L Dubeck vs R Weinstein, 1958  (B21) Sicilian, 2.f4 and 2.d4, 18 moves, 1-0 Speelman vs J Horner, 1976  (A10) English, 35 moves, 1-0 Spassky vs Larsen, 1970  (E12) Queen's Indian, 38 moves, 0-1 T Menyhart vs A Popovics, 1997  (A00) Uncommon Opening, 52 moves, 1-0 4 games