| − | The '''Ruy Lopez''' is a popular [[chess]] opening, also known as ''Spanish opening''. It is a very old opening, but still favored in our times by many world class players. | + | The '''Ruy Lopez''' is a popular [[chess]] opening, also known as ''Spanish Opening'' or ''Spanish Game''. It is a very old opening, but still favored in our times by many world class players. |
| | + | It is named after the 16th-century Spanish priest [[Ruy López de Segura]], who made a systematic study of this and other openings in the 150-page book on chess ''Libro del Ajedrez'', written in 1561. However, the opening predates the book to as early as 1490. |