Ambassadeurs : Bogoljubow, Efim (5x), Euwe, Max (3x), Vidmar Milan (3x), Ahues, Carl (3x), Andersen, Erik (3x), Starck, Bodo (3x), Thomas, George Alan (2x), Pomar Salamanca, Arturo (2x)
10.b3 — 20.2% (339 parties)
Ambassadeurs : Euwe, Max (3x), Larsen, Odd Ingolf (2x), Lamprecht, Mark (2x), Kaeser, Udo, Dr. (2x), Ramirez, Heimy Polgar (2x), Avci, Abdurrahman (2x), Fitzke, Ulrich (2x), Mackenzie, Arthur J (1x)
Euwe, Max — 7 parties Alekhine, Alexander — 2 parties Gukesh D — 1 partie
Parties historiques
10.a4 — 22.4% (376 parties)
1907 — Teichmann, Richard vs Berger, Jacob — 1/2-1/2 — Carlsbad CZE 1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Merano - Meran ITA 1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Meran ITA 1924 — Colle, Edgar vs Euwe, Max — 1-0 — Zutphen m 1924 — Lasker, Edward vs Tartakower, Savielly — 1-0 — New York, NY USA
10.Qe2 — 22.4% (376 parties)
1912 — Alapin, Simon vs Freiman, Andy — 0-1 — Vilnius LTU 1923 — Straat, Evert-Jan vs Euwe, Max — 0-1 — Amsterdam NED 1924 — Tarrasch, Siegbert vs Gruenfeld, Ernst — 1/2-1/2 — Meran ITA 1924 — Muller, Hans vs Master Walter Aira — 1-0 — Gyor 1924 — Van Trotsenburg, B vs Euwe, Max — 0-1 — ?
10.b3 — 20.2% (339 parties)
1924 — Mackenzie, Arthur J vs Euwe, Max — 0-1 — Weston 1924 — Banks, Newell vs Whitaker, Norman — 1/2-1/2 — Detroit, MI USA 1925 — Cs. Nagy, Gabor vs Gruenfeld, Ernst — 0-1 — Debrecen HUN 1926 — Duchamp, Marcel vs Reilly, Brian — 0-1 — Nice FRA 1927 — Nagy, Geza vs Kroone, Gerard — 0-1 — London ENG
10.dxc5 — 10.4% (175 parties)
1914 — Capablanca, Jose vs Bernstein, Ossip — 1/2-1/2 — Moscow RUS 1924 — Kroone, Gerard vs Straat, Evert — 1/2-1/2 — Amsterdam NED 1940 — Donovan, Jeremiah vs Santasiere, Anthony — 0-1 — Ventnor City 1947 — Werner, Maik vs Najdorf, Miguel — 0-1 — San Pablo 1949 — Zirnis, Arvids vs Zemgalis, Elmars — 0-1 — Esslington
Alekhine, Alexander — 2 parties
Gukesh D — 1 partie
1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Merano - Meran ITA
1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Meran ITA
1924 — Colle, Edgar vs Euwe, Max — 1-0 — Zutphen m
1924 — Lasker, Edward vs Tartakower, Savielly — 1-0 — New York, NY USA
1923 — Straat, Evert-Jan vs Euwe, Max — 0-1 — Amsterdam NED
1924 — Tarrasch, Siegbert vs Gruenfeld, Ernst — 1/2-1/2 — Meran ITA
1924 — Muller, Hans vs Master Walter Aira — 1-0 — Gyor
1924 — Van Trotsenburg, B vs Euwe, Max — 0-1 — ?
1924 — Banks, Newell vs Whitaker, Norman — 1/2-1/2 — Detroit, MI USA
1925 — Cs. Nagy, Gabor vs Gruenfeld, Ernst — 0-1 — Debrecen HUN
1926 — Duchamp, Marcel vs Reilly, Brian — 0-1 — Nice FRA
1927 — Nagy, Geza vs Kroone, Gerard — 0-1 — London ENG
1924 — Kroone, Gerard vs Straat, Evert — 1/2-1/2 — Amsterdam NED
1940 — Donovan, Jeremiah vs Santasiere, Anthony — 0-1 — Ventnor City
1947 — Werner, Maik vs Najdorf, Miguel — 0-1 — San Pablo
1949 — Zirnis, Arvids vs Zemgalis, Elmars — 0-1 — Esslington