Does Glicko Rating System Work Well With CC?

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17th October 2009, 05:26am
#61
by Ian_Sinclair
Taree Australia
Member Since: Dec 2007
Member Points: 2206

Yeah anytime u want just ask. :-)

17th October 2009, 05:29am
#62
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

I don't need it too often.

I'm kinda angry at the worst losee because my opponent kept moving at very little time left, sometimes a few minutes in a 3-day game to prolong not-losing (I was a queen up) and I timed out when I had to go on a tourney. Bad luck.

17th October 2009, 05:32am
#63
by Ian_Sinclair
Taree Australia
Member Since: Dec 2007
Member Points: 2206

That does suck. I also hate losing or drawing a game that i should have won. it shows that my technique still needs work i believe. Or playing so badly you wonder if u should give up the game hahaha.

17th October 2009, 05:33am
#64
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

But losing by blundering and by timeout is something different.

17th October 2009, 05:35am
#65
by Ian_Sinclair
Taree Australia
Member Since: Dec 2007
Member Points: 2206

Oh yeah! That's a league of its own. Almost enough to want to kill yourself i reckon.

20th October 2009, 03:12am
#66
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

http://www.chess.com/echess/profile/haddad56

What's his RD? May be the lowest on this site.

20th October 2009, 03:22am
#67
by Puchiko
Prague Czech Republic
Member Since: Nov 2008
Member Points: 130

I didn't read through all four pages, but I'd say we really need Glicko. People of all abilities come and start playing, a 1200 could be a complete beginner, or a master-level player. You don't get this sort of unpredictability of newcomers in OTB play. We need a system that assigns an accurate rating quickly.

20th October 2009, 10:32am
#68
by SerbianChessStar
Belgrade Serbia
Member Since: May 2009
Member Points: 2626
Kacparov wrote:

http://www.chess.com/echess/profile/haddad56

What's his RD? May be the lowest on this site.


 47..

AWARDCHESS is 46 i believe.

20th October 2009, 11:26am
#69
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

LOL. Haddad finishes even more than Awardchess. 46 must be the lowest possible...

20th October 2009, 11:30am
#70
by SerbianChessStar
Belgrade Serbia
Member Since: May 2009
Member Points: 2626

Awardchess has 44 my bad.. i just checked.

3rd November 2009, 09:44pm
#71
by LongBoardBob
Nanaimo, B.C. Canada
Member Since: Sep 2008
Member Points: 13
richie_and_oprah wrote:

I would say, no it is not. (RD of 100 being inaccurate by definition)

What I am saying is there is no such thing as a "true" rating to begin with. 

That entire concept to me is merely theoretical and the Glicko system is the latest and best attempt to deal with reality.

I am also certain some bright, young mathematically inlcined mind will improve upon it!

 

The smaller any sample is, the less certain anyone can be of the results derived from such sample.  I feel comfortable claiming that can be successfully applied to donuts as well as chess ratings. 

 

Again, I wonder, what is the genesis of your real beef here, and do you have viable solution(s)?  As your initial statement that this is a CC site is not wholly accurate (as I described above), I am now confused to what the real issue has become?


thank you richie_and_opera and a few others for your informative descriptions and analyses. I wanted to know why and how the rating system worked and now I do...much appreciated.

As for the rest of the discussion, I feel the need to add my own two cents....

most of us have taken a few stats courses and many of us are amateur chess fanatics...this I understand, but honestly, i must agree with richie_and_opera guys, what is the real issue here?

if you're looking for the kinda perfection in a system that gives you a case of the warm fuzzies perhaps you should go scuba diving in the Galapagos or something :0

just kiddin'

seriously, I play 20 games at a time, I finish one or two a day I have a glicko rd of 57 and I hover between 1450 and 1600... if I take a break and lose a couple of games cause  Icome home schwacked on good canadian beers then so be it.

the glicko rating system is a mathematical reflection, an expression, a representation

to quote the wisdom of a previous entry "What I am saying is there is no such thing as a "true" rating to begin with."

so the moral of the forum is:

1. play moves everyday and avoid timeouts

2. don't play drunk or tired (or stoned if you're canadian) if you want your rating to reflect your sober skill

3. Glicko is what we have unless you gotta better idea

4. Learn something new everyday, if you're not you're just wastin time

and thank you richie_and_opera for explaining to me why and how my rd changes

oh yeah and if you wanna increase your sample size ( and I know you do) or if I just outright pissed you off then challenge me to a game and I'll gladly accept

good luck out there!

3rd November 2009, 09:47pm
#72
by LongBoardBob
Nanaimo, B.C. Canada
Member Since: Sep 2008
Member Points: 13
[COMMENT DELETED]
3rd November 2009, 10:21pm
#73
by yeres30
Waipahu, Hawaii United States
Member Since: Aug 2007
Member Points: 622
rigamagician wrote:

Basically, the more you play, the smaller the fluctuation in your rating.


I have 788 games and my RD is 104.  

4th November 2009, 03:47am
#74
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

what my RD now? I started gaining very little points lately.

4th November 2009, 03:58am
#75
by ExtraBold
Sheffield United Kingdom
Member Since: Nov 2008
Member Points: 363

64 Kacparov

4th November 2009, 04:49am
#76
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

thanks, I was sure it's much less. I'm comparing chess.com changes to CT changes.

4th November 2009, 04:57am
#77
by ExtraBold
Sheffield United Kingdom
Member Since: Nov 2008
Member Points: 363

The changes also depend on the opponent/problem RD which you don't know.

4th November 2009, 05:05am
#78
by Kacparov
Torun Poland
Member Since: Feb 2009
Member Points: 6942

Difference between loss and win is 23 points. On CT with such an RD it's about 30.

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