I think you need to cite more examples to support your premise. I'm not saying this is racist or not racist. It's simply a fact if you can support your facts. So please provide more examples of great Jewish Chess Players and let us decide. I do not doubt the Jewish people are talented in many ways.
Obvious plant.
THERE IS NO SUCH THING AS A JEWISH RACE
http://forward.com/articles/155742/jews-are-a-race-genes-reveal/?p=all
I don't have a dog in this fight. But I look forward to your refutation.