C28b —
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 4.f4
Les coups candidats
4…Nxe4 — 28.3% (156 parties)
Ambassadeurs : Prins, Lodewijk (3x), Helin, Mikael (3x), Richardson, David (3x), Bohak, Janko (2x), Kuyindzhi, Alexander A (2x), Curdo, John (2x), Kulhanek, Tomas (2x), Fischer, Robert J (1x)
4…Bc5 — 21.4% (118 parties)
Ambassadeurs : Bak, Karol (2x), Keres, Paul (1x), Bronstein, David I (1x), Suttles, Duncan (1x), Macskasy, Elod (1x), Barry Dickson (1x), Susco, Giuseppe Junior (1x), Fischer, Robert J (1x)
4…d6 — 20.9% (115 parties)
Ambassadeurs : Barry Dickson (2x), Deyo (1x), Magee Lee (1x), Fajans, Harry (1x), Fischer, Robert J (1x), Ermidis, N. (1x), Patteson, Bill L (1x), Rivera, Donato (1x)
4…exf4 — 16.7% (92 parties)
Ambassadeurs : Horvath, Peter (2x), Tal, Mikhail (1x), Lotsov Har-Zahav, Avraham (1x), Thacker, Ronald (1x), Hoppe, Roy (1x), Popela, Pavel (1x), Simek, Petr (1x), Dragasevic, Antonina (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nxe4 4…Bc5 4…d6 4…exf4
<1800 68 28% 16% 28% 18%
1800-2200 210 24% 24% 20% 18%
2200-2600 71 51% 25% 10% 10%
2600+ 2 100%
Évolution par décennie (% des parties)
Décennie N parties 4…Nxe4 4…Bc5 4…d6 4…exf4
1950s 11 36% 18% 18% 18%
1960s 23 48% 26% 17%
1970s 30 53% 13% 20% 10%
1980s 35 20% 20% 29% 14%
1990s 118 30% 17% 25% 19%
2000s 170 21% 27% 17% 19%
2010s 134 29% 22% 17% 17%
2020s 30 27% 10% 40% 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nxe4 29% 27% ▼ -2.4%
4…Bc5 22% 10% ▼ -12.4%
4…d6 17% 40% ▲ +22.8%
4…exf4 17% 17% -0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Parties historiques
4…Nxe4 — 28.3% (156 parties)
1951 — Prins, Lodewijk vs Enevoldsen, Jens — 1/2-1/2 — Travemuende
1952 — Prins, Lodewijk vs Lokvenc, Josef — 1-0 — Helsinki olm
1952 — Prins, Lodewijk vs Stoltz, Gösta — 0-1 — Stockholm izt
1957 — Yarmak, Saul vs Rivise, Irving — 1/2-1/2 — Los Angeles, CA USA
1960 — Mott Smith, KO. vs Curdo, John — 1/2-1/2 — cr.
4…Bc5 — 21.4% (118 parties)
1952 — Norcia, Federico vs Kinzel, Anton — 1/2-1/2 — Italy
1956 — Keres, Paul vs Bronstein, David I — 1/2-1/2 — Amsterdam NED
1962 — Enevoldsen, Jens vs O'Kelly de Galway, Alberic — 0-1 — Lasker mem Berlin-Ost
1964 — Fischer, Robert J vs Shifrine, M. — 1-0 — Davis simultaan
1965 — Suttles, Duncan vs Macskasy, Elod — 1/2-1/2 — Vancouver ch CAN
4…d6 — 20.9% (115 parties)
1951 — Magee Lee vs Fajans, Harry — 1-0 — Forth Worth
1959 — Patteson, Bill L vs Rivera, Donato — 0-1 — Omaha
1964 — Barry Dickson vs Deyo — 1-0 — Rhode Island
1964 — Fischer, Robert J vs Ermidis, N. — 1-0 — Houston simultaan
1965 — Barry Dickson vs Akampumuza Blair — 0-1 — Rhode Island
4…exf4 — 16.7% (92 parties)
1951 — Tal, Mikhail vs Lotsov Har-Zahav, Avraham — 1-0 — Riga LAT
1957 — Thacker, Ronald vs Hoppe, Roy — 1-0 — San Francisco, CA USA
1976 — Belle, Arthur vs Coko, Senad — 1/2-1/2 — Edmonton
1977 — Popela, Pavel vs Simek, Petr — 1-0 — Czechoslovakia
1978 — Binham, Timothy F. vs Haraldsson Heidbjartur Oli — 1-0 — Hvidovre