Ambassadeurs : Uhlmann, Wolfgang (15x), Alekseev, Evgeny (14x), Pantsulaia, Levan (14x), Cafferty, Bernard (10x), Speelman, Jon S (9x), Cvek, Robert (8x), Halkias, Stelios (8x), Lintchevski, Daniil (8x)
4.g3 — 38.6% (3667 parties)
Ambassadeurs : Valdes Romero, Leonardo (10x), Szeberenyi, Adam (8x), Konopka, Michal (7x), Tadic, Branko (7x), Capece, Adolivio (5x), Kosny, Marek (5x), Scheipl, Ralf (4x), Corvi, Marco (4x)
4.d4 — 10.6% (1003 parties)
Ambassadeurs : Thurlow, Kevin J (4x), Hlavnicka, Jiri (3x), Radulov, Ivan (3x), Urbanc, Peter (3x), Averbakh, Yuri L (2x), Trifunovic, Petar (2x), Fricker, Jean (2x), Ek, Hans (2x)
4.b3 — 1.3% (120 parties)
Ambassadeurs : Mazurkiewicz, Kazmierz (4x), Brasket, Curt J (3x), Varnusz, Egon (2x), Avery, Rod (2x), Schumacher, Ursula (2x), Hammari, Jan Arnt (2x), Grabczewski, Romuald (1x), Dworzynski, Roman (1x)
1951 — Smyslov, Vasily vs Simagin, Vladimir — 1-0 — Moskou ch-URS 1953 — Filip, Miroslav vs Sajtar, Jaroslav — 1-0 — Teplitz-Schoenau GER 1955 — Pachman, Ludek vs Fuderer, Andrija — 0-1 — Hastings, Sun Lounge 1956 — Pachman, Ludek vs Anay Barche — 1-0 — Moskou olm 1957 — Kholmov, Ratmir D vs Taimanov, Mark — 0-1 — Moskou ch-URS
4.g3 — 38.6% (3667 parties)
1954 — Weiner, Milan vs Fichtl, Jiri — 1-0 — Prague CZE 1954 — Zimmermann, Otto vs Trifunovic, Petar — 1/2-1/2 — Zuerich Zurich SUI 1955 — Grosek, Branko vs Bertok, Mario Jr. — 1/2-1/2 — Ljubljana 1956 — Lisitsin, Georgy vs Averbakh, Yuri L — 0-1 — Leningrad ch-URS 1957 — Holm, Sejer vs Petersen, Finn — 0-1 — Odense DEN
4.d4 — 10.6% (1003 parties)
1954 — Nielsen, Aage Sondergaard vs Trifunovic, Petar — 1/2-1/2 — Amsterdam olm 1954 — Nielsen, Axel vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED 1955 — Boey, Josef vs Boudelet, Georges — 1-0 — Merksem 1956 — Sarosy, Zoltan L vs Barth, Henry — 1-0 — Toronto CAN 1957 — Kots, Yuri I vs Averbakh, Yuri L — 1-0 — Sverdlovsk
4.b3 — 1.3% (120 parties)
1953 — Grabczewski, Romuald vs Dworzynski, Roman — 0-1 — Krakow POL 1966 — Varnusz, Egon vs Szilagyi, Gyorgy Laszlo — 1-0 — Budapest HUN 1967 — Shcherbachenko, Nadezhda vs Pinchuk, Sergey T — 1/2-1/2 — Moscow RUS 1967 — Varnusz, Egon vs Forintos, Gyozo V — 1/2-1/2 — Budapest HUN 1975 — Mann, Richard vs Fannin, R. — 0-1 — Phoenix, AZ USA
Tal, Mikhail — 5 parties
Carlsen, Magnus — 5 parties
Botvinnik, Mikhail — 4 parties
Anand, Viswanathan — 4 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Gukesh D — 3 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 2 parties
1953 — Filip, Miroslav vs Sajtar, Jaroslav — 1-0 — Teplitz-Schoenau GER
1955 — Pachman, Ludek vs Fuderer, Andrija — 0-1 — Hastings, Sun Lounge
1956 — Pachman, Ludek vs Anay Barche — 1-0 — Moskou olm
1957 — Kholmov, Ratmir D vs Taimanov, Mark — 0-1 — Moskou ch-URS
1954 — Zimmermann, Otto vs Trifunovic, Petar — 1/2-1/2 — Zuerich Zurich SUI
1955 — Grosek, Branko vs Bertok, Mario Jr. — 1/2-1/2 — Ljubljana
1956 — Lisitsin, Georgy vs Averbakh, Yuri L — 0-1 — Leningrad ch-URS
1957 — Holm, Sejer vs Petersen, Finn — 0-1 — Odense DEN
1954 — Nielsen, Axel vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
1955 — Boey, Josef vs Boudelet, Georges — 1-0 — Merksem
1956 — Sarosy, Zoltan L vs Barth, Henry — 1-0 — Toronto CAN
1957 — Kots, Yuri I vs Averbakh, Yuri L — 1-0 — Sverdlovsk
1966 — Varnusz, Egon vs Szilagyi, Gyorgy Laszlo — 1-0 — Budapest HUN
1967 — Shcherbachenko, Nadezhda vs Pinchuk, Sergey T — 1/2-1/2 — Moscow RUS
1967 — Varnusz, Egon vs Forintos, Gyozo V — 1/2-1/2 — Budapest HUN
1975 — Mann, Richard vs Fannin, R. — 0-1 — Phoenix, AZ USA