A02o — Bird (1903)
1.f4 c5 2.Nf3 Nc6
Les coups candidats
3.e3 — 33.8% (676 parties)
Ambassadeurs : Just, Gabriele, Dr. (13x), Heinola, Kari P. (4x), Renard, Stephane (4x), Porper, Edward (3x), Brown, Geoffrey M (3x), Karlsson, Lars 1937 (3x), Ball, Ethan (2x), Heintze, Marion (2x)
3.g3 — 32.7% (654 parties)
Ambassadeurs : Panbukchian, Valentin (19x), Grunberg, Mihai-Lucian (11x), Rocha, Vitor Firmo de Souza (9x), Jakubiec, Artur (8x), Petro, Jozsef (4x), Malaniuk, Vladimir P (4x), Vrban, Damir (4x), Timman, Jan H (3x)
3.b3 — 15.3% (306 parties)
Ambassadeurs : Lammi, Jyri (4x), Diano, Daniel (3x), Kujovic, Michal (3x), Amelang, Astrid (2x), Onsarigo Miron (2x), Marx, Joschka (2x), Matrosov, Vladimir (2x), Van Dooren, Dirk (2x)
Ambassadeurs : Bohn, Thomas, Dr. (7x), Raupp, Thomas (2x), Just, Gabriele, Dr. (2x), Reinderman, Dimitri (2x), Babionyshev, Vladimir (2x), Samolins, Vitalijs (2x), Serwinski, Benedykt (1x), Bednarski, Jacek (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.e3 3.g3 3.b3 3.e4
<1800 136 46% 19% 12% 17%
1800-2200 1001 38% 27% 17% 11%
2200-2600 564 19% 49% 13% 12%
2600+ 2 — — — 50%
Évolution par décennie (% des parties)
Décennie N parties 3.e3 3.g3 3.b3 3.e4
1950s 11 45% 45% — 9%
1960s 21 38% 33% 19% 10%
1970s 57 14% 51% 19% 11%
1980s 67 33% 18% 15% 18%
1990s 391 34% 34% 16% 10%
2000s 685 36% 29% 17% 12%
2010s 634 33% 35% 14% 12%
2020s 133 35% 35% 14% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.e3 33% 35% ▲ +2.1%
3.g3 35% 35% -0.2%
3.b3 14% 14% -0.0%
3.e4 12% 11% ▼ -0.9%
Parties historiques
3.e3 — 33.8% (676 parties)
1951 — Bahro, Tom vs Bajec, Ivo — 1/2-1/2 — Sarajevo BIH
1955 — Milic, Borislav vs Bertok, Mario Jr. — 1/2-1/2 — Ljubljana
1958 — Rodic, Ivana vs Bradvarevic, Aleksandar — 1/2-1/2 — Tuzla
1958 — Dreyer, Kurt vs Böök, Eero — 1/2-1/2 — Munich GER
1959 — Keto, Hannu vs Filipowicz, Andrzej — 0-1 — Budapest HUN
3.g3 — 32.7% (654 parties)
1951 — Basjuni, Sad Zaglul vs Pedersen, Eigil — 1-0 — Marianske Lazne zt
1953 — Stulik, Vlastimil vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1954 — Alster, Ladislav vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1959 — Pelikán, Jiří vs Emma, Jaime — 1-0 — Buenos Aires ARG
1959 — Larsen, Bent Ravn vs Donner, Jan-Hein — 1/2-1/2 — Beverwijk NED
3.b3 — 15.3% (306 parties)
1964 — Ritson-Morry, William vs Griffiths, Peter C — 0-1 — ?
1964 — Christensen, Alfred vs Baretic, Zvonimir — 1/2-1/2 — Bad Kuehlungsborn
1965 — Durst, Uwe vs Ahls — 1-0 — Mannheim GER
1968 — Sammul, Mari vs Muslimova, Aida — 1/2-1/2 — Riga LAT
1970 — Jakobsen, Ole vs Gelfer, Israel — 0-1 — Siegen olm
3.e4 — 11.9% (237 parties)
1953 — Illgen, Hans vs Juehe, Heinrich — 1-0 — Soest NED
1964 — Dreyer, Kurt vs Conrady, Alphonse — 1-0 — Tel Aviv olm
1969 — Serwinski, Benedykt vs Bednarski, Jacek — 0-1 — Lublin POL
1973 — Just, Gabriele, Dr. vs Feibert, Petra — 0-1 — Erfurt GER
1973 — Just, Gabriele, Dr. vs Lehmann, Christina — 0-1 — Erfurt GER