Ambassadeurs : Cafferty, Bernard (16x), Korchnoi, Viktor (15x), Pribyl, Josef (10x), Yudasin, Leonid (10x), Timman, Jan H (8x), Schneider, Lars-Ake (7x), Miles, Anthony J (7x), Lerner, Konstantin Z (7x)
4.Nf3 — 15.2% (499 parties)
Ambassadeurs : Revuckij, Vladimir (3x), Ghaem Maghami, Ehsan (3x), Postny, Evgeny (3x), Kazakouski, Valery (3x), Junge, Wolfgang (3x), Anderson, Frank Ross (2x), Sarosy, Zoltan L (2x), Miguel, Nahuel (2x)
4.g3 — 4.9% (161 parties)
Ambassadeurs : Namzhil, Naidan (2x), Sarosy, Zoltan L (2x), Steen, T. (2x), Hecko, Dusan (2x), Ditt, Egon (2x), Kozeny, Pavel (2x), Baron, Daniel (2x), Weber, Raymond (1x)
4.f4 — 3.0% (99 parties)
Ambassadeurs : Seirawan, Yasser (4x), Miezis, Normunds (4x), Rajkovic, Dusan (3x), Coudari, Camille (3x), Wilschut, Peter (3x), Mueller, Karsten, Dr. (2x), Ruckschloss, Karol (2x), Ristic, Nenad (2x)
1950 — Aronin, Lev vs Smyslov, Vasily — 0-1 — Moskou ch-URS 1950 — Monostori, Lajos vs Sebestyen, Balazs — 0-1 — Budapest HUN 1952 — Katalymov, Boris vs Shaposhnikov, Yury — 0-1 — Sochi RUS 1952 — Kottnauer, Cenek vs Cobo Arteaga, Eldis — 1-0 — Helsinki olm 1952 — Chaplinsky, Edgar vs Nei, Iivo — 1/2-1/2 — Riga LAT
4.Nf3 — 15.2% (499 parties)
1950 — Szilagyi, Gyorgy Laszlo vs Füster, Géza — 1-0 — Budapest HUN 1950 — Tartakower, Savielly vs Eken, Max — 1/2-1/2 — Amsterdam NED 1951 — Sarosy, Zoltan L vs Takerer, John — 1-0 — Toronto CAN 1952 — Cafferty, Bernard vs Groucott, E. — 1-0 — Div 1 1953 — Kuebart, Erich vs Krause, Kurt — 0-1 — Jena GER
4.g3 — 4.9% (161 parties)
1952 — Witkowski, Stefan vs Gawlikowski, Stanislaw — 0-1 — Katowice POL 1956 — Loverdos, Spyridon vs Germann, Leo — 0-1 — Moskou olm 1956 — Riddell, John vs O'Kelly de Galway, Alberic — 0-1 — Brussels BEL 1958 — Vukovic, Vladimir vs Sokolov, Vladimir — 0-1 — Sarajevo ch YUG 1960 — Namzhil, Naidan vs Pachman, Ludek — 0-1 — Leipzig GER
4.f4 — 3.0% (99 parties)
1951 — Kopilov, Nikolay Georgiyevich vs Kan, Ilya A — 0-1 — Leningrad RUS 1952 — Sedlacek, Jan vs Redeleit, F — 1-0 — CSR-FRG [Ahues,C 1956 — Puc, Fabrice vs Portisch, Lajos — 0-1 — Ploesti 1959 — Vranesic, Zvonko vs Anderson, Frank Ross — 0-1 — Toronto CAN 1970 — Naranja, Renato vs Larsen, Bent Ravn — 0-1 — Siegen olm Siegen GER
Tal, Mikhail — 3 parties
Kasparov, Garry — 3 parties
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
1950 — Monostori, Lajos vs Sebestyen, Balazs — 0-1 — Budapest HUN
1952 — Katalymov, Boris vs Shaposhnikov, Yury — 0-1 — Sochi RUS
1952 — Kottnauer, Cenek vs Cobo Arteaga, Eldis — 1-0 — Helsinki olm
1952 — Chaplinsky, Edgar vs Nei, Iivo — 1/2-1/2 — Riga LAT
1950 — Tartakower, Savielly vs Eken, Max — 1/2-1/2 — Amsterdam NED
1951 — Sarosy, Zoltan L vs Takerer, John — 1-0 — Toronto CAN
1952 — Cafferty, Bernard vs Groucott, E. — 1-0 — Div 1
1953 — Kuebart, Erich vs Krause, Kurt — 0-1 — Jena GER
1956 — Loverdos, Spyridon vs Germann, Leo — 0-1 — Moskou olm
1956 — Riddell, John vs O'Kelly de Galway, Alberic — 0-1 — Brussels BEL
1958 — Vukovic, Vladimir vs Sokolov, Vladimir — 0-1 — Sarajevo ch YUG
1960 — Namzhil, Naidan vs Pachman, Ludek — 0-1 — Leipzig GER
1952 — Sedlacek, Jan vs Redeleit, F — 1-0 — CSR-FRG [Ahues,C
1956 — Puc, Fabrice vs Portisch, Lajos — 0-1 — Ploesti
1959 — Vranesic, Zvonko vs Anderson, Frank Ross — 0-1 — Toronto CAN
1970 — Naranja, Renato vs Larsen, Bent Ravn — 0-1 — Siegen olm Siegen GER