"Salander, he could see, was an uncanny chess player. She had obviously never played for a club, and when he mentioned that the game seemed to have been a variant of a classic game by Lasker, she gave him an incomprehensible look."

Public DomainLasker
1868 –  1941 - A German chess player and mathematician to this day regarded by many as one of the strongest ever chess players. He was the world champion for 27 years.