Ruy López de Segura a match against Leonardo di Bona in Rome. In 1574–75 he lost the first known international chess tournament, which was held, at the invitation of King Philip II of Spain, at the Royal Court of Spain in El Escorial, close to Madrid, to Leonardo di Bona, a Calabrian lawyer, and to Paolo Boi, but placing ahead of 4th (and last) place finisher Alfonso Ceron. The Ruy Lopez Opening (1.e4 e5 2.Nf3 Nc6 3.Bb5) is named after him, as is a variation in the Petroff Defence (1.e4 e5 2.Nf3 Nf6 3.Nxe5 Qe7). Ruy López de Segura Rodrigo (Ruy) López de Segura
Ruy López de Dávalos 18-year-old king Charles, born in Ghent, Flanders, an aspiring, and successful, Holy Roman Emperor. A few male descendants of the family emigrated earlier to Italy, including Malta island, around 1430 and became there important people of the nobility for over 400 years or so, using names approaching the Spanish spelling of the name, but no necessarily with the same exact graphical signs. The genealogical descent is as follows: 1. Ruy Lopez d'Avalos, Count of Ribadeo, Constable of Castile (1357–1421), married firstly to Maria Gutierrez de Fontechecha; secondly 1395 to Elvira de Guevara; married thirdly to Constanza de Tovar y Toledo,