Many focus on the technical part of chess and think it is all they need to be a chess champion. Yet in my interaction with our top national juniors, I find this is not the case. I once asked Sumant, how many games are lost for technical reasons and how many are lost by emotional reasons. The answer was more is lost by anxiety and tension. Look at this article. There is a clue there.
http://www.associatedcontent.com/article/452693/recognizing_the_red_flags_and_warning.html?cat=41
Happy reading.
Raymond
Education and Training
PICA