Test Your Chessde Steffen PedersenMateriasSchakenChess problemsCollections of gamesChessEdiciones (1)Test Your Chess (2000)Gambit Publications · inglés · ISBN 9781901983357Más obras de Steffen PedersenBeating the Indian DefencesQQueen's Gambit for the Attacking PlayerQueen's Gambit for the Attacking PlayerThe Botvinnik Semi-Slav