Ambassadeurs : Speelman, Jon S (14x), Kupreichik, Viktor D (14x), Spiridonov, Nikola (11x), Jansa, Vlastimil (11x), Kovacs, Arthur Dr. (11x), Arkell, Keith C (11x), Meduna, Eduard (10x), Ivanchuk, Vasyl (10x)
8…a5 — 6.5% (138 parties)
Ambassadeurs : Arkell, Keith C (5x), Tikkanen, Kari (4x), Jordaan, Wayne (3x), Kupreichik, Viktor D (2x), Tal, Mikhail (2x), Petrosian, Tigran V. (2x), Hlavac, Rudolf (2x), Contos, Vaclav (2x)
8…Be7 — 4.3% (91 parties)
Ambassadeurs : De Haseth Pieters Lourens (2x), Zavec, Me (2x), Keres, Paul Petrovich (1x), Barcza, Gedeon (1x), Serra Olives, Tomas (1x), Luckis, Marcos (1x), Glauser, Hansruediger (1x), Dolinar Novak, Barbara (1x)
8…c5 — 3.2% (68 parties)
Ambassadeurs : Stabenow, Juergen (6x), Meier, Hans (2x), Jackl, Guenter (2x), Herborn, Jonas (2x), Jackl, Christian (2x), Darga, Klaus (1x), Donner, Jan-Hein (1x), Gragger, Anton Fritz (1x)
1949 — Fuderer, Andrija vs Matanovic, Aleksandar — 1/2-1/2 — Zagreb ch YUG 1949 — Habermann, Ewald vs Zemgalis, Elmars — 0-1 — Ruit 1955 — Zvorykina, Kira Alekseyevna vs Ignatieva, Olga — 1-0 — Moscow RUS 1957 — Weise, Wolfgang, Dr. vs Pfleger, Helmut, Dr. — 1/2-1/2 — Berlin West 1959 — Kwiatkowski, Seweryn vs Zamikhovsky, Abram — 1/2-1/2 — Kiev UKR
8…a5 — 6.5% (138 parties)
1965 — Kupreichik, Viktor D vs Jedrzejek Czeslaw — 1-0 — Groningen NED 1973 — Tal, Mikhail vs Petrosian, Tigran V. — 0-1 — Moskou ch-URS 1973 — Tal, Mikhail vs Petrosian, Arshak B — 0-1 — chess.net INT 1973 — Micheli, Carlo vs Cappello, Renato — 1-0 — Rome ITA 1973 — Blatny, Frantisek vs Meduna, Eduard — 0-1 — Brno CZE
8…Be7 — 4.3% (91 parties)
1954 — Dolinar Novak, Barbara vs Kausek — 1-0 — Prague CZE 1955 — Keres, Paul Petrovich vs Barcza, Gedeon — 0-1 — Match \ Budapest HUN 1956 — Lipnitsky, Isaac vs Ratner, Boris — 1/2-1/2 — Kiev UKR 1960 — Brat, Vaclav Dr vs De Lange, Daan — 1-0 — corr FS 1962 — Abel Silva Umar, Nader vs Noi — 1-0 — Varna BUL
8…c5 — 3.2% (68 parties)
1962 — Neukirch, Detlef vs Starck, Bodo — 0-1 — Gera GER 1964 — Darga, Klaus vs Donner, Jan-Hein — 1/2-1/2 — Havana CUB 1964 — Gragger, Anton Fritz vs Jansson, Borje — 0-1 — Tel Aviv ISR 1964 — Dueckstein, Andreas vs Barcza, Gedeon — 1-0 — Amsterdam NED 1965 — Winterton, Ken vs Westwall, A. — 1-0 — Ottawa CAN
Karpov, Anatoly — 10 parties
Tal, Mikhail — 6 parties
Karpov, Aleksandr — 6 parties
Smyslov, Vladimir — 4 parties
Kasparov, Garry — 3 parties
Ding, Liren — 1 partie
1949 — Habermann, Ewald vs Zemgalis, Elmars — 0-1 — Ruit
1955 — Zvorykina, Kira Alekseyevna vs Ignatieva, Olga — 1-0 — Moscow RUS
1957 — Weise, Wolfgang, Dr. vs Pfleger, Helmut, Dr. — 1/2-1/2 — Berlin West
1959 — Kwiatkowski, Seweryn vs Zamikhovsky, Abram — 1/2-1/2 — Kiev UKR
1973 — Tal, Mikhail vs Petrosian, Tigran V. — 0-1 — Moskou ch-URS
1973 — Tal, Mikhail vs Petrosian, Arshak B — 0-1 — chess.net INT
1973 — Micheli, Carlo vs Cappello, Renato — 1-0 — Rome ITA
1973 — Blatny, Frantisek vs Meduna, Eduard — 0-1 — Brno CZE
1955 — Keres, Paul Petrovich vs Barcza, Gedeon — 0-1 — Match \ Budapest HUN
1956 — Lipnitsky, Isaac vs Ratner, Boris — 1/2-1/2 — Kiev UKR
1960 — Brat, Vaclav Dr vs De Lange, Daan — 1-0 — corr FS
1962 — Abel Silva Umar, Nader vs Noi — 1-0 — Varna BUL
1964 — Darga, Klaus vs Donner, Jan-Hein — 1/2-1/2 — Havana CUB
1964 — Gragger, Anton Fritz vs Jansson, Borje — 0-1 — Tel Aviv ISR
1964 — Dueckstein, Andreas vs Barcza, Gedeon — 1-0 — Amsterdam NED
1965 — Winterton, Ken vs Westwall, A. — 1-0 — Ottawa CAN