Smyslov_Fan wrote on 08/07/06 at 00:05:10:
Rubinstein won many great tournaments. He also had many mundane performances. A check of his life-time statistics, or Schlechter's, would suggest they were both mediocre players. Yet GrandMasters, artists in their own right, consider these two players very highly. Perhaps just a check of life-time statistics isn't a good enough measure of greatness.
With some optimism I count
Carlsbad 1907 (no Tarrasch, no Lasker)
St Petersburg 1909
San Sebastian 1912 (no Capablanca, no Lasker)
Bad Pistyan 1912 (idem)
Breslau 1912 (idem).
That is an admirable amount for sure and I have stated two times before, that Lasker should have played with Rubinstein instead of Janowsky. Still it is just a bit less impressive than Lasker's and Capablanca's.
I think with some prudence statistics can be used, especially as the other players, including the WCh's, did not win every tournament and match they played either. I really don't see, why life-time statistics should lead to the conclusion, that Rubinstein and Schlechter (or someone else) were mediocre players. At the other hand, neglecting such data inevitably leads to statements like "I vote X, because many GM's consider him so highly and I have played through a couple of great games and I don't bother about other candidates." As a consequence it seems, as if Bogo's performances at the aforementioned tournaments don't have any value. It's fine with me to have a favourite, but I'd rather avoid total subjectiveness.
What I have done is comparing the achievements of several reasonable candidates. My conclusion is that Rubinstein, Keres and Fine were the strongest non-WCh's before 1945, each within a limited amount of years. From them I think only the latter could have made it to the title.
Until now I have not read any argument against this conclusion.
Of course it is much harder to determine the strongest player of all time with this method. The reason is simple. We can use the contemporary WCh's as a standard. But such a standard is not available for the WCh's themselves.
After long hesitation I voted Karpov in this poll, mainly because I suspected that way too many have voted Kasparov and Fischer. Speaking of total subjectiveness!
PS Rubinstein had a life-time score of 55% against my hero, which leads me to the undisputed conclusion that he was on average the stronger one.