Do professional chess players abstinence before competitions?
If they do, how long do they do abstinence?
It's possible, as intense romantic feelings can certainly distract the mind.
But it is worth noting that this is a common battle in sports competition in general.
there is no need for abstinence because chess gives all that high
I know quite a few "Professional players". Want me to ask them? ;-)
Botvinnik recalled the story when in 1934 he made love all night to his later wife and next day he crushed Belavenz in 25 moves.