Ambassadeurs : Jansa, Vlastimil (5x), Arkell, Keith C (4x), Stluka, Petr (3x), Sveshnikov, Evgeny (3x), Jones, Stephen (3x), Schlenga, Klaus (2x), Ginsburg, Mark (2x), Fernandez Gonzalez, Juan Alfonso (2x)
7.Qb3 — 38.8% (647 parties)
Ambassadeurs : Rantanen, Yrjo A. (8x), Kopp, Peter, Dr. (7x), Banas, Jan (7x), ? (6x), Zelcic, Robert (5x), Chekhov, Sergei (4x), Schmitzer, Klaus (4x), De Jong, Tom (3x)
7.Nf3 — 12.9% (215 parties)
Ambassadeurs : Seirawan, Yasser (2x), Tkachuk, Sergij, Dr. (2x), Gabrielsen, Trond (2x), Hansen, Tommy (2x), Tringov, Georgi P (1x), Benko, Pal (1x), Kots, Yuri I (1x), Lukjanenko, Alexander (1x)
7.Bb5+ — 4.1% (69 parties)
Ambassadeurs : Douven, Rudy (2x), Elistratov, Alik (1x), Seredenko, Vladimir (1x), Ostermeyer, Peter, Dr. (1x), Lutz, Christopher (1x), Karpov, Anatoly (1x), Miles, Anthony J (1x), Gobet, Fernand (1x)
1959 — Dely, Peter vs Hevizi, Laszlo Dr — 1/2-1/2 — Budapest HUN 1963 — Robatsch, Karl vs Pachman, Ludek — 1/2-1/2 — Havana CUB 1965 — Petkevich, Jusefs vs Tal, Mikhail — 1/2-1/2 — Riga LAT 1966 — Pellegrino, Jean vs Javelle, Gabriel — 0-1 — Grenoble FRA 1966 — Aijala, Jouko vs Stefanov, Jordan — 0-1 — WchTJ U26 fin-A
7.Qb3 — 38.8% (647 parties)
1964 — Sakharov, Yuri N vs Lazarev, Efim M. — 1-0 — Kiev UKR 1964 — Sakharov, Yuri N vs Alexander, Ken R D — 1/2-1/2 — Kiev UKR 1965 — Gligoric, Sofija vs Marovic, Drazen — 0-1 — Zagreb CRO 1967 — Degenhardt, Norbert vs Delander, Adolf — 0-1 — GER 1968 — Moehring, Guenther vs Schmidt, Hermann — 1-0 — Weimar ch DDR
7.Nf3 — 12.9% (215 parties)
1964 — Tringov, Georgi P vs Benko, Pal — 1/2-1/2 — Amsterdam izt 1967 — Kots, Yuri I vs Lukjanenko, Alexander — 1/2-1/2 — Kiev UKR 1972 — Trois, Francisco R.T. vs Bonner, Gerald — 1-0 — Skopje MKD 1977 — Nun, Jiri vs Gipslis, Aivars — 1/2-1/2 — Hradec Kralove CZE 1978 — Sanz, Joel vs Ermenkov, Evgenij — 1/2-1/2 — Alicante ESP
7.Bb5+ — 4.1% (69 parties)
1964 — Elistratov, Alik vs Seredenko, Vladimir — 1-0 — ? 1972 — ? vs Vukic, Milan — 1/2-1/2 — Sarajevo BIH 1977 — Van der Poel, Henk vs Douven, Rudy — 1-0 — ? 1981 — Karpov, Anatoly vs Miles, Anthony J — 1-0 — Amsterdam NED 1981 — Iskov, Gert vs Josephs, Ian — 1-0 — Ramsgate
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
1963 — Robatsch, Karl vs Pachman, Ludek — 1/2-1/2 — Havana CUB
1965 — Petkevich, Jusefs vs Tal, Mikhail — 1/2-1/2 — Riga LAT
1966 — Pellegrino, Jean vs Javelle, Gabriel — 0-1 — Grenoble FRA
1966 — Aijala, Jouko vs Stefanov, Jordan — 0-1 — WchTJ U26 fin-A
1964 — Sakharov, Yuri N vs Alexander, Ken R D — 1/2-1/2 — Kiev UKR
1965 — Gligoric, Sofija vs Marovic, Drazen — 0-1 — Zagreb CRO
1967 — Degenhardt, Norbert vs Delander, Adolf — 0-1 — GER
1968 — Moehring, Guenther vs Schmidt, Hermann — 1-0 — Weimar ch DDR
1967 — Kots, Yuri I vs Lukjanenko, Alexander — 1/2-1/2 — Kiev UKR
1972 — Trois, Francisco R.T. vs Bonner, Gerald — 1-0 — Skopje MKD
1977 — Nun, Jiri vs Gipslis, Aivars — 1/2-1/2 — Hradec Kralove CZE
1978 — Sanz, Joel vs Ermenkov, Evgenij — 1/2-1/2 — Alicante ESP
1972 — ? vs Vukic, Milan — 1/2-1/2 — Sarajevo BIH
1977 — Van der Poel, Henk vs Douven, Rudy — 1-0 — ?
1981 — Karpov, Anatoly vs Miles, Anthony J — 1-0 — Amsterdam NED
1981 — Iskov, Gert vs Josephs, Ian — 1-0 — Ramsgate