Sit there for five hours? Certainly not! A player must walk about between moves, it helps his thinking.
Alexander KotovIf a chess statistician were to try and satisfy his curiousity over which stage of the game proved decisive in the majority of cases, he would certainly come to the conclusion that it is the middlegame that provides the most decisive stage.
Alexander KotovExperience and the constant analysis of the most varied positions builds up a store of knowledge in a player's mind enabling him often at a glance to assess this or that position.
Alexander Kotov