006). It still didn’t answer the small-ship issue, but it was better.

         In the April 2012 issue of The Naval SITREP (issue #42), Chris Carlson presented a new formula. He hadn’t been looking for one. He was researching the “ship life equation,” a naval concept describing how long a ship could resist damage. In the course of that work, he discovered a way to more correctly describe the damage a ship can suffer. It increases the damage points a ships has, with small ships getting more of an increase than larger vessels.

         The result is that WW II destroyers won’t simply evaporate from a single turn of heavy cruiser fire (it will still make a respectable divot). Small craft (Size classes E, F, and G) now have more of a chance of not dying instantly.

         Case studies (including USS Buchanan) validate the new method. It’s a tremendous accomplishment for Chris, and also a huge problem.

         All the Admiralty Trilogy games and supplements published by Clash of Arms for all three games (FG&DN, CaS, and Harpoon) have ship data annexes using the 2006 formula. If we immediately start using the 2012 formula in The Naval SITREP and the games and supplements, it would create tremendous confusion.

         For example, in 2012 we were in the middle of publishing the Fleet series, which provided statistics for all the WW II ships in CaS in 4th edition standard. What if Mediterranean Fleets (2013) used different damage formulas than Home Fleet (2009)?

         After some discussion, we decided to keep on using the 2006 formula (“2006 Standard”) until the Fleet series was completed. Arctic Fleets, the last supplement, will be published soon.

         Shattered Armada, published this year, will be the first supplement published using the 2012 Standard for damage points, because all the naval vessels needed for the scenarios are included in Annex A of that supplement. Player who compare the British or German ships in Shattered Armada with the listings in Home Fleet or Gruppe Nord will immediately see the difference.

         For the ships that have already been published, we have created this damage point summary. It lists all the ships ever published in the Admiralty Trilogy - their displacements, any damage modifiers, and their new damage point breakdowns using the 2012 Standard formula.  

         There are no new rules associated with this change, just new numbers, which is why we’re taking the time to tell you about the changes. As far as the players are concerned, they’re just different numbers. But we want the players to see what’s going on “behind the curtain,” so they’ll understand the reasons for this major change.

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File Last Updated:
February 19, 2015
This title was added to our catalog on June 25, 2014.