Ambassadeurs : Schmittdiel, Eckhard (7x), Kargoll, Herbert (6x), Ayoola Bernard (6x), Sequeda Ramirez, Pablo (6x), Hermann, Manfred (3x), Hava, Jaroslav (3x), Vesely, Jaromir (3x), Akbaev, Kazbek (3x)
4.e5 — 19.9% (74 parties)
Ambassadeurs : Arrieta Hernandez, Cristian (3x), Wallis, Philip N (2x), Litique, Michel (2x), Compton, Alistair (2x), Friedl, Gerhard (2x), Weber, Rolf (2x), Robinson, John K (1x), Hall, Richard V M (1x)
4.exd5 — 14.2% (53 parties)
Ambassadeurs : Ayoola Bernard (2x), Smederevac, Petar (1x), Alsjo, Sigge (1x), Gabriel Yohan Romero (1x), Aleman Munoz Jorge Luis (1x), Bradvarevic, Aleksandar (1x), Milic, Borislav (1x), Angantysson, Haukur (1x)
1950 — Pogats, Jozsef Jr. vs Florian, Tibor — 1-0 — Budapest HUN 1950 — Rossolimo, Nicolas vs Gudmundsson, Gudbjartur — 0-1 — Amsterdam NED 1951 — Orbaan, Constant vs Vinken, Alex — 0-1 — Amsterdam NED 1951 — Pomar Salamanca, Arturo vs Diez del Corral, Jesus — 0-1 — Barcelona ch 1951 — Jackson, Oliver A vs Smith, Andrew Philip — 0-1 — Fresno
4.e5 — 19.9% (74 parties)
1950 — Alexander, Conol Hugh vs Wallis, Philip N — 1-0 — Buxton 1950 — Alexander, Hugh vs Wallis, Philip N — 1-0 — Buxton 1968 — Gusev, Vladimir A vs Vorobiev, Maksim Al — 1/2-1/2 — Riga LAT 1969 — Robinson, John K vs Hall, Richard V M — 1/2-1/2 — Rhyl 1973 — Paoli, Enrico vs Kriz, Miroslav — 1-0 — Olomouc CZE
4.exd5 — 14.2% (53 parties)
1952 — Gabriel Yohan Romero vs Aleman Munoz Jorge Luis — 1/2-1/2 — Havana CUB 1955 — Smederevac, Petar vs Alsjo, Sigge — 0-1 — Novi Sad SRB 1957 — Bradvarevic, Aleksandar vs Milic, Borislav — 1/2-1/2 — Sombor 1970 — Soelter, Reinhold vs Ayoola Bernard — 1/2-1/2 — Voelklingen GER 1970 — McKay, Roderick M vs Saliba, Alexandre — 1-0 — Siegen olm
4.f3 — 0.5% (2 parties)
2014 — Ribeiro, Sheridan Luiz Telles vs Vieira, Ernando Ferreira — 1-0 — Betim 2015 — Avelino, Camila Biscaya vs Fernandes, Afonso Sampaio S P — 0-1 — Coimbra
1950 — Rossolimo, Nicolas vs Gudmundsson, Gudbjartur — 0-1 — Amsterdam NED
1951 — Orbaan, Constant vs Vinken, Alex — 0-1 — Amsterdam NED
1951 — Pomar Salamanca, Arturo vs Diez del Corral, Jesus — 0-1 — Barcelona ch
1951 — Jackson, Oliver A vs Smith, Andrew Philip — 0-1 — Fresno
1950 — Alexander, Hugh vs Wallis, Philip N — 1-0 — Buxton
1968 — Gusev, Vladimir A vs Vorobiev, Maksim Al — 1/2-1/2 — Riga LAT
1969 — Robinson, John K vs Hall, Richard V M — 1/2-1/2 — Rhyl
1973 — Paoli, Enrico vs Kriz, Miroslav — 1-0 — Olomouc CZE
1955 — Smederevac, Petar vs Alsjo, Sigge — 0-1 — Novi Sad SRB
1957 — Bradvarevic, Aleksandar vs Milic, Borislav — 1/2-1/2 — Sombor
1970 — Soelter, Reinhold vs Ayoola Bernard — 1/2-1/2 — Voelklingen GER
1970 — McKay, Roderick M vs Saliba, Alexandre — 1-0 — Siegen olm
2015 — Avelino, Camila Biscaya vs Fernandes, Afonso Sampaio S P — 0-1 — Coimbra