A Tsvetkov vs Smyslov, 1947  (B08) Pirc, Classical, 64 moves, 0-1 Unzicker vs Botvinnik, 1962  (B08) Pirc, Classical, 40 moves, 0-1 J E Littlewood vs C H Alexander, 1962  (B08) Pirc, Classical, 73 moves, 0-1 K Kirby vs Botvinnik, 1964  (B08) Pirc, Classical, 48 moves, 0-1 Aronin vs Botvinnik, 1965  (B08) Pirc, Classical, 50 moves, 0-1 Larsen vs J Penrose, 1967  (B08) Pirc, Classical, 40 moves, 0-1 H Weinhold vs Keene, 1969   (B08) Pirc, Classical, 48 moves, 0-1 Matulovic vs Botvinnik, 1969 (B08) Pirc, Classical, 51 moves, 0-1 D Collyer vs Suttles, 1971  (B08) Pirc, Classical, 50 moves, 0-1 K Rogoff vs P Poutiainen, 1971  (B08) Pirc, Classical, 54 moves, 0-1 E Paoli vs C Micheli, 1972  (B08) Pirc, Classical, 46 moves, 0-1 Timman vs Matulovic, 1972 (B08) Pirc, Classical, 57 moves, 0-1 E Torre vs O Jakobsen, 1973  (B08) Pirc, Classical, 112 moves, 0-1 Tarrasch vs E Thorold, 1890  (C07) French, Tarrasch, 56 moves, 1-0 Rubinstein vs Duras, 1908   (D02) Queen's Pawn Game, 39 moves, 1-0 L Metanomski vs E Glass, 1931  (D16) Queen's Gambit Declined Slav, 92 moves, 1-0 Smyslov vs Reshevsky, 1948  (C75) Ruy Lopez, Modern Steinitz Defense, 52 moves, 1-0 Tartakower vs R Frentz, 1933  (A18) English, Mikenas-Carls, 35 moves, 1-0 J Thompson vs Morphy, 1857  (C53) Giuoco Piano, 46 moves, 0-1 Morphy vs J Thompson, 1857  (B44) Sicilian, 48 moves, 1-0 20 games