I dont understand ELO points i guess?

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Antonfm
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Joined: 19 September 2012, 19:27

I dont understand ELO points i guess?

Post by Antonfm »

https://boardgamearena.com/table?table=428606608

why does the second place get a lot more Elo points here? as good as same starting ELO points as the number one. ?

Thanks
Ceaseless
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Joined: 12 November 2022, 17:06

Re: I dont understand ELO points i guess?

Post by Ceaseless »

You gain and lose more points when you've played less. So someone who has only played a couple of games will have a larger rating change than someone who has played a couple dozen, or hundred, etc.
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Meeplelowda
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Re: I dont understand ELO points i guess?

Post by Meeplelowda »

Antonfm wrote: 28 November 2023, 08:30 https://boardgamearena.com/table?table=428606608

why does the second place get a lot more Elo points here? as good as same starting ELO points as the number one. ?

Thanks
This site has a FAQ that is linked to at the bottom of every page. That FAQ has a section about ELO calculation. That section about ELO calculation describes the K factor:
K, the 'elasticity factor,' has a value that depends on the number of games you have played: 60 for your first 10 games, 40 between your 11th and 20th games, 20 for your 21st onwards.
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Antonfm
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Re: I dont understand ELO points i guess?

Post by Antonfm »

thanks :)
pjt33
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Re: I dont understand ELO points i guess?

Post by pjt33 »

Meeplelowda wrote: 28 November 2023, 18:21 This site has a FAQ that is linked to at the bottom of every page. That FAQ has a section about ELO calculation. That section about ELO calculation describes the K factor:
K, the 'elasticity factor,' has a value that depends on the number of games you have played: 60 for your first 10 games, 40 between your 11th and 20th games, 20 for your 21st onwards.
I think that's out of date, though, because the third place finisher in the linked game had K-factor 13.
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euklid314
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Re: I dont understand ELO points i guess?

Post by euklid314 »

pjt33 wrote: 29 November 2023, 11:41
Meeplelowda wrote: 28 November 2023, 18:21 This site has a FAQ that is linked to at the bottom of every page. That FAQ has a section about ELO calculation. That section about ELO calculation describes the K factor:
K, the 'elasticity factor,' has a value that depends on the number of games you have played: 60 for your first 10 games, 40 between your 11th and 20th games, 20 for your 21st onwards.
I think that's out of date, though, because the third place finisher in the linked game had K-factor 13.
Further down in the FAQ it is written that the K-factor is further adjusted in multiplayer games. What you cited is valid only for 2-player games...
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ufm
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Re: I dont understand ELO points i guess?

Post by ufm »

euklid314 wrote: 29 November 2023, 15:00 Further down in the FAQ it is written that the K-factor is further adjusted in multiplayer games. What you cited is valid only for 2-player games...
Multiplayer K factor adjustment applies after K-factor boost. So, K-factor boost is valid in all games.
In this example: normal K factor (12.?) * 3 = boosted K-factor (37.?)
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