Ambassadeurs : Hoang, Thanh Trang (14x), De La Riva Aguado, Oscar (7x), Vehre Jr, John L (6x), Reinemer, Frank (6x), Sherwood, Russell (6x), Kahn, Evarth Dr. (5x), Raupp, Thomas (5x), Krizsany, Laszlo (5x)
6…Nc6 — 16.3% (337 parties)
Ambassadeurs : Malaniuk, Vladimir P (12x), Yrjola, Jouni (5x), Pyhala, Antti (4x), Spraggett, Kevin (4x), Suba, Mihai (4x), Polster, Wolfgang, Dr. (3x), Franco Raymundo, Eduardo (3x), Tejero Garces, Jorge (3x)
6…e6 — 5.9% (123 parties)
Ambassadeurs : Ree, Hans (2x), Van Wijgerden, Cornelis (2x), Clemens, Christian, Dr. (2x), Eriksson, Jonas 1981 (2x), Boxall, Ronald Frank (1x), Fazekas, Stephan (1x), Stahlberg, Gideon (1x), Acero, Arnold (1x)
6…c6 — 5.8% (120 parties)
Ambassadeurs : Bakheet Farag (2x), Suba, Mihai (2x), Schott, Detlef (2x), Clemens, Christian, Dr. (2x), Nakagawa, Emiko (1x), McGhee, M. (1x), Botley, Gordon (1x), Collins, Richard (1x)
1950 — Zuikov, Anatoly vs Korchnoi, Viktor — 0-1 — Ch Leningrad 1950 — Zuikov, Anatoly vs Korchnoi, Viktor — 0-1 — Leningrad Leningrad RUS 1953 — Nielsen, Hartvig vs Blom, Kaj — 0-1 — Copenhagen DEN 1954 — Corral, Hector vs Munoz Agullo, Jose Francisco — 1-0 — Montevideo URU 1954 — Ragozin, Viacheslav vs Lutikov, Anatoly S — 0-1 — Leningrad ch22-SU sf
6…Nc6 — 16.3% (337 parties)
1953 — Korchnoi, Viktor vs Kuzminykh, Evgeny — 1-0 — Leningrad RUS 1961 — Klass, Harry vs Haag, Ervin — 0-1 — corr FS 1964 — Bordell Rosell, Roman vs Franco Raymundo, Eduardo — 1/2-1/2 — Las Palmas ESP 1970 — Kozma, Julius vs Menvielle Laccourreye, Augusto — 1-0 — Kapfenberg etc 1972 — Portisch, Lajos vs Menvielle Laccourreye, Augusto — 1-0 — Las Palmas ESP
6…e6 — 5.9% (123 parties)
1953 — Boxall, Ronald Frank vs Fazekas, Stephan — 1-0 — Hastings ENG 1959 — Stahlberg, Gideon vs Acero, Arnold — 1-0 — Vasteras 1969 — Jakobsen, Ole vs Petersen, Finn — 1-0 — Odense DEN 1971 — Witt, Alexander vs Borngaesser, Rene — 0-1 — Stetten 1973 — O'Kelly de Galway, Alberic vs Clemens, Christian, Dr. — 1/2-1/2 — Solingen GER
6…c6 — 5.8% (120 parties)
1970 — Portisch, Lajos vs Naranja, Renato — 1/2-1/2 — Palma de Mallorca izt 1973 — Knol, Dirk L vs Engert, Immo — 1-0 — Bad Mondorf 1973 — Bakheet Farag vs Maroszczyk, V — 1-0 — It Prievidza SVK 1973 — Bakheet Farag vs Maroszczyk, Wieslaw — 1-0 — Prievidza 1974 — Botley, Gordon vs Collins, Richard — 1-0 — Lancaster
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
1950 — Zuikov, Anatoly vs Korchnoi, Viktor — 0-1 — Leningrad Leningrad RUS
1953 — Nielsen, Hartvig vs Blom, Kaj — 0-1 — Copenhagen DEN
1954 — Corral, Hector vs Munoz Agullo, Jose Francisco — 1-0 — Montevideo URU
1954 — Ragozin, Viacheslav vs Lutikov, Anatoly S — 0-1 — Leningrad ch22-SU sf
1961 — Klass, Harry vs Haag, Ervin — 0-1 — corr FS
1964 — Bordell Rosell, Roman vs Franco Raymundo, Eduardo — 1/2-1/2 — Las Palmas ESP
1970 — Kozma, Julius vs Menvielle Laccourreye, Augusto — 1-0 — Kapfenberg etc
1972 — Portisch, Lajos vs Menvielle Laccourreye, Augusto — 1-0 — Las Palmas ESP
1959 — Stahlberg, Gideon vs Acero, Arnold — 1-0 — Vasteras
1969 — Jakobsen, Ole vs Petersen, Finn — 1-0 — Odense DEN
1971 — Witt, Alexander vs Borngaesser, Rene — 0-1 — Stetten
1973 — O'Kelly de Galway, Alberic vs Clemens, Christian, Dr. — 1/2-1/2 — Solingen GER
1973 — Knol, Dirk L vs Engert, Immo — 1-0 — Bad Mondorf
1973 — Bakheet Farag vs Maroszczyk, V — 1-0 — It Prievidza SVK
1973 — Bakheet Farag vs Maroszczyk, Wieslaw — 1-0 — Prievidza
1974 — Botley, Gordon vs Collins, Richard — 1-0 — Lancaster