Ambassadeurs : Petrosian, Tigran V. (3x), Parma, Bruno (3x), Voyska, Margarita (3x), Oll, Lembit (3x), Dzindzichashvili, Roman (3x), Zwolakiewicz, Krzysztof (3x), Santos, Antonio P (3x), Dueckstein, Andreas (2x)
5…b6 — 28.3% (589 parties)
Ambassadeurs : Gipslis, Aivars (4x), Zaitsev, Alexander (2x), Letelier Martner, Rene (2x), Lputian, Smbat (2x), Arkell, Keith C (2x), Csoke, Adrienn (2x), Steczek, Marcin (2x), Vodicka, Milan (2x)
5…Bxc3 — 19.6% (409 parties)
Ambassadeurs : Anka, Emil (3x), Tkachiev, Vladislav (3x), Ivekovic, Tihana (3x), Tregubov, Pavel V. (3x), Christiansen, Larry (2x), Petraki, Maria (2x), Gordon, Stephen J (2x), Krasenkow, Michal (2x)
5…Nc6 — 5.5% (114 parties)
Ambassadeurs : Henrichsen, Jens (4x), Zucchelli, Massimo (4x), Tatai, Stefano (1x), Ivkov, Borislav (1x), Dautov, Rustem (1x), Benjamin, Joel (1x), Michaelsen, Nils (1x), Berndt, Klaus (1x)
1951 — Belem, Humberto Luciano vs German, Eugenio — 0-1 — Fortaleza BRA 1953 — Fielding, Gerald vs Anderson, Frank Ross — 0-1 — Winnipeg ch CAN 1955 — Eros, Plata vs Milner Barry, Philip — 1/2-1/2 — Mont Pelerin sur Vevey 1955 — Benko, Pal vs Petrosian, Tigran V. — 1/2-1/2 — Budapest HUN 1956 — Stahlberg, Gideon vs Sliwa, Bogdan — 1/2-1/2 — Moskou olm
5…b6 — 28.3% (589 parties)
1951 — Hansen, Victor vs Nielsen, Palle — 1/2-1/2 — ? 1953 — Krestini, E. vs Anderson, Frank Ross — 0-1 — Toronto CAN 1953 — Zirngibl, Albert vs Krause, Kurt — 1/2-1/2 — Jena GER 1954 — Moiseev, Oleg vs Vistaneckis, Isakas — 1-0 — Ch URS /2 final) 1956 — GIDEON SUNDAY vs Rejfir, Josef — 1/2-1/2 — Marianske Lazne
5…Bxc3 — 19.6% (409 parties)
1952 — Adhrit Mandal vs Palda, Karl — 1/2-1/2 — Helsinki FIN 1963 — Tavares, da Silva Luiz vs Toth, Peter — 0-1 — ? 1964 — Haygarth, Michael J vs Borja, Meliton — 1/2-1/2 — Tel Aviv olm 1971 — Mititelu, Gheorghe vs Kolarov, Atanas S. — 1/2-1/2 — Luhacovice CZE 1972 — Haecker, Alexander vs Groenegress, Wilfried — 1-0 — Oberursel
5…Nc6 — 5.5% (114 parties)
1978 — Tatai, Stefano vs Ivkov, Borislav — 0-1 — Albufieri 1991 — Pater, Evelien vs Bensouda, S. — 1-0 — Mamaia 1993 — Michaelsen, Nils vs Berndt, Klaus — 1-0 — Germany ch 1993 — Rossen, Anders vs Larsen, Steen — 0-1 — Allerod 1995 — Karpov, Anatoly vs Salov, Valery — 1-0 — Alma Ata KAZ
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
1953 — Fielding, Gerald vs Anderson, Frank Ross — 0-1 — Winnipeg ch CAN
1955 — Eros, Plata vs Milner Barry, Philip — 1/2-1/2 — Mont Pelerin sur Vevey
1955 — Benko, Pal vs Petrosian, Tigran V. — 1/2-1/2 — Budapest HUN
1956 — Stahlberg, Gideon vs Sliwa, Bogdan — 1/2-1/2 — Moskou olm
1953 — Krestini, E. vs Anderson, Frank Ross — 0-1 — Toronto CAN
1953 — Zirngibl, Albert vs Krause, Kurt — 1/2-1/2 — Jena GER
1954 — Moiseev, Oleg vs Vistaneckis, Isakas — 1-0 — Ch URS /2 final)
1956 — GIDEON SUNDAY vs Rejfir, Josef — 1/2-1/2 — Marianske Lazne
1963 — Tavares, da Silva Luiz vs Toth, Peter — 0-1 — ?
1964 — Haygarth, Michael J vs Borja, Meliton — 1/2-1/2 — Tel Aviv olm
1971 — Mititelu, Gheorghe vs Kolarov, Atanas S. — 1/2-1/2 — Luhacovice CZE
1972 — Haecker, Alexander vs Groenegress, Wilfried — 1-0 — Oberursel
1991 — Pater, Evelien vs Bensouda, S. — 1-0 — Mamaia
1993 — Michaelsen, Nils vs Berndt, Klaus — 1-0 — Germany ch
1993 — Rossen, Anders vs Larsen, Steen — 0-1 — Allerod
1995 — Karpov, Anatoly vs Salov, Valery — 1-0 — Alma Ata KAZ