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Alekhine Defense 1 game, 1962 French Defence - Classical Variation 1 game, 2001 French Defense - Tarrasch Variation 3 games, 1965-1991 French Defense - Winawer Variation 9 games, 1970-1997 Grunfeld Defense 4 games, 2000-2010 Kings Gambit 1 game, 1945 Kings Indian 5 games, 1975-1988 Nimzo Indian Defense - 1 game, 1966 Queen's Gambit Declined 2 games, 1979-2013 Ruy Lopez - Closed Variation 4 games, 1985-2005 Ruy Lopez - Exchange Variation 3 games, 1963-1979 Ruy Lopez - Worrall Attack 2 games, 1992-2010 Sicilian Defense - Najdorf Variation 14 games, 1956-2005 Sicilian Defense - Rossolimo Variation 1 game, 1992 TO DO 18 games, 1972-2015 TO_STUDY 13 games, 1946-2008 WCC_1966 1 game, 1966 WCC_1987 1 game, 1987