7 steps to better Chessde Eric SchillerMateriasChessHandbooks, manualsEdiciones (1)7 steps to better Chess (2010)Cardoza Pub. · inglés · ISBN 9781580422406Más obras de Eric SchillerWWorld champion openingsWorld champion openingsCCatalan.--Catalan.--HHow to play the reti.--How to play the reti.--