Quite often after a serious amount of time of regular training sessions, some people still struggle to show better results at tournament practice. How is it possible, one may think, after studying so much to still perform poor and sometimes even worse than before training periodically? It can sound strange but this scenario is not rare at all. Chess is a complex game and the victory lies in many factors; some can be trained and others you only learn how to deal with when you grow a more mature mindset.