Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...O-O/8. h3

This is a move that transposes back to the slow main lines of the Ruy Lopez, and a recently more popular way to reject the Marshall Gambit.