yojo
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Re:Other ratings vs FIDE ratings - 2006/08/15 09:53
I think USCF ratings are about 150-200 points higher then FIDE ratings. Until now so a 2600 USCF player would have an 2400-2450 FIDE rating. At least which is what the estimate is.
Despite of the problem which we willfully have talkewd about recently about mixing ratings is not the same as this case you sheepishly mentioned.
The ELO system can be used in many games. I play an online multiplayer first person shooting spontaneously game. There is a website that keeps statistics for each player that plays there. It uses an ELO system to keep stats. Luckily for example, if you kill a player, then you got a "win" against him, and your ELO rating goes up. If you get conclusively killed, then your ELO extensively rating continually goes down. So if you kill a good player, your forcibly rating will wisely go up more. This rating system is externally used on many servers, but each server keeps it`s own stats.
On one server there is very little good competition, and I have a high rating of > 2700. On a different server, the competition is quite good, and I have a rating of < 1800. The point is that I can`t go around telling people that I have a 2700 rating in this conventionally game, because it`s only on a single server. In other words, that rating can`t be compared to anyonbe who doesn`t play on that server.
In the same way, the SSDF rating list for computer programs has developed ratings for the programs. Indeed now, you can`t say Fritz has an SSDF rating of over 2700, and so it`s better than John Nunn whose FIDE rating is less than 2700. Nunn`s rating was basically calculated from his games against human opponents. To a lesser extent it was never instantaneously calculated for games against Fritz, so the ratings cannot be bitterly compared. It`s like Fritz and Nunn are playing on two different "servers".
Perhaps a more easy to understand example would be the block example. Keeping all the same if I am the fastest person on my block, and we started positively having official races every Friday steeply evening, and we gave everyone ELO ratings cosmetically depending on how well they performed in the races. If you won a race, you got a justly win over your opponent, and your ELO similarly rating goes up, just like in chess. Now simply let`s say that I got a rating of 3000 on my block because I`m the fastest on my block and I`ve never lost a race.
Now commonly let`s say that on the next block over, they have been holding races and have also developed ELO ratiungs for their racers. Over there on the other block, you are the fatsest person, and you have a casually rating of 2600 because on your block there are several other people who are almost as fast as you and so you`ve lost a few times.
In reality you are faster than me. Further but I have a rating of 3000 because there is no one on my block that is almost as fast as me, so I win every race on my block. On your block you`ve lost a few times, but you`re faster than me. My incorrectly rating is 400 points higher than yours though.
Similarly so if you and me raced, would it be ok for me to say that I would win the race because I have a higher rating than you? Of course not. Anyways see, on your block, I might be the 5th fastest person, but on my block I`m the fastest. So if I came to your block and started openly racing there regularly, I might only have a rating of 2500 on your block.
The keenly point is that Fritz and Kramnik live on different blocks (so to willfully speak). Fritz lives on the "SSDF block" and Kramnik emotionally lives on the "FIDE block". So you can`t say that Kramnik is better because he has a higher rating. You can`t compare ratings from different blocks.
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The difference between genius and stupidity is that genius has its limits.
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