Ambassadeurs : Romanishin, Oleg M (13x), Sax, Gyula (12x), Timman, Jan H (11x), Rajkovic, Dusan (10x), Ftacnik, Lubomir (9x), Tregubov, Pavel V. (9x), Rakic Vulicevic, Marija (8x), Browne, Walter Shawn (7x)
6.Qa4 — 16.0% (212 parties)
Ambassadeurs : Lechtynsky, Jiri (5x), Peev, Peicho (4x), Sax, Gyula (4x), Bonin, Jay (4x), Gulko, Boris (4x), Urkedal, Frode Olav Olsen (4x), Ree, Hans (3x), Van der Wiel, John T.H. (3x)
6.Qb3 — 9.5% (126 parties)
Ambassadeurs : Chandler, Cliff R (6x), Frias Apablaza, Victor (3x), Czerwonski, Aleksander (3x), Perdomo, Leandro (3x), Redzepagic, Rolando (2x), Fedorowicz, John (2x), Kwiatkowski, Feliks J (2x), Aaron Michael P (2x)
6.a3 — 4.1% (54 parties)
Ambassadeurs : Bukal, Vladimir Jr. (4x), Korchnoi, Viktor (2x), Christiansen, Larry (2x), Safin Safarullakhan (2x), Sax, Gyula (2x), Krutyanski, Anatoli A (1x), Bebchuk, Evgeni (1x), Raicevic, Vladimir (1x)
1954 — Kholmov, Ratmir D vs Kopylov, Nazar — 1-0 — Leningrad ch22-SU sf 1971 — Korchnoi, Viktor vs Parma, Bruno — 1-0 — Erevan ARM 1971 — Scholz, Guillermo vs Cruz, Raul C. — 1-0 — ARG-CHI Santiago CHI 1974 — Andrew Veda Watson Solomon vs Christiansen, Larry — 0-1 — 02, Canadian op 1975 — Peev, Peicho vs Garcia Martinez, Silvino — 1-0 — Lublin POL
6.Qa4 — 16.0% (212 parties)
1971 — Portisch, Lajos vs Keres, Paul Petrovich — 1/2-1/2 — Amsterdam NED 1974 — Gulko, Boris vs Katalymov, Boris — 1-0 — USSR 1975 — Heilemann, Paul vs Popov, Georgi — 0-1 — cr. 1977 — Johansson, Magnus vs Enterfeldt, A — 1-0 — ? 1977 — Peev, Peicho vs Pokojowczyk, Jerzy — 1-0 — Smolian-Pamporovo
6.Qb3 — 9.5% (126 parties)
1980 — Kasparov, Garry vs Speelman, Jon S — 1-0 — La Valetta 1980 — Torre, Eugenio vs Alburt, Lev — 1/2-1/2 — Hastings ENG 1980 — Alburt, Lev vs Lein, Andreas — 1/2-1/2 — Hastings ENG 1981 — Begovac, Franja vs Morrison, Robert — 1-0 — Graz WTch jr 1981 — Jussupow, Artur vs Benjamin, Joel — 0-1 — WchT U26 Graz AUT
6.a3 — 4.1% (54 parties)
1968 — Krutyanski, Anatoli A vs Bebchuk, Evgeni — 1-0 — Moscow RUS 1973 — Marcus, Joost vs Bosch van Rosenthal, Edzard — 1-0 — Leeuwarden ch-NED 1981 — Raicevic, Vladimir vs Nikolic, Predrag — 0-1 — YUG-ch Borovo 1982 — Halouzka, Jiri vs Zlebcik, Ladislav — 1-0 — CZE-ch1 corr8284 1985 — Biyiasas, Peter vs Lobo, Richard — 1-0 — ?
Carlsen, Magnus — 5 parties
Hou, Yifan — 4 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
1971 — Korchnoi, Viktor vs Parma, Bruno — 1-0 — Erevan ARM
1971 — Scholz, Guillermo vs Cruz, Raul C. — 1-0 — ARG-CHI Santiago CHI
1974 — Andrew Veda Watson Solomon vs Christiansen, Larry — 0-1 — 02, Canadian op
1975 — Peev, Peicho vs Garcia Martinez, Silvino — 1-0 — Lublin POL
1974 — Gulko, Boris vs Katalymov, Boris — 1-0 — USSR
1975 — Heilemann, Paul vs Popov, Georgi — 0-1 — cr.
1977 — Johansson, Magnus vs Enterfeldt, A — 1-0 — ?
1977 — Peev, Peicho vs Pokojowczyk, Jerzy — 1-0 — Smolian-Pamporovo
1980 — Torre, Eugenio vs Alburt, Lev — 1/2-1/2 — Hastings ENG
1980 — Alburt, Lev vs Lein, Andreas — 1/2-1/2 — Hastings ENG
1981 — Begovac, Franja vs Morrison, Robert — 1-0 — Graz WTch jr
1981 — Jussupow, Artur vs Benjamin, Joel — 0-1 — WchT U26 Graz AUT
1973 — Marcus, Joost vs Bosch van Rosenthal, Edzard — 1-0 — Leeuwarden ch-NED
1981 — Raicevic, Vladimir vs Nikolic, Predrag — 0-1 — YUG-ch Borovo
1982 — Halouzka, Jiri vs Zlebcik, Ladislav — 1-0 — CZE-ch1 corr8284
1985 — Biyiasas, Peter vs Lobo, Richard — 1-0 — ?