Gruenfeld-Wolf, Ernst-Heinrich vs Becker-Kaufmann, Albert-Arthur - Vienna (Wiener Schachklub) 1933.02.13
Gruenfeld/Wolf, Ernst/Heinrich vs Becker/Kaufmann, Albert/Arthur
Vienna (Wiener Schachklub) Berlin 1933.02.13
Queen’s Gambit Declined: Ragozin Defense, Vienna Variation 0-1