Steinitz Defense Doubly Deferred to the Ruy Lopez: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 (also called the Russian Defence)
Wilhelm Steinitz | Variation of the field | The Variation of Animals and Plants under Domestication | Steinitz | genetic variation | Unwarranted variation | unwarranted variation | Steinitz, Germany | Sicilian Defence, Najdorf Variation | Radial Force Variation | Paul Steinitz | Heinz Steinitz | Genetic variation | Diurnal temperature variation | Bounded variation |