Ambassadeurs : ? (87x), Bakheet Farag (79x), Bellon Lopez, Juan Manuel (79x), Lazarev, Vladimir (76x), Plachetka, Jan (75x), Van Riemsdijk, Herman C. (74x), Fedorowicz, John (71x), Van Wely, Loek (58x)
Ambassadeurs : Degterev, Pavel (38x), Ottenweller, Wolfgang (29x), Pessoa, Francisco Azevedo (28x), Niewold, Jaap (27x), Geiger, Walter (26x), Sokolov, Ivan (26x), Hoang, Thanh Trang (25x), Raats, Tom (25x)
4.Qc2 — 3.9% (2528 parties)
Ambassadeurs : Ilincic, Zlatko (22x), Meduna, Eduard (14x), Moskalenko, Viktor (10x), Voit, Daria (10x), Kempinski, Robert (9x), Machlik, Edit (9x), Horvath, Julia (8x), Egorov, Vladimir (8x)
1950 — Hasek, Josef vs Sefc, Jan — 1-0 — Zlin ch nahra 1951 — Trifunovic, Petar vs Kozomara, Vlado — 1/2-1/2 — Ljubljana ch YUG 1951 — Puc, Stojan vs Kozomara, Vlado — 1-0 — Ljubljana ch YUG 1954 — Palfi, Jakub vs Schneider, Madeleine — 0-1 — Budapest HUN 1954 — Shaposhnikov, Aleksii vs Bastrikov, Georgy — 0-1 — USSR ch
4.Nf3 — 10.5% (6714 parties)
1965 — Ugolyk, Vitaliy vs Tokarev, Aleksandr — 1-0 — ? 1969 — Seid Hee vs Berry, Jonathan — 0-1 — Vancouver 1970 — Malich, Burkhard, Dr. vs Diez del Corral, Jesus — 1/2-1/2 — Siegen olm 1971 — Balashov, Yuri vs Stein, Leonid — 1/2-1/2 — Moscow RUS 1971 — Balashov, Yuri vs Platonov, Igor — 1/2-1/2 — Leningrad ch-URS
4.Qc2 — 3.9% (2528 parties)
1954 — Goodman, John Bertram vs Kitto, Francis E A — 0-1 — Paignton 1958 — Enevoldsen, Harald vs Beyen, Roland — 1-0 — Munchen olm 1965 — Fazekas, Stephan vs Davie, Alexander M — 1-0 — Hastings ch-BCF 1965 — Blachmann, Horst vs Litkiewicz, Kurt — 0-1 — Bourgas BUL 1974 — Thall, Andrew S vs Orlando, Mike — 1-0 — Cincinnati,OH
4.a4 — 2.6% (1682 parties)
1960 — Miguel, Nahuel vs Badiola De Miguel, Carlos — 0-1 — Buenos Aires ARG 1971 — Balcerowski, Witold vs Pokojowczyk, Jerzy — 1-0 — Poznan POL 1971 — Balcerowski, Witold vs Rakay, Kvetoslav — 1-0 — Novy Smokovec SVK 1972 — Peev, Peicho vs Pedersen, Eigil — 0-1 — Skopje MKD 1972 — Rytov, Boris vs Aditya Pola — 0-1 — Tartu
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 9 parties
Anand, Viswanathan — 6 parties
Tal, Mikhail — 4 parties
Ding, Liren — 3 parties
Botvinnik, Mikhail — 2 parties
1951 — Trifunovic, Petar vs Kozomara, Vlado — 1/2-1/2 — Ljubljana ch YUG
1951 — Puc, Stojan vs Kozomara, Vlado — 1-0 — Ljubljana ch YUG
1954 — Palfi, Jakub vs Schneider, Madeleine — 0-1 — Budapest HUN
1954 — Shaposhnikov, Aleksii vs Bastrikov, Georgy — 0-1 — USSR ch
1969 — Seid Hee vs Berry, Jonathan — 0-1 — Vancouver
1970 — Malich, Burkhard, Dr. vs Diez del Corral, Jesus — 1/2-1/2 — Siegen olm
1971 — Balashov, Yuri vs Stein, Leonid — 1/2-1/2 — Moscow RUS
1971 — Balashov, Yuri vs Platonov, Igor — 1/2-1/2 — Leningrad ch-URS
1958 — Enevoldsen, Harald vs Beyen, Roland — 1-0 — Munchen olm
1965 — Fazekas, Stephan vs Davie, Alexander M — 1-0 — Hastings ch-BCF
1965 — Blachmann, Horst vs Litkiewicz, Kurt — 0-1 — Bourgas BUL
1974 — Thall, Andrew S vs Orlando, Mike — 1-0 — Cincinnati,OH
1971 — Balcerowski, Witold vs Pokojowczyk, Jerzy — 1-0 — Poznan POL
1971 — Balcerowski, Witold vs Rakay, Kvetoslav — 1-0 — Novy Smokovec SVK
1972 — Peev, Peicho vs Pedersen, Eigil — 0-1 — Skopje MKD
1972 — Rytov, Boris vs Aditya Pola — 0-1 — Tartu