Ambassadeurs : Baron Rodriguez, Jesus (5x), Domingo Gadea, Jordi (5x), Gyimesi, Zoltan (3x), Dang The Nam (3x), Lu, Shanglei (3x), Jurcik, Martin (3x), Solys, Laimutis (3x), Tartakower, Savielly (2x)
4…Nf6 — 21.6% (172 parties)
Ambassadeurs : Kantyshev, Nikita (3x), Varinelli, Sara (2x), Reitinger, Petr (2x), Richter, Stefan (2x), Seegers, Hendrik (2x), Ortegon Villacorte, Linda Daniela (2x), Haberditz, H. (1x), Prohaska, Paul (1x)
4…Bb4 — 15.3% (122 parties)
Ambassadeurs : Jonkman, Harmen (2x), Jokmin, Alex (2x), Davidson, Eric (2x), Petidis, Kostas (2x), D'Emilia Jack (2x), Nino Nohle, Leonardo Rafael (1x), Coil (1x), Carlsson, Goran (1x)
1910 — Duz-Khotimirsky, Fedor Ivanovich vs Důras, Oldřich — 1/2-1/2 — Hamburg GER 1922 — Tartakower, Savielly vs Wolf, Hans-Josef — 1-0 — Vienna AUT 1923 — Rubinstein, Akiba vs Pokorny, Alois — 1/2-1/2 — Maehrisch Ostrau 1925 — Marshall, Frank vs Tartakower, Savielly — 1/2-1/2 — Baden-Baden GER 1925 — Gruenfeld, Ernst vs Rubinstein, Akiba — 1/2-1/2 — Baden-Baden GER
4…Nf6 — 21.6% (172 parties)
1900 — Marshall, Frank vs Roething, Otto — 1/2-1/2 — New York, NY USA 1925 — Verlinsky, Boris vs Ilyin Zhenevsky, Alexander — 1-0 — Moscow RUS 1948 — Haberditz, H. vs Prohaska, Paul — 1-0 — Austria 1969 — Davis Wanjala vs Visser, Wim — 1-0 — ? 1972 — D'Haens, Charles vs Frauenfelder, Ernest — 0-1 — Pula CRO
4…Bb4 — 15.3% (122 parties)
1978 — Foo Lun Choon vs Talha Ali Kheiri — 1-0 — Buenos Aires ARG 1978 — Wirtz Bernhard vs Zrowothke, V — 1-0 — GER 1984 — Nino Nohle, Leonardo Rafael vs Coil — 1-0 — Cincinnati 1987 — Carlsson, Goran vs Svedenklint, Stig — 1-0 — Jonkoping 1988 — Zielke, Bernd vs Kluver, Horst — 0-1 — Landes-Einzelmeister
4…Nc6 — 12.7% (101 parties)
1973 — Chaos Fraiz, Jose Manuel vs Ches, Kalina — 1-0 — ACM Atlanta 1992 — Fernschild, Bernd vs Fleck, Norbert — 1-0 — GER 1992 — Rehberg Anja vs Wenke, Petra — 1/2-1/2 — GER 1993 — Ulburghs, Piet vs Cuyvers, Lucien — 1-0 — Lommel 1994 — James Russell Demyer vs Carpenter, Sergio — 0-1 — Grand Rapids ch-MI amateu
1922 — Tartakower, Savielly vs Wolf, Hans-Josef — 1-0 — Vienna AUT
1923 — Rubinstein, Akiba vs Pokorny, Alois — 1/2-1/2 — Maehrisch Ostrau
1925 — Marshall, Frank vs Tartakower, Savielly — 1/2-1/2 — Baden-Baden GER
1925 — Gruenfeld, Ernst vs Rubinstein, Akiba — 1/2-1/2 — Baden-Baden GER
1925 — Verlinsky, Boris vs Ilyin Zhenevsky, Alexander — 1-0 — Moscow RUS
1948 — Haberditz, H. vs Prohaska, Paul — 1-0 — Austria
1969 — Davis Wanjala vs Visser, Wim — 1-0 — ?
1972 — D'Haens, Charles vs Frauenfelder, Ernest — 0-1 — Pula CRO
1978 — Wirtz Bernhard vs Zrowothke, V — 1-0 — GER
1984 — Nino Nohle, Leonardo Rafael vs Coil — 1-0 — Cincinnati
1987 — Carlsson, Goran vs Svedenklint, Stig — 1-0 — Jonkoping
1988 — Zielke, Bernd vs Kluver, Horst — 0-1 — Landes-Einzelmeister
1992 — Fernschild, Bernd vs Fleck, Norbert — 1-0 — GER
1992 — Rehberg Anja vs Wenke, Petra — 1/2-1/2 — GER
1993 — Ulburghs, Piet vs Cuyvers, Lucien — 1-0 — Lommel
1994 — James Russell Demyer vs Carpenter, Sergio — 0-1 — Grand Rapids ch-MI amateu