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B24a — Closed (1902)
1.e4 c5 2.Nc3 Nc6 3.g3 e6
Les coups candidats
4.Bg2 — 97.5% (6820 parties)
Ambassadeurs : Bastian, Herbert (16x), Welz, Peter, Dr. (12x), Guzzetti, Luigi Enrico (11x), Nyback, Tomi (8x), Eckhardt, Claudia (8x), Koukoufikis, Alexandros (8x), Gross, Stefan (7x), Klein, Peter (7x)
4.Nge2 — 1.0% (71 parties)
Ambassadeurs : Hort, Vlastimil (3x), Gharamian, Tigran (2x), Thesing, Matthias (2x), Kuru, Atilla (2x), Cuijpers, Frans Andre (1x), Salazar, Adriana (1x), Gil Reguera, Juan Carlos (1x), Ruiz, Glenn (1x)
4.d3 — 0.8% (59 parties)
Ambassadeurs : Klinger, Josef (2x), Roehrl, Karl (1x), Tolnai, Tibor (1x), Klinger, Jacquelin (1x), Cvetkovic, Simeon (1x), Coudari, Camille (1x), Bosbach, Gerhard (1x), Scholz, Jutta (1x)
4.f4 — 0.3% (22 parties)
Ambassadeurs : Gallrein, V. (2x), Schoenbuchner, Gert (2x), Schreiner, Michael (1x), Kannenberg, Karl-Heinz (1x), Eichenseer, Fritz (1x), Rosner, Gerhard (1x), Jacobi, Felix-Hagen (1x), Helm, Leonie (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Bg2 4.Nge2 4.d3 4.f4
<1800 686 95% 1% 2% 1%
1800-2200 3775 98% 1% 1% 0%
2200-2600 1528 97% 2% 0% 0%
2600+ 18 100%
Évolution par décennie (% des parties)
Décennie N parties 4.Bg2 4.Nge2 4.d3 4.f4
1950s 14 100%
1960s 45 98% 2%
1970s 112 98% 1%
1980s 212 96% 1% 1% 1%
1990s 1316 99% 1% 0% 0%
2000s 2519 97% 1% 1% 0%
2010s 2215 97% 1% 1% 0%
2020s 561 96% 3% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Bg2 97% 96% ▼ -1.7%
4.Nge2 1% 3% ▲ +1.5%
4.d3 1% 1% +0.3%
4.f4 0% 0% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 1 partie
Parties historiques
4.Bg2 — 97.5% (6820 parties)
1950 — Tempelmeier vs Muller, Hans P — 1-0 — GER
1950 — Balogh, Janos vs Honfi, Gyorgy — 1/2-1/2 — Budapest HUN
1950 — Palda, Karl vs Kupferstich, Moises — 1/2-1/2 — Dubrovnik olm
1951 — Koch, Berthold vs Partyka, Kazimierz — 1-0 — Sopot
1951 — Sliwa, Bogdan vs Partyka, Kazimierz — 1-0 — Sopot
4.Nge2 — 1.0% (71 parties)
1967 — Hort, Vlastimil vs Cuijpers, Frans Andre — 1-0 — Halle zt Halle
1983 — Ruiz, Glenn vs Vehre, John — 0-1 — cr.
1986 — Salazar, Adriana vs Gil Reguera, Juan Carlos — 1-0 — Vigo
1986 — Marinkovic, Milan vs Bischoff, Ulrich — 1-0 — OL Wuert 8687
1991 — Baron, Juliana vs Pramann, Adele — 1/2-1/2 — GER-ch U15 Girls
4.d3 — 0.8% (59 parties)
1977 — Coudari, Camille vs Bosbach, Gerhard — 1/2-1/2 — Bern SUI
1987 — Klinger, Josef vs Roehrl, Karl — 0-1 — Graz open
1987 — Klinger, Josef vs Tolnai, Tibor — 0-1 — Dortmund GER
1987 — Klinger, Jacquelin vs Cvetkovic, Simeon — 1/2-1/2 — Liechtenstein
1992 — Scholz, Jutta vs Luft, Helga — 1/2-1/2 — GER
4.f4 — 0.3% (22 parties)
1981 — Kannenberg, Karl-Heinz vs Eichenseer, Fritz — 0-1 — Krumbach
1988 — Gallrein, V. vs Schreiner, Michael — 1-0 — Stetten
1988 — Gallrein, V. vs Rosner, Gerhard — 0-1 — Stetten
1991 — Homonnay, Adam vs Magyar, Istvan — 0-1 — Kastely open
1992 — Agaba Shaul Good vs Stolte Bezerra, Thiago — 1-0 — Duisburg Wch U12m