Jim Marfia

Queen's Indian with 4 g3

2002

The Annotated Open; 1981 U.S.

The Annotated Open; 1981 U.S. Open Palo Alto

2002

Queen's Gambit With Bf 4

Queen's Gambit With Bf 4

1985

1983 U.S. Open

1984

The double fianchetto opening

The double fianchetto opening system

1979