Michael Weber
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I love Pandemic Legacy and am impressed by the success it has been displaying since its release - climbing up to rank 44 on BGG and rank 1 in the thematic game list. What confuses me, though is that while it is NUMBER ONE on the thematic game list, i.e. it outranks (in order of appearance on the thematic game list)

Star Wars Imperial Assault
War of the Ring second edition
Mage Knight
Robinson Crusoe
Dead of Winter
Eldritch Horror


on the overall ranking list ALL these games OUTRANK Pandemic Legacy. How is this possible?
 
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Bryan Thunkd
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Category rank calculations use a different formula than the overall rank formula. Primarily it has fewer dummy votes... so it takes fewer positive ratings to go up in the ranking. Popular new games will shoot up in the category ranking faster than they will in the general rating. As more people rate the game the difference will diminish.
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David J. Mortimer
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Geek ratings are calculated by allocating a number of average ratings (5s) based on the total number of votes in the voting pool. So a game with a few high votes will rank better in a sub category. The games ranked higher overall will have a higher number of actual ratings to offset the 5s that are given for the relevant geek rating.
 
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David J. Mortimer
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Thunkd wrote:
Category rank calculations use a different formula than the overall rank formula. Primarily it has fewer dummy votes... so it takes fewer positive ratings to go up in the ranking. Popular new games will shoot up in the category ranking faster than they will in the general rating. As more people rate the game the difference will diminish.
ninja
 
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Michael Weber
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morti wrote:
Geek ratings are calculated by allocating a number of average ratings (5s) based on the total number of votes in the voting pool. So a game with a few high votes will rank better in a sub category. The games ranked higher overall will have a higher number of actual ratings to offset the 5s that are given for the relevant geek rating.
I do understand the principle of geek ratings, but this not explain why they fare differently in the thematic rating
 
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Michael Weber
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Thunkd wrote:
Category rank calculations use a different formula than the overall rank formula. Primarily it has fewer dummy votes... so it takes fewer positive ratings to go up in the ranking. Popular new games will shoot up in the category ranking faster than they will in the general rating. As more people rate the game the difference will diminish.
Thanks for clarifying I do not understand the rational behind this, though - why does BGG have a different rating calculation system here?
 
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Bryan Thunkd
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Mixo wrote:
Thunkd wrote:
Category rank calculations use a different formula than the overall rank formula. Primarily it has fewer dummy votes... so it takes fewer positive ratings to go up in the ranking. Popular new games will shoot up in the category ranking faster than they will in the general rating. As more people rate the game the difference will diminish.
Thanks for clarifying I do not understand the rational behind this, though - why have a different rating calculation system here?
I can only answer the how, not the why.
 
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Pasi Ojala
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Get the Imperial Assault Campaign module for Vassal from http://www.vassalengine.org/wiki/Module:Star_Wars:_Imperial_Assault
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Mixo wrote:
why does BGG have a different rating calculation system here?
Possibly so that games could get a ranking in their subcategories faster.
 
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Russ Williams
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FWIW the BGG wiki page ratings has a few links to prior discussions of this question.
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Norman L.
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becuase its number 1 right now, not number 1 of all time.
 
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