Chess Reviews: 97 - Marsh Towers

The Ruy Lopez

Yearbook 127 hardcover

What is the main line of a chess opening? - Quora

Ruy Lopez - How to play the Dilworth Attack - Schachversand Niggemann

Chess and Chess960 Wiki - Two knights defence

Chess Stars Publishing

FIDE World Cup: First Games are Played

Chess Opening Names: The Fascinating & Entertaining History Behind The First Few Moves (The Chess Collection): Rose, Nathan, Williams, Simon: 9780473396732: : Books

Ruy Lopez - Spanish Opening (Theory, Variations, Lines, Strategy) - PPQTY

In the Ruy Lopez chess opening is it always better for the bishop