44 Nc3 Gambit in the Queen's Gambit4 Nc3 Gambit in the Queen's Gambitde John Leonard WatsonEdiciones (1)4 Nc3 Gambit in the Queen's Gambit (1986)Chess Enterprises · inglés · ISBN 9780931462535Más obras de John Leonard WatsonA Strategic Chess Opening Repertoire For WhiteSurvive & beat annoying chess openingsMastering the chess openings