Ambassadeurs : Geller, Efim P. (7x), Junge, Wolfgang (6x), Lilienthal, Andor (2x), Bondarevsky, Igor (2x), Bannik, Anatolij (2x), Huicab Puc, Angel Gamaliel (2x), Forintos, Gyozo V (2x), Kholmov, Ratmir D (2x)
11…Nf6 — 11.6% (37 parties)
Ambassadeurs : Junge, Wolfgang (4x), Serper, Grigory (2x), Gadalinski, Jan (1x), Gruenfeld, Ernst (1x), Ilivitsky, Georgy A (1x), Petrosian, Tigran A. (1x), Filip, Marius Liviu (1x), Fischer, Raphael (1x)
11…Rd8 — 11.2% (36 parties)
Ambassadeurs : Junge, Wolfgang (3x), Beliavsky, Alexander G (2x), Brunner, Lucas (2x), Haba, Petr (2x), Germanes, Ramil (2x), Broniek, Mariusz Maciej (2x), Littke, Helmut (2x), Illescas Cordoba, Miguel (1x)
11…c5 — 10.0% (32 parties)
Ambassadeurs : Vaganian, Rafael A (5x), Tal, Mikhail (2x), Adorjan, Andras (2x), Barsov, Alexei (2x), Bobotsov, Milko G (1x), Pietzsch, Wolfgang (1x), Larsen, Bent (1x), Rust, Keith Frederick (1x)
1937 — Budo, Alexander Semenovich vs Ebralidze, Arkhil — 1/2-1/2 — Tbilisi ch-URS 1937 — Lilienthal, Andor vs Makogonov, Vladimir — 0-1 — Tbilisi ch-URS 1945 — Fridstein, German vs Bondarevsky, Igor — 0-1 — Moscow RUS 1947 — Lilienthal, Andor vs Kasparian, Genrikh — 1/2-1/2 — Parnu EST 1955 — Keres, Paul Petrovich vs Geller, Efim P. — 1/2-1/2 — Moskou ch-URS
11…Nf6 — 11.6% (37 parties)
1938 — Gadalinski, Jan vs Gruenfeld, Ernst — 1/2-1/2 — Krakow Krakow POL 1949 — Ilivitsky, Georgy A vs Petrosian, Tigran A. — 1/2-1/2 — Tbilisi GEO 1953 — Newman Caceres, Reynaldo Adolfo vs Trevor Wise Karanja — 1/2-1/2 — Hastings ch-BCF 1955 — Najdorf, Miguel vs Petrosian, Tigran V. — 1/2-1/2 — Goteborg SWE 1962 — Filip, Marius Liviu vs Fischer, Raphael — 1/2-1/2 — Curacao AHO
11…Rd8 — 11.2% (36 parties)
1989 — Illescas Cordoba, Miguel vs Beliavsky, Alexander G — 1/2-1/2 — Barcelona ESP 1993 — Brunner, Lucas vs Haba, Petr — 1-0 — Kecskemet HUN 1993 — Brunner, Lucas vs Haba, Petr — 1-0 — Kecskemet HUN 1998 — Ridolfi, Raffaele vs Picciotti, Francesco — 1/2-1/2 — Vitinia 1999 — Nueesch, Gerard vs Schmidt-Schaeffer, Sebastian, Dr. — 1-0 — Basel SUI
11…c5 — 10.0% (32 parties)
1966 — Bobotsov, Milko G vs Pietzsch, Wolfgang — 1/2-1/2 — La Habana olm fin-A 1981 — Rust, Keith Frederick vs Konieczka, Frank — 1/2-1/2 — GER 1988 — Tal, Mikhail vs Vaganian, Rafael A — 1/2-1/2 — URS ch 46/592 1988 — Larsen, Bent vs Vaganian, Rafael A — 0-1 — Esbjerg DEN 1988 — Tal, Mikhail vs Vaganian, Rafael A — 1/2-1/2 — Moscow RUS
Karpov, Anatoly — 2 parties
1937 — Lilienthal, Andor vs Makogonov, Vladimir — 0-1 — Tbilisi ch-URS
1945 — Fridstein, German vs Bondarevsky, Igor — 0-1 — Moscow RUS
1947 — Lilienthal, Andor vs Kasparian, Genrikh — 1/2-1/2 — Parnu EST
1955 — Keres, Paul Petrovich vs Geller, Efim P. — 1/2-1/2 — Moskou ch-URS
1949 — Ilivitsky, Georgy A vs Petrosian, Tigran A. — 1/2-1/2 — Tbilisi GEO
1953 — Newman Caceres, Reynaldo Adolfo vs Trevor Wise Karanja — 1/2-1/2 — Hastings ch-BCF
1955 — Najdorf, Miguel vs Petrosian, Tigran V. — 1/2-1/2 — Goteborg SWE
1962 — Filip, Marius Liviu vs Fischer, Raphael — 1/2-1/2 — Curacao AHO
1993 — Brunner, Lucas vs Haba, Petr — 1-0 — Kecskemet HUN
1993 — Brunner, Lucas vs Haba, Petr — 1-0 — Kecskemet HUN
1998 — Ridolfi, Raffaele vs Picciotti, Francesco — 1/2-1/2 — Vitinia
1999 — Nueesch, Gerard vs Schmidt-Schaeffer, Sebastian, Dr. — 1-0 — Basel SUI
1981 — Rust, Keith Frederick vs Konieczka, Frank — 1/2-1/2 — GER
1988 — Tal, Mikhail vs Vaganian, Rafael A — 1/2-1/2 — URS ch 46/592
1988 — Larsen, Bent vs Vaganian, Rafael A — 0-1 — Esbjerg DEN
1988 — Tal, Mikhail vs Vaganian, Rafael A — 1/2-1/2 — Moscow RUS