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Magnus Carlsen just reached a rating of 2889.2 today. Considering the way that Elo works, inflation and deflation and relative strength of Carlsen, I was wondering whether it is theoretically possible for him to reach Elo 3000? If so, is it practically possible?1


1. I know my second question is a bit opinion based, but I actually want to know your opinions!

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I highly doubt it –  Fischer Apr 22 at 11:56
    
It is absolutely theoretically possible. It's very unlikely, though. –  dfan Apr 22 at 13:33
    
Not if Grischuk does it first! ;) –  Jeff Davis Apr 22 at 14:47
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2 Answers 2

The average Elo rating of the e.g. top 10 players in the world is rising every year. I think that the relative distance between the number one rated player and the other 9 players in the top 10 becomes relevant in this context. This distance can be estimated by subtracting the average of the ratings of the 9 players (ranked 2-10 in the world) from the rating of the top player (today, Carlsen) and dividing this by the rating of the top player.

Increasing this distance is difficult for the top rated player, because every new game played by the top player has a certain amount of risk and uncertainty. I think that Carlsen will have a hard time reaching an Elo rating of 3000 exclusively by increasing the distance to the players ranked 2-10. Yet, if the relative distance stays the same of the following years and the average rating of the top 10 continues to increase, then it is definitely possible for Carlsen to reach Elo 3000. The second ranked player at that moment would probably have around Elo 2950.

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So are you saying he should throw a couple games? J/k, but perhaps the top 9 players should have higher ratings, so when they do play him if he wins it would bring him closer to 3k. –  BigHomie Apr 22 at 19:20
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It's not so hard: he only needs to beat 2800 players 50% of the time ( drawing the other 50% which will give him 75% of total points).

Given his record, this does not seem practically likely.

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