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Main / Suggestions / Calculate the ELO score over the last 5 seasons only Search Forum
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Kanar
The Last Duck Dance

France   Kanar owns a supporter account

Joined: 2018-07-31/S30
Posts: 1954
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posted: 2021-01-03 16:10:43 (ID: 100155906)  Edits found: 1 Report Abuse
Following a discussion in the Elite forum. This proposition is not new, just want to formalize it once again, in the good forum, as Pete never ruled it out completely.

Then:

If it is possible,

If it is not too much of a hassle to code.

Make the Elo ranking calculation based on the last 5 seasons wins and losses record instead of the whole team career.

This would allow the moral impact after a win / loss to be more fair than today and still give an advantage to the recent top teams.

Last edited on 2021-01-03 17:44:55 by Kanar

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Dumbarajko
Dumbarajko Elephants

Serbia   Dumbarajko owns a supporter account

Joined: 2016-04-24/S21
Posts: 1073
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posted: 2021-01-03 17:13:35 (ID: 100155908) Report Abuse
Kanar wrote:
Following a discussion in the Elite forum. This proposition is not new, just want to formalize it once again, in the good forum, as Pete never ruled it out completely.

Then:

If it is possible,

If it is not too much of a hassle to code.

Make the Elo ranking calculation based on the last 5 years wins and losses record instead of the whole team career.

This would allow the moral impact after a win / loss to be more fair than today and still give an advantage to the recent top teams.


5 years or 5 seasons?

Because 5 years would be like 22 seasons. Still long period of time
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Meitheisman
posted: 2021-01-03 17:19:44 (ID: 100155909) Report Abuse
Haha, good point, I'm pretty sure Kanar meant 5 seasons and I support this proposal.
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Kanar
The Last Duck Dance

France   Kanar owns a supporter account

Joined: 2018-07-31/S30
Posts: 1954
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posted: 2021-01-03 17:45:32 (ID: 100155910) Report Abuse
Edited. Thanks for the notice. At least I got it right in the topic subject. ๐Ÿ˜…
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Dumbarajko
Dumbarajko Elephants

Serbia   Dumbarajko owns a supporter account

Joined: 2016-04-24/S21
Posts: 1073
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posted: 2021-01-03 19:23:36 (ID: 100155913) Report Abuse
Kanar wrote:
Edited. Thanks for the notice. At least I got it right in the topic subject. ๐Ÿ˜…


5 seasons is something that UEFA is doing for club and nation coefficents for Champions league. In 6th season points from 6 season away dissapeare and that 6th season goes in calculation.

You are welcome๐Ÿ˜‰
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jack6
Leverkusen Leopards

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Joined: 2011-09-05/S00
Posts: 7075
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posted: 2021-01-04 07:08:08 (ID: 100155923) Report Abuse
I would love to have both, lifetime and 5 seasons (or something).

But on the other side, elo does slowly react, but steady, if the team does not perform well over seasons. So, it's not all right looking at the numbers NOW, but the climbs of some teams (and the declines also) do show quite well where the teams heading.

So maybe better would be some sort +/- score on the season or last X gamedays.
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linkleo911
Rio Galaxy

Brazil

Joined: 2019-01-16/S32
Posts: 1353
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posted: 2021-01-04 17:11:57 (ID: 100155932)  Edits found: 1 Report Abuse
I have an idea that may work and make ELO more "accurate". Just keep it the way it is but adding temporary points for previous season achievements. At every season rollover those points are subtracted and new points are added for teams that achieved some goals.

A more ilustrative example:

Let's say that Dragons 1 Bowl winner is worth extra 100 ELO points.

If Rio Stars win this season, at the beggining of season 42 I will have my normal ELO rate (955 right now) plus 100 points, in a total of 1055. Then, after a probable relegation from Elite in season 42, I will lose those extra points (and the normal points from the losses) and will be a 900ish ELO points team again.

Edit: a better example: Willemstad Bridges as Elite champion would have earned 200 points (just an example). So they would have 1278 points right now and much closer to top ranked teams. If they do not win the league this season they lose those 200 points. If they keep the "Elite crown" then they keep those points and nothing is added.

Those points being added and subtracted have the goal to keep the ELO of a team close to the average. If we just add points for achievements we would probably see 2000 or even 3000+ teams in the future.

I hope I made my self clear...

Last edited on 2021-01-04 17:18:52 by linkleo911

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jack6
Leverkusen Leopards

Germany   jack6 owns a supporter account   jack6 is a Knight of RedZoneAction.org

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posted: 2021-01-05 06:52:57 (ID: 100155942) Report Abuse
The thing is, that would basically make ELO something not ELO.
ELO was created (as far as I know) to make some sense in strength compare between big groups of competitors.

You change would basically change the system, even only slightly.
The effect you suggested would be, that all Elite teams get that bonus, so gets elevated in the rankings by those 100 points.

Winning and losing inside the Elite would have almost no additional effect, winning and losing in Supercup would make a big effect.
A losing team inside Elite with 1 or 2 losses against Div1 teams in Supercup would drop massive in ELO, so when they go down to div1 again, the team would lose the bonus and then be valued less than likely be worth.

From my point of view this would exchange a not perfect system against an even less perfect system.
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linkleo911
Rio Galaxy

Brazil

Joined: 2019-01-16/S32
Posts: 1353
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posted: 2021-01-05 10:25:39 (ID: 100155944) Report Abuse
jack6 wrote:
The thing is, that would basically make ELO something not ELO.
ELO was created (as far as I know) to make some sense in strength compare between big groups of competitors.


Any change on the original ELO rating system makes it "not ELO". In my opinion even when you change the number of matches used to calculate it you are creating a new ELO-ish ranking. But I must agree my suggestion goes a bit too far.

jack6 wrote:
You change would basically change the system, even only slightly.
The effect you suggested would be, that all Elite teams get that bonus, so gets elevated in the rankings by those 100 points.


Correction: not all Elite teams would have increased rank. Possibly we would have 8 promoted teams (one of each region), the reigning Elite champion and the SC and CoC champions (supposing it will be an Elite team). A total of 11 teams. But we may apply other bonus to PO teams which may balance it.

jack6 wrote:
Winning and losing inside the Elite would have almost no additional effect, winning and losing in Supercup would make a big effect.
A losing team inside Elite with 1 or 2 losses against Div1 teams in Supercup would drop massive in ELO, so when they go down to div1 again, the team would lose the bonus and then be valued less than likely be worth.


Winning and losing on SC to a D1 team drops the ELO a lot right now and would keep doing it within this idea. Inside Elite we may see smaller point gaps between teams but also some "inversions" in rank positions (as pointed before some teams under rebuilding are not at the best moment but are still high on rank so the bonus may "correct" it)

jack6 wrote:
From my point of view this would exchange a not perfect system against an even less perfect system.


Okay.
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RonaldVennegoor
posted: 2021-01-06 16:22:19 (ID: 100155992) Report Abuse
I support the original proposal. I would even suggest 3 seasons. 5 seasons is so long in a teams life, especially in RZA.

ELO explainer from fivethirthyeight.com
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