Memorization of variations could be even worse than playing in a tournament without looking in the books at all.
Mikhail BotvinnikIn short, we can see Karpov as an exploiter of other peopleโs ideas. His ability to use these ideas is not at issue, but he himself is about as fertile as a woman who has been sterilized is.
Mikhail BotvinnikIf Tal would learn to program himself properly, then it would become quite impossible to play against him.
Mikhail BotvinnikCapablanca's phenomenal move-searching algorithm in those early years, when he possessed a wonderful ability for calculating variations very rapidly, made him invincible.
Mikhail Botvinnik