Well, at the very top, there had been a deflation:

Kasparov used to be at 2890+ and is these days at 2810+
Anand used to be at 2840+ and is these days at 2780+
Kramnik used to be at 2840+ and is these days at 2770+


"byrne" wrote in message
...
10 , 30 , 50 etc points per 5 or 10 years ?!
GM Korchnoi says 30 points per 10 years
( 2004 - 2600elo= 1994 - 2570elo)

Regards ,
byrne