Ruy Lopez de Segura - Original Chess Champion

Ruy Lopez de Segura (circa 1530 - 80) was a medieval Spanish Bishop and the earliest unofficial World Champion. His chess books are among the earliest European literature on chess and some of his ideas still carry water today.

Chess lesson # 32: The Ruy Lopez Opening (Spanish Opening)

Ruy López Opening - Chess Openings

The Ruy Lopez Chess Opening Explained

Ruy Lopez - Wikipedia

The Art of the Game of Chess (9780813232812): Ruy López, Michael J. McGrath and Andrew Soltis - BiblioVault

Ruy López, de sacerdote a campeón mundial de ajedrez

Wilhelm Steinitz: First World Chess by Linder, Isaak

Ruy López de Segura Biography - Spanish priest and chess player

This Cuban Genius Was Called the 'Mozart of Chess' - Nuestro Stories