Mastering Opening Strategyde Johan HellstenMateriasChess, openingsEdiciones (1)Mastering Opening Strategy (2012)Everyman Chess · inglés · ISBN 9781857446920Más obras de Johan HellstenPlay The Sicilian Kan A Dynamic And Flexible Repertoire For BlackMastering chess strategyMMastering Endgame StrategyMastering Endgame Strategy