Chess is a game of logic and reasoning. Anything that can impare your judgement such as elevated testosterone levels may not be so good for your game. But we men are what we are- A little testosterone never hurt anybody...except the millions of people every year victims of violent crimes perpetrated by idividuals with high testosterone levels.
Testosterone levels and chess performance
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It would be an interesting experiment. I presume taking excess testertone could either diminish or enhance chess ability depending on the quantity taken.
Would you dare win against this guy ?
(It was halfway through his very first game that Andre realised that he may have spent the past few years doing the wrong type of training in his quest to become world champion)
zxb,
One chessboxing champion once claimed that after the boxing round ,he had first to calm down in order to play sensible chess!But his problem could be just aftersport tention...In addition,it has been said that chess absorbs agression.Greetings!
(ILP,that guy is a really strong player...)
The question is if performance triggers testosterone or vice versa...(a very crucial dillema throughout post-cognitive science...)
Uh... I'm pretty sure testosterone is not much of a "feel good" hormone, so why should there be any correlation?
This sounds like another men are clearly smarter than women at chess. I guess we shall see in a few pages of debate with no clear answer.
Nevertheless, a study like that would be interesting, wouldn't it? Solves the question once and for all 
(for the sensitives out there, the smiley indicates a joke...)
That's very interesting spaghettio, though very strange.
"The cognitive performance of normal men and women was studied, grouped according to whether the subjects had relatively high or low salivary testosterone (T) concentrations. Men with lower T performed better than other groups on measures of spatial/mathematical ability, tasks at which men normally excel. Women with high T scored higher than low-T women on these same measures. T concentrations did not relate significantly to scores on tests that usually favor women or that do not typically show a sex difference. These results support suggestions of a nonlinear relationship between T concentrations and spatial ability, and demonstrate some task specificity in this respect."
(http://www.ncbi.nlm.nih.gov/pubmed/1745699)
How do they correlate?Then again u have athletic ability,as well as the fact that master tournament winners, have showned elevated testosterone levels, right after becoming champions!
Haha