Algorithm of 400 Clan Ranking (Sep 30, 2011)

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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Sat Jul 02, 2011 4:38 am

July Update

Jigger1986 has sent me an update for all wars concluding in June. I've ran my script and updated the OP with the new results. I didn't feel like updating the ratings basis or accuracy tables at this time - will do so next update, as I think there will be more upheaval then as well.

Btw, I am still using the same formula as last month. I am considering experimenting with weighting peer-to-peer challenges more than lopsided challenges, but this will wait until I have more free time.

Big Eight

I notice that, based on this data, there is a top 8 cluster of clans that have over 1200 points - in order, TOFU, KoRT, THOTA, EMP, AOC, IA, TSM, LOW. Their scores cluster together (dropoff after 8th place) as well as their best recent performance - these Big Eight are pretty much the only clans that have been able to beat another Big Eight clan within the past year.

The exact details of this top cluster will change after certain wars finish, but it will be interesting to see how the results cluster after the next update.

Data

Feel free to check out the data file I'm using and please point out any error if you find one.

https://docs.google.com/document/d/1luEvDTpI-Hz3dMWTBmLpchvolmzBu1UBxcXm6QdVkec/edit?hl=en_US
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Dako on Sat Jul 02, 2011 12:11 pm

I am not sure that "beat xx in 2010" should count league results. Yes, 11 games confrontation is a very small war, but I think it should not be counted as best showing.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Commander9 on Sat Jul 02, 2011 1:17 pm

FarangDemon wrote:I notice that, based on this data, there is a top 8 cluster of clans that have over 1200 points - in order, TOFU, KoRT, THOTA, EMP, AOC, IA, TSM, LOW. Their scores cluster together (dropoff after 8th place) as well as their best recent performance - these Big Eight are pretty much the only clans that have been able to beat another Big Eight clan within the past year.


Just out of curiosity - so FOED versus IA doesn't count as a win against Top 8? And it's not our best showing "ranking" wise?
But... It was so artistically done.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Sat Jul 02, 2011 1:21 pm

Dako wrote:I am not sure that "beat xx in 2010" should count league results. Yes, 11 games confrontation is a very small war, but I think it should not be counted as best showing.


I definitely agree with you - I could set some kind of minimum games requirement for this. What do you think, 41 games?

Commander9 wrote:Just out of curiosity - so FOED versus IA doesn't count as a win against Top 8? And it's not our best showing "ranking" wise?


Sorry Commander9, the data jigger1986 sent me did not include the FOED vs IA war. I read the thread now and see that, according to Master Fenrir it has been officially over for 1 week at 29-12, though the topic does not say concluded. Maybe it didn't make it to the forum that he checks for clan war results.

Thanks for pointing this out. Unfortunately we don't have a clan war results archive, so we are going to continue to make errors like this until one is provided.

CC could add the capability to tag Clan War games upon their creation as being "Clan war KoRT vs AOC CC2 Quarterfinals" so that CC could automatically tabulate the results and post the results of completed wars to a Clan War Result Database. That would save everybody involved tons of time and produce more accurate reports in a more timely fashion. Has anyone suggested something like this before? Would CC be interested in using its development capabilities for the Clan Community? Maybe CC is already doing the same thing for tournaments?? Same idea could be applied to both.

In the meantime, anybody, feel free to look at our data file and let me know if any other wars are missing or if we have incorrect results.

https://docs.google.com/document/d/1luE ... t?hl=en_US

I want to wait several days for any other possible discrepancies to be pointed out before going through the trouble of redoing everything.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby danryan on Sat Jul 02, 2011 3:40 pm

I wouldn't blame anyone for not wanting to include that one. :)
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Bruceswar on Sat Jul 02, 2011 3:45 pm

TOFU vs BFM was also missed. Or maybe not depending on when you put together the info.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Sun Jul 03, 2011 2:40 am

Bruceswar wrote:TOFU vs BFM was also missed. Or maybe not depending on when you put together the info.


Was it over before July 1? If so please tell me score.

Ok I see over June 30 at 22-19 (TOFU). So I'll add it along with the FOED - IA war.


I will redo the rankings soon...
The squeaky wheels get the grease, people, so if we left out a war that ended in June, start squeaking or forever hold your peace for this update. :-({|=
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Leehar on Sun Jul 03, 2011 6:46 am

A simple check would be to see if you inputted all the Newcomers and Conqueror Cup ties that have completed.

I'm curious however on how you came up with the Best score in the last year if that one isn't actually better than the rating you get after a match?
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Dako on Sun Jul 03, 2011 7:40 am

40 games or more for the best showing I think.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Sun Jul 03, 2011 9:11 am

Leehar wrote:A simple check would be to see if you inputted all the Newcomers and Conqueror Cup ties that have completed.


I prefer not to check threads myself, that's why I delayed putting out an update until June when I found a volunteer to help me - jigger1986 helps me by checking the threads and tabulating the results every month. I contribute in my way, he contributes in his. If there are wars we have missed, I ask the clan community to contribute by pointing them out to us. If you want to contribute you could check the threads and compare them to the data file, see if anything is missing - that would be awesome.

But perhaps the best way the clan community could contribute toward the goal of obtaining accurate clan war results would be to push for the creation of a Clan War Results Database. Then nobody has to waste the time checking all the forums and tabulating results, no mistakes or omissions would be made, and members of the clan community would not have to waste their time posting about the absence of certain wars.

Leehar wrote:I'm curious however on how you came up with the Best score in the last year if that one isn't actually better than the rating you get after a match?


The score displayed in the "Best Showing in 1 Year" column is not the score of the clan itself, but that of the highest ranked opponent that the clan has beaten or tied to within the last year. It is this opponent's score at the time of the match's conclusion (before points changing hands from the match).
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby Lubawski on Sun Jul 03, 2011 10:30 am

All in all I think Farang has done some really good work here. I also applaud his attitude when people jump into the thread with pitchforks and torches because something was missed.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Sun Jul 03, 2011 2:20 pm

Lubawski wrote:All in all I think Farang has done some really good work here. I also applaud his attitude when people jump into the thread with pitchforks and torches because something was missed.


Thanks very much, Lubawski.

I've updated the rankings in the OP to include the two omitted wars.
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby IcePack on Sun Jul 03, 2011 2:39 pm

GR (21) vs. KOA (27) of 48 [Final]
by jigger1986 on Sun Jun 26, 2011 9:41 am

This war is now officially over. Congratulations again to KOA for the win.


Cheme moved it to completed area July 2nd, tho it ended before July 1st.

27 KOA 21 GR
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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby jigger1986 on Mon Jul 04, 2011 12:33 am

Just to clear a couple things up, I noticed several posts regarding missing data.

Only wars/challenges that were finished, moved and notated by a CD on or before 06/30 have been counted.
IA vs FOED still has active games (or at the very least still needs a thread update) and TOFU vs Botm finished on 06/30, but was not notated and moved by the CDs.

These results will be given to FarangDemon for the July calculations.

By the way, I love the "greatest accomplishment" idea, but would be in favor of a game limit of 41 games.
(eventhough my low ranked clan tied a very high ranked clan in a CL3 matchup and looks nice on paper to see that)

Thanks

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Re: Algorithm of 400 Clan Ranking (July 1, 2011)

Postby FarangDemon on Mon Jul 04, 2011 7:53 am

I meant to make it be > 39 games limit but there was a mistake in my code:

Code: Select all
if (outcomeString == "TIE" || outcomeString == "WIN" && RatingRecords[m].Games > 39)


I will fix it to:

Code: Select all
if ((outcomeString == "TIE" || outcomeString == "WIN") && RatingRecords[m].Games > 39)
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