Ruy Lopez Ruy Lopez The Ruy Lopez (; ), also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves: The Ruy Lopez is named after 16th-century Spanish bishop Ruy López de Segura. It is one of the most popular openings, with such a vast number of variations that in the "Encyclopaedia of Chess Openings" ("ECO") all codes from C60 to C99 are assigned to them. The opening is named after the 16th-century Spanish bishop Ruy López de Segura, who made a systematic study of this and other openings in the 150-page book on chess "Libro del
War and Peace (game) commanding general's box, reducing clutter on the map), while the alliance chart, force pools, and prisoners are on the campaign game card. Player sides are: France (blue), Spain (yellow), Britain (red), Austria (white), Prussia (gray), and Russia (green). The markers for Fortresses, entrenchments and demoralization are black. Tactical matrix markers (see below) are white. Strength points are also rated for what the game calls "morale" (a proxy for troop quality). Militia, landwehr, partisans and cossacks rate "0". Regular infantry (yellow lettering for minor countries, or black for Prussian, Austrian or Spanish regulars) rate "1". British, Russian and French infantry (white