Your chess.com rating isn't ELO
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Starting this thread as there seems to be a lot of people who misunderstand this. ELO rating is gained by first registering with FIDE, generally through a club and then playing in FIDE tournaments. chess.com does not and never has had an ELO rating. The chess.com rating is from, and for, this site only and has zero relevance to the ELO rating.
First of all, it is not ELO but Elo.
Secondly the Elo rating system can be and is used by a lot of organizations, not only FIDE. It’s not only used in chess either.
Chess.com uses a modified version of the Elo system so the rating can be called Elo here also. However it should not be called ELO and neither should a FIDE rating, because it is Elo.
Jul 30, 2023
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#5
Chess.com uses the Glicko rating system, which has more criterias for rating than the Elo system does, but is a variation of the Elo system.
Jul 30, 2023
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#6
Also the rating on chess.com has no relevance with your FIDE rating.
B-A_Matei kirjoitti:
Also the rating on chess.com has no relevance with your FIDE rating.
That is true.
Also an USCF rating is not the same as FIDE rating or some other national rating, for example the one we have in Finland.
Also FIDE has different ratings for standard, rapid and blitz.
All of these (FIDE, USCF, chess.com, the Finnish national rating system…) use some version of the Elo system. The Glicko system is also a modified version of the Elo system.
So an Elo rating is not always a FIDE rating but a FIDE rating will always be also an Elo rating.
It is OK to call a chess.com rating or a FIDE rating Elo although it is always better to say chess.com rapid or FIDE standard for example.
FIDE or not, your rating is not ELO.
This is ELO.