1953 — Al Husari, Zita Fatima vs Alster, Ladislav — 1-0 — Prague CZE 1954 — Pfeiffer, Gerhard vs Lehmann, Heinz — 1-0 — Wolfratshausen 1955 — Pfeiffer, Gerhard vs Scheipl, Ralf — 1-0 — Hoechst ch-GER 1957 — Sanguineti, Raúl Carlos vs Miguel, Nahuel — 1/2-1/2 — Rio de Janeiro BRA 1957 — Partyka, Kazimierz vs Orbaan, Constant — 1/2-1/2 — Szczawno Zdroj
3…d5 — 43.7% (9340 parties)
1951 — Krause, Kurt vs Elstner, Rudolf — 1/2-1/2 — Schwerin GER 1954 — Pfeiffer, Gerhard vs Mross, Paul — 1-0 — Hamburg GER 1955 — Klugman, Reuben vs Amand, Harry — 1/2-1/2 — ? 1956 — Pfeiffer, Gerhard vs Pachman, Ludek — 1/2-1/2 — Moskou olm 1957 — Gipslis, Aivars vs Kots, Yuri I — 1-0 — Sverdlovsk
3…Nc6 — 6.2% (1319 parties)
1964 — Suer, Nevzat vs Aditya Balu Jadhav — 0-1 — Tel Aviv ISR 1966 — Asenova, Venka vs Andreieva, Olga A — 0-1 — Odessa UKR 1966 — Skegina, Klaara vs Lizunova, Raisa — 1-0 — Moscow RUS 1966 — Minev, Nikolay N vs Radojevic, Miomir — 1-0 — Sombor 1968 — Asenova, Venka vs Milosavljevic, Ruzica — 1/2-1/2 — Belgrade SRB
3…d6 — 1.7% (368 parties)
1959 — Haag, Ervin vs Forintos, Gyozo V — 1-0 — HUN-ch Budapest HUN 1970 — Masera, Umberto vs Popov, Luben — 1/2-1/2 — Reggio Emilia ITA 1974 — Kernan, Bernard vs Nolan, Robert H — 1-0 — Mulcahy 1975 — De Jonghe, Bruno vs Svenn, Matti — 1-0 — Hallsberg opJ 1975 — Mueller, Klaus-Uwe vs Dietze, Wolfgang, Dr. — 0-1 — Stralsund GER
Karpov, Anatoly — 9 parties
Hou, Yifan — 9 parties
Carlsen, Magnus — 8 parties
Ju, Wenjun — 5 parties
Kramnik, Vladimir — 5 parties
Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 3 parties
Anand, Viswanathan — 2 parties
Gukesh D — 2 parties
1954 — Pfeiffer, Gerhard vs Lehmann, Heinz — 1-0 — Wolfratshausen
1955 — Pfeiffer, Gerhard vs Scheipl, Ralf — 1-0 — Hoechst ch-GER
1957 — Sanguineti, Raúl Carlos vs Miguel, Nahuel — 1/2-1/2 — Rio de Janeiro BRA
1957 — Partyka, Kazimierz vs Orbaan, Constant — 1/2-1/2 — Szczawno Zdroj
1954 — Pfeiffer, Gerhard vs Mross, Paul — 1-0 — Hamburg GER
1955 — Klugman, Reuben vs Amand, Harry — 1/2-1/2 — ?
1956 — Pfeiffer, Gerhard vs Pachman, Ludek — 1/2-1/2 — Moskou olm
1957 — Gipslis, Aivars vs Kots, Yuri I — 1-0 — Sverdlovsk
1966 — Asenova, Venka vs Andreieva, Olga A — 0-1 — Odessa UKR
1966 — Skegina, Klaara vs Lizunova, Raisa — 1-0 — Moscow RUS
1966 — Minev, Nikolay N vs Radojevic, Miomir — 1-0 — Sombor
1968 — Asenova, Venka vs Milosavljevic, Ruzica — 1/2-1/2 — Belgrade SRB
1970 — Masera, Umberto vs Popov, Luben — 1/2-1/2 — Reggio Emilia ITA
1974 — Kernan, Bernard vs Nolan, Robert H — 1-0 — Mulcahy
1975 — De Jonghe, Bruno vs Svenn, Matti — 1-0 — Hallsberg opJ
1975 — Mueller, Klaus-Uwe vs Dietze, Wolfgang, Dr. — 0-1 — Stralsund GER