C78Black16 book lines continue
Morphy Defense, Arkhangelsk Variation
Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7
Also known as Spanish: Archangelsk Variation, Spanish Game, Morphy Defense, Ruy Lopez: Archangelsk (counterthrust) variation.