ECO C93: Ruy Lopez

ECO C93 is part of volume C — Open Games. The Lichess chess-openings dataset files one named line under it. It is Ruy Lopez: Closed, Smyslov Defense: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6.

That position has come up in 71,024 Lichess games between players rated 1600 to 2500: White won 54.3%, 5.5% were drawn and Black won 40.2%.