"Chess is a contest between two men in which there is considerable ego-involvement. In some way it certainly touches upon the conflicts surrounding aggression, homosexuality, masturbation and narcissism which become particularly prominent in the anal-phallic phases of development. From the standpoint of id psychology, Jones' observations can therefore be confirmed, even enlarged upon. Genetically, chess is more often than not taught to the boy by his father, or a father-substitute, and thus becomes a means of working out the son-father rivalry."

So now you know... It's easy to be dismissive of this, but if you don't think there's anything in it, and are not easily offended, then I invite you to look at a few statements quoted in Dominic Lawson's The Inner Game. The most obvious caution against a psychodynamic interpretation of chess is that Short's anal rape fantasies here seem anything but "unconscious" or "repressed"!