Ruy López de Segura
|Ruy López de Segura|
|Full name||Rodrigo López de Segura|
|Died||c. 1580 (aged c. 50)|
Rodrigo (Ruy) López de Segura (c. 1530 – c. 1580) was a Spanish priest and later bishop in Segura whose 1561 book Libro de la invención liberal y arte del juego del Axedrez was one of the first definitive books about modern chess in Europe, only after Pedro Damiano's 1512 book.
He was born in Zafra near Badajoz, probably of Converso Jewish descent, and he studied and lived in Salamanca. He is considered by many to be the first unofficial world chess champion, as he won the first modern chess tournament in Madrid. In 1574–75 he lost matches to Leonardo di Bona, a Calabrian lawyer, and to Paolo Boi.
Contributions to opening 
|This section uses algebraic notation to describe chess moves.|
- The works of Damiano, Ruy-Lopez, and Salvio on the game of chess. London: Printed for T. Boosey. 1813.
- Hooper, David; Whyld, Kenneth (1992), "López de Segura, Ruy", The Oxford Companion to Chess (2nd ed.), Oxford University Press, ISBN 0-19-280049-3
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