C79Black5 book lines continue
Morphy Defense, Steinitz Deferred
Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4
Also known as Spanish: Steinitz Deferred, Rubinstein Variation, Ruy Lopez: Morphy Defense, Steinitz Deferred, 6. Bxc6+ bxc6 7. d4 Nxe4, Spanish Game, Morphy Defense.