C25k — Vienna (1900)
1.e4 e5 2.Nc3 Nc6 3.Bc4 Bc5 4.d3
Les coups candidats
4…d6 — 56.2% (480 parties)
Ambassadeurs : Schlichthaar, Robert (3x), Enevoldsen, Jens (2x), Keitlinghaus, Ludger (2x), Hodak, Stevo (2x), Finkel, Alexander (2x), Mareckova, Martina (2x), Ocko, Dominik (2x), Germanovs, Georgijs (2x)
Ambassadeurs : Seel, Franziska (3x), Bisguier, Arthur B (2x), O'Keefe, T. (1x), Pope, John (1x), Falconer, Niel (1x), Foster, Fenella (1x), Connolly, Suzanne (1x), Gergs, Wolfgang (1x)
4…h6 — 7.1% (61 parties)
Ambassadeurs : Christensen, Eivind Bagh (2x), Von Herman, Brigitte (1x), Harten, Jan (1x), Denny, Kevin (1x), Greenidge, Kevin (1x), Soudre, Nicolas (1x), Houle, Mathieu (1x), Wroblewski, Szymon (1x)
4…Na5 — 5.2% (44 parties)
Ambassadeurs : Iza Abete, Amaia (2x), Tischbierek, Raj (1x), Weyrich, Olaf (1x), Schreiner, Richard (1x), Schoellmann, Jochen (1x), Botta, Matej Ing (1x), Hrusovsky, Jan (1x), Erenska-Barlo, Hanna (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…d6 4…Nf6 4…h6 4…Na5
<1800 95 51% 34% 7% 2%
1800-2200 400 60% 24% 6% 6%
2200-2600 151 58% 30% 1% 7%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 4…d6 4…Nf6 4…h6 4…Na5
1950s 1 100%
1960s 12 83% 8%
1970s 10 70% 20% 10%
1980s 16 56% 25% 6%
1990s 168 55% 28% 7% 6%
2000s 319 60% 24% 8% 4%
2010s 232 56% 28% 7% 6%
2020s 96 43% 38% 6% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…d6 56% 43% ▼ -12.9%
4…Nf6 28% 38% ▲ +9.5%
4…h6 7% 6% ▼ -0.6%
4…Na5 6% 8% ▲ +2.7%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 1 partie
Parties historiques
4…d6 — 56.2% (480 parties)
1952 — Barden, Leonard vs Levy, Pascal — 1-0 — Helsinki olm
1960 — Larsen, Bent Ravn vs Enevoldsen, Jens — 0-1 — Copenhagen DEN
1962 — Orev, Petar vs Ajanski, Jordan S — 1-0 — Sofia BUL
1965 — OBrien, Erik Michael vs Hill, Leonard G — 1-0 — San Jose
1965 — Gohlke, Herbert vs Geissert, Eberhard — 1-0 — Bourgas BUL
4…Nf6 — 26.9% (230 parties)
1960 — O'Keefe, T. vs Bisguier, Arthur B — 0-1 — St Louis
1970 — Westerinen, Heikki M.J. vs Prins, Lodewijk — 0-1 — Amsterdam NED
1974 — Pope, John vs Falconer, Niel — 1-0 — ?
1981 — Gergs, Wolfgang vs Zieher, Hartmut — 1/2-1/2 — Duitsland tt
1987 — Lotzien, Hans vs Brueggemann, Joachim — 1/2-1/2 — Godes
4…h6 — 7.1% (61 parties)
1988 — Von Herman, Brigitte vs Harten, Jan — 1/2-1/2 — Regional-Liga NN
1990 — Dubisch, Ralph vs McCready, Phillip — 1-0 — NWC February
1992 — Bosbach, Manfred vs Paul, Georg — 1-0 — Bergisch Gladbach
1994 — Franke, Martina vs Brandes, Christine — 0-1 — GER
1996 — Christensen, Eivind Bagh vs Scalisi, Carmelo — 1-0 — Hiddenhausen
4…Na5 — 5.2% (44 parties)
1976 — Tischbierek, Raj vs Weyrich, Olaf — 1-0 — Halberstadt
1991 — Kaim, Piotr vs Aleksandrov, Aleksej — 0-1 — Polanica Zdroj POL
1993 — Ortel, Endre vs Szabo, Zoltan — 1/2-1/2 — Hungary 2 tt
1994 — Maros, Milan vs Boudenne, Jean-Baptiste — 0-1 — Baile Herculane
1995 — Schreiner, Richard vs Schoellmann, Jochen — 1/2-1/2 — Oberliga Bayern9495