Ambassadeurs : Suetin, Alexey S (9x), Gheorghiu, Florin (7x), Rytov, Boris (4x), Reshevsky, Samuel (4x), Loeffler, Stefan (4x), Petrosian, Tigran V. (3x), Tarjan, James (3x), Gligoric, Svetozar (3x)
9.h3 — 21.5% (229 parties)
Ambassadeurs : Hausrath, Daniel (4x), Morozevich, Alexander (4x), Timoscenko, Gennadij (3x), Gheorghiu, Florin (3x), Flear, Christine (3x), Kuligowski, Adam (2x), Schussler, Harry (2x), Suetin, Alexey S (2x)
9.Qc2 — 13.3% (141 parties)
Ambassadeurs : Eperjesi, Laszlo Dr. (5x), Doda, Zbigniew (2x), Garcia Gonzales, Guillermo (2x), Donaldson, John (2x), Rakic Vulicevic, Marija (2x), Bankmann, Daniel (2x), Averbakh, Yuri L (1x), Veksler, Aleksander L (1x)
Tal, Mikhail — 2 parties Karpov, Aleksandr — 1 partie Anand, Viswanathan — 1 partie Kramnik, Vladimir — 1 partie
Parties historiques
9.Nd2 — 33.8% (360 parties)
1970 — Balogh, Bela vs Dely, Peter — 0-1 — Budapest HUN 1971 — Simon Cobo, Enrique vs Bilek, Istvan — 1-0 — Havana CUB 1971 — Van der Vliet, Fred vs Donner, Jan-Hein — 0-1 — Leeuwarden ch-NED 1971 — Bermudez Lamas, Pablo vs Baez Cobo, Antonio — 1/2-1/2 — Tucuman ARG 1972 — Geller, Efim P. vs Suetin, Alexey S — 1-0 — Kislovodsk
9.h3 — 21.5% (229 parties)
1971 — Lein, Anatoly vs Forintos, Gyozo V — 1/2-1/2 — Moskou-Budapest 1973 — Karpov, Aleksandr vs Rashkovsky, Nukhim N — 1-0 — Moskou ch-URS 1974 — Minev, Nikolay N vs Timoscenko, Gennadij — 1/2-1/2 — Rimavska Sobota SVK 1974 — Gligoric, Svetozar vs Timman, Jan H — 1/2-1/2 — Nice olm fin-A 1975 — Donner, Jan-Hein vs Kavalek, Lubomir — 1/2-1/2 — Wijk aan Zee NED
9.Qc2 — 13.3% (141 parties)
1970 — Lagha, Khelil vs Hasan, Hasibul — 0-1 — Siegen GER 1972 — Kozma, Julius vs Polugaevsky, Lev — 0-1 — Kislovodsk 1973 — Veksler, Aleksander L vs Shestoperov, Aleksej — 1/2-1/2 — ? 1973 — Eperjesi, Laszlo Dr. vs Adorjan, Andras — 1/2-1/2 — HUN 1975 — Nemet, Ivan vs Antunac, Goran — 0-1 — Yugoslavia
9.dxe6 — 12.9% (137 parties)
1968 — Lengyel, Laszlo vs Bilek, Istvan — 0-1 — HUN 1969 — Polugaevsky, Lev vs Bilek, Istvan — 1-0 — Buesum GER 1969 — Polugaevsky, Lev vs Bilek, Istvan — 1-0 — Buesum 1971 — Hartoch, Robert G vs Adorjan, Andras — 1/2-1/2 — Wijk aan Zee NED 1971 — Toth, Bela vs Adorjan, Andras — 1/2-1/2 — HUN
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
1971 — Simon Cobo, Enrique vs Bilek, Istvan — 1-0 — Havana CUB
1971 — Van der Vliet, Fred vs Donner, Jan-Hein — 0-1 — Leeuwarden ch-NED
1971 — Bermudez Lamas, Pablo vs Baez Cobo, Antonio — 1/2-1/2 — Tucuman ARG
1972 — Geller, Efim P. vs Suetin, Alexey S — 1-0 — Kislovodsk
1973 — Karpov, Aleksandr vs Rashkovsky, Nukhim N — 1-0 — Moskou ch-URS
1974 — Minev, Nikolay N vs Timoscenko, Gennadij — 1/2-1/2 — Rimavska Sobota SVK
1974 — Gligoric, Svetozar vs Timman, Jan H — 1/2-1/2 — Nice olm fin-A
1975 — Donner, Jan-Hein vs Kavalek, Lubomir — 1/2-1/2 — Wijk aan Zee NED
1972 — Kozma, Julius vs Polugaevsky, Lev — 0-1 — Kislovodsk
1973 — Veksler, Aleksander L vs Shestoperov, Aleksej — 1/2-1/2 — ?
1973 — Eperjesi, Laszlo Dr. vs Adorjan, Andras — 1/2-1/2 — HUN
1975 — Nemet, Ivan vs Antunac, Goran — 0-1 — Yugoslavia
1969 — Polugaevsky, Lev vs Bilek, Istvan — 1-0 — Buesum GER
1969 — Polugaevsky, Lev vs Bilek, Istvan — 1-0 — Buesum
1971 — Hartoch, Robert G vs Adorjan, Andras — 1/2-1/2 — Wijk aan Zee NED
1971 — Toth, Bela vs Adorjan, Andras — 1/2-1/2 — HUN