Converting Chess.com to USCF

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Avatar of camberfoil

That would mean my OTB standard rating would be less than 500. I'm not the most amazing chess player the planet has ever seen, but there is no way I'm 300-500. However, I agree with the rapid calculation. I would imagine the most accurate formula would be geometric as opposed to arithmetic, as increased ratings would call for nonlinear calculations.

Avatar of steve_bute

I suspect my rules-of-thumb don't work well on the upper and lower ends of the rating curve. I think another problem with rating accuracy here is that the vast majority of rated players on chess.com are not playing seriously.

Avatar of Scottrf

I suspect they just don't work well at all.

You have an 900-1100 point difference between online and standard.

Average blitz is 1087, average online 1342, less than a 300 point difference.

Avatar of -waller-

Not sure where you're getting 800/900 point difference between online and otb - have played a lot of players and don't think I've ever seen quite that sharp a difference - at any point of the rating scale.

Avatar of kleelof

There is absolutley positively no way to determine what your USCF rating will be based on ANY online ratings.

The only way to know is to go and play.

Avatar of Praxis_Streams

Don't know if this is helpful, but my USCF is 1830 and my chess.com standard floats around 1600.

Avatar of steve_bute

I've played CC chess since well before 'engines' were competitive (I created and managed the rating list for Chess-L on BitNet in the 80's), and the pool of CC players here on chess.com is the worst I've ever encountered when viewed in the context of their ELO-style ratings. An 1800-CC here isn't even 1300-OTB in quality of play. Really, really, really, bad CC players here. 1800-CC's here routinely miss simple pins, hung pieces, one-move mates ... 1300-OTB's are not that weak. Okay, I'll revise my estimate to -500 to -600.

Too many rating increases here come for doing nothing except watching your games being abandoned or played with extreme carelessness. That is not chess.com's fault ... it's the nature of the population that visits the site.

Avatar of kleelof

Steve, I never played correspondence chess, but I do see what you're saying about Online Chess here. I am really surprised when I play a higher rated opponent and they make mistakes you wouldn't even expect to see in live chess. When this happens I Chechnya their profile a quite often they are playing 40, 60 or 100 games. ( this I really don't get).

Avatar of steve_bute
kleelof wrote:

... quite often they are playing 40, 60 or 100 games. ( this I really don't get).

I don't either! Last round of a CC tourney here I was playing someone who had more than 200 active games. The effort I put into analyzing the opening was almost a total waste -- afterward I realized all I really had to do was play passively and wait for the big blunder. He was in the 1700's.

To be fair, it may be that he enjoys making a lot of CC moves each day and is satisfied with his play. Nothing wrong with that in itself.

I wonder what the chess.com CC rating curve would look like if limited to players with 20+, 50+, or 100+ completed games.

Avatar of InDetention
InDetention wrote:

The average of live chess standard and online chess ratings -100* = USCF rating.The average of live chess standard and online chess ratings -200 = CFC rating.The average of live chess standard and online chess ratings -300 = FIDE rating.

Based on 52 people. 

*about 100,200,and 300

 

Forgot to mention,this works better for people under 2000.

And for most people this is accurate,not all. 

Avatar of DrCheckevertim

More like it's not accurate at all.

Avatar of woton
camberfoil wrote:

My USCF rating is 754 (I'm way underrated). I would need to play in a large quantity of tournaments in order to stabilize my rating. I would like to be able to see what rating I have approximately from my chess.com ratings so that I don't have to wait months and months. I will, eventually, stabilize my rating, but for now, an estimate is sufficient.

The USCF rating algorithm has a provision for underrated or rapidly improving players.  It gives "bonus points" if your performance exceeds what is expected.  If you are 400 or 500 points underrated, it will only take two or three tournaments to bring your rating up to speed.

For what it's worth, my USCF rating is 1300, my live chess rating is 1500, and my on-line rating is 1600.  I think that any of correlations that exist have such a large margin of error that they are meaningless.

Avatar of Scottrf
steve_bute wrote:

I've played CC chess since well before 'engines' were competitive (I created and managed the rating list for Chess-L on BitNet in the 80's), and the pool of CC players here on chess.com is the worst I've ever encountered when viewed in the context of their ELO-style ratings. An 1800-CC here isn't even 1300-OTB in quality of play. Really, really, really, bad CC players here. 1800-CC's here routinely miss simple pins, hung pieces, one-move mates ... 1300-OTB's are not that weak. Okay, I'll revise my estimate to -500 to -600.

Too many rating increases here come for doing nothing except watching your games being abandoned or played with extreme carelessness. That is not chess.com's fault ... it's the nature of the population that visits the site.

No doubt about that but as I suspected, you're trying to make a point rather than be accurate. There are only 300 points difference between average blitz and online.

Also, your rating should be higher if 1800's are so bad.

Avatar of steve_bute
Scottrf wrote:

Also, your rating should be higher if 1800's are so bad.

I play CC here at about 1 game a month on average; I haven't been here long enough to settle my rating. It likely never will settle, since I have no desire to increase my play rate.

Avatar of Jimmykay
camberfoil wrote:

Edit: I have found a thread with sufficient information for me to formulate a semi-accurate formula. I will post it once I have the time to perform some number-crunching.

Looking through your games, I would estimate your USCF rating to be about 1900. Maybe higher.

Avatar of zborg

*For the OP --

Your rating looks to be about 1000.  So Live with It.

Your thread is a massive waste of time, and chockablock with blather.  Give it Up, please.

If your overly impatient OTB, you're probably weaker than 1000, and that will show up when you start playing in regular tournaments.

It will probably take 3 to 4 months, (and roughly the same number of OTB tournaments) for your rating to stabilize, in any case.

Good Luck with It.

The only reason the USCF rating even goes below 1000 is because the Federation panders to kids.  Ratings below 1000 are essentially meaningless.  Many kids jump from 500 to 1500 in about 1 year.  That's yet another reason why NO ONE should start below USCF 1000.

Whatever.

FYI, the head of FIDE believes he was abducted by aliens, and chessplayers (woldwide) are a rather eccentric lot.  Myself included.

Avatar of steve_bute

@zborg ... Ambassador for new-to-chess people, everywhere.

Avatar of zborg

Somebody has to do public service announcements.

It's a thankless job.  Kinda like being President of your HOA.

Avatar of Pulpofeira

It's a tough game, anyway.

Avatar of camberfoil
zborg wrote:

*For the OP --

Your rating looks to be about 1000.  So Live with It.

Your thread is a massive waste of time, and chockablock with blather.  Give it Up, please.

If your overly impatient OTB, you're probably weaker than 1000, and that will show up when you start playing in regular tournaments.

It will probably take 3 to 4 months, (and roughly the same number of OTB tournaments) for your rating to stabilize, in any case.

Good Luck with It.

The only reason the USCF rating even goes below 1000 is because the Federation panders to kids.  Ratings below 1000 are essentially meaningless.  Many kids jump from 500 to 1500 in about 1 year.  That's yet another reason why NO ONE should start below USCF 1000.

Whatever.

FYI, the head of FIDE believes he was abducted by aliens, and chessplayers (woldwide) are a rather eccentric lot.  Myself included.

You are entitled to your opinion. My opinion is that your post was a waste of time. I also think that the alien abduction story was a hairbrained publicity stunt.