Because chess can make people crazy.
That's a superstition that I find really hard to believe.
Because chess can make people crazy.
That's a superstition that I find really hard to believe.
It seems like this question answers itself. It's like asking why do most wealthy people have a lot of money. Or why are most fighter pilots not average pilots. The "normal" ability of a chess player is that of a beginner, or decent amateur. That's normal, because it's rare for chess players to be professionals.
Because chess can make people crazy.