The proponents of Steinitz' theory - Tarrasch and his supporters - tried to express Steinitz' teaching in the form of laconic rules, and as often happens in such cases, they went too far. The laconic tended to become dogmatic, and chess began to lose its freshness, originality and charm.
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 KotovThere is no doubt that the reason for my awful oversight was over-confidence that sapped my sense of danger. So that is where to look for the cause of bad blunders - in the exulting feeling of self-congratulation.
Alexander Kotov