Psychologically, the choice of an appropriate opening is of the utmost importance for a player's success in a tournament.
Savielly TartakowerIn chess, there is only one mistake: over-estimation of your opponent. All else is either bad luck or weakness.
Savielly TartakowerA Chess game is divided into three stages: the first, when you hope you have the advantage, the second when you believe you have an advantage, and the third... when you know you're going to lose!
Savielly Tartakower