Most chess players know, thanks to the study of master games, that two bishops are stronger than two knights or than bishop and knight, though very few know the reason for this advantage and how to turn it to account.
Richard RetiThe scheme of a game is played on positional lines; the decision of it, as a rule, is effected by combinations.
Richard RetiIt is the aim of the modern school, not to treat every position according to one general law, but according to the principle inherent in the position
Richard Reti