Ambassadeurs : Epishin, Vladimir (46x), Khenkin, Igor (33x), Nguyen Van Huy (25x), Konopka, Michal (23x), Deforel, Jorge Eduardo (19x), Dreev, Aleksey (17x), Balog, Imre (16x), Horvath, Jozsef (15x)
4…e6 — 28.2% (1387 parties)
Ambassadeurs : Konopka, Michal (16x), Epishin, Vladimir (16x), Jirovsky, Milos (12x), Burmakin, Vladimir (11x), Stefanova, Antoaneta (11x), Priehoda, Vitezslav (9x), Hector, Jonny (9x), Korchnoi, Viktor (7x)
4…Qb6 — 6.3% (310 parties)
Ambassadeurs : Burmakin, Vladimir (6x), Gheorghiu, Florin (5x), Priehoda, Vitezslav (5x), Konopka, Michal (5x), Chloupek, Stanislav (4x), Dumitrache, Dragos-Nicolae (3x), Duong, The Anh (3x), Portisch, Lajos (2x)
Kramnik, Vladimir — 5 parties Kasparov, Garry — 3 parties Anand, Viswanathan — 2 parties Ju, Wenjun — 2 parties Karpov, Anatoly — 1 partie Tal, Mikhail — 1 partie
Parties historiques
4…dxc4 — 57.0% (2800 parties)
1964 — Portisch, Lajos vs Barczay, Laszlo — 1/2-1/2 — Budapest ch-HUN 1965 — Portisch, Lajos vs Lengyel, Levente — 1/2-1/2 — Budapest HUN 1966 — Gheorghiu, Florin vs Neamtu, Serban-Constantin — 1/2-1/2 — Bucharest Bucharest ROM 1966 — Portisch, Lajos vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Santa Monica, CA USA 1966 — Portisch, Lajos vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Santa Monica, CA USA
4…e6 — 28.2% (1387 parties)
1958 — Levin, Mikhail vs Alexander Vivasvaan Chandra — 1/2-1/2 — Kiev UKR 1958 — Füster, Géza vs Sterner, Olof — 1-0 — Munich GER 1960 — Szabo, Laszlo vs Eken, Max — 1/2-1/2 — Leipzig GER 1961 — Bonham, Reginald Walter vs Christensen, Alfred — 1/2-1/2 — Meschede 1965 — Bronstein, David I vs Udovcic, Mijo — 1/2-1/2 — Zagreb CRO
4…Qb6 — 6.3% (310 parties)
1955 — Balanel, Ion vs Bely, Miklos — 1/2-1/2 — Erfurt GER 1964 — Portisch, Lajos vs Uhlmann, Wolfgang — 1/2-1/2 — Sinaia 1965 — Alster, Ladislav vs Jankovec, Ivan — 1-0 — Pardubice CZE 1965 — Portisch, Lajos vs Gheorghiu, Florin — 1-0 — Hamburg etc 1969 — Gheorghiu, Florin vs Teschner, Rudolf — 1-0 — Monte Carlo MNC
4…g6 — 5.2% (257 parties)
1968 — Gheorghiu, Florin vs Hort, Vlastimil — 1/2-1/2 — Skopje MKD 1970 — Gheorghiu, Florin vs Panov, Vasily — 1-0 — Skopje MKD 1971 — Ungureanu, Emil vs Vaisman, Vladimir — 1-0 — Bucharest ROU 1973 — Sosonko, Gennadi vs Romanishin, Oleg M — 0-1 — Amsterdam NED 1977 — Alster, Ladislav vs Kostro, Jerzy — 1-0 — Decin CZE
Kasparov, Garry — 3 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
1965 — Portisch, Lajos vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1966 — Gheorghiu, Florin vs Neamtu, Serban-Constantin — 1/2-1/2 — Bucharest Bucharest ROM
1966 — Portisch, Lajos vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Santa Monica, CA USA
1966 — Portisch, Lajos vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Santa Monica, CA USA
1958 — Füster, Géza vs Sterner, Olof — 1-0 — Munich GER
1960 — Szabo, Laszlo vs Eken, Max — 1/2-1/2 — Leipzig GER
1961 — Bonham, Reginald Walter vs Christensen, Alfred — 1/2-1/2 — Meschede
1965 — Bronstein, David I vs Udovcic, Mijo — 1/2-1/2 — Zagreb CRO
1964 — Portisch, Lajos vs Uhlmann, Wolfgang — 1/2-1/2 — Sinaia
1965 — Alster, Ladislav vs Jankovec, Ivan — 1-0 — Pardubice CZE
1965 — Portisch, Lajos vs Gheorghiu, Florin — 1-0 — Hamburg etc
1969 — Gheorghiu, Florin vs Teschner, Rudolf — 1-0 — Monte Carlo MNC
1970 — Gheorghiu, Florin vs Panov, Vasily — 1-0 — Skopje MKD
1971 — Ungureanu, Emil vs Vaisman, Vladimir — 1-0 — Bucharest ROU
1973 — Sosonko, Gennadi vs Romanishin, Oleg M — 0-1 — Amsterdam NED
1977 — Alster, Ladislav vs Kostro, Jerzy — 1-0 — Decin CZE