A44p — Czech
1.d4 c5 2.d5 e5 3.e4 d6 4.Bd3
Eval: [+1.32]
Les coups candidats
4…Be7 — 42.2% (160 parties)
Ambassadeurs : Huss, Andreas (3x), Guerra, Victor (3x), Rahls, Peter (3x), Knaak, Rainer (2x), Muellneritsch, Anton (2x), Vedrickiene, Jovita (2x), Jocev, Milan (2x), Saunders, Harold (1x)
4…g6 — 26.4% (100 parties)
Ambassadeurs : Alatortsev, Vladimir N. (2x), Kazic, Bozidar (2x), Tot, Bora (2x), Winz, Victor (2x), Rabar, Braslav (2x), Del Pezzo, Gaetano (2x), Porreca, Giorgio (2x), Day, Lawrence A. (2x)
4…Ne7 — 13.7% (52 parties)
Ambassadeurs : Kieninger, Georg (2x), Ljungquist, Lennart (2x), Porath, Yosef (2x), Leuba, Didier (2x), Groenegress, Wilfried (2x), Foltys, Jan (1x), Gereben, Erno (1x), Rubinstein, Akiba (1x)
4…Nf6 — 9.2% (35 parties)
Ambassadeurs : Ciocaltea, Victor (2x), Peterwagner, Heinz (2x), Szabo, Ladislav (1x), Kluger, Gyula (1x), Trifunovic, Petar (1x), Pelikan, Jan (1x), Kramer, Haije (1x), Grob, Henry (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…g6 4…Ne7 4…Nf6
<1800 9 44% 11% 11% 11%
1800-2200 131 44% 27% 11% 11%
2200-2600 104 70% 12% 5% 7%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…g6 4…Ne7 4…Nf6
1910s 1 100%
1920s 1 100%
1930s 17 76% 6% 12%
1940s 9 11% 56% 22% 11%
1950s 21 10% 43% 29% 5%
1960s 36 17% 39% 25% 8%
1970s 25 36% 12% 36% 8%
1980s 25 36% 16% 28% 16%
1990s 59 56% 20% 10% 7%
2000s 100 51% 25% 6% 10%
2010s 73 60% 16% 5% 7%
2020s 12 33% 25% 8% 25%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 60% 33% ▼ -26.9%
4…g6 16% 25% ▲ +8.6%
4…Ne7 5% 8% ▲ +2.9%
4…Nf6 7% 25% ▲ +18.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 2 parties
Parties historiques
4…Be7 — 42.2% (160 parties)
1929 — Saunders, Harold vs Tartakower, Savielly — 1-0 — Scarborough ENG
1942 — Vorkapich vs Hufnagel, Leo — 1-0 — Hollywood, CA
1954 — Bruemmer, Ullrich vs Eising, Johannes — 1/2-1/2 — Schkopau
1957 — Neikirkh, Oleg vs Beni, Alfred — 1/2-1/2 — Sofia zt Sofia BUL
1962 — Eliskases, Erich vs Farah, Rodolfo — 1-0 — Buenos Aires ARG
4…g6 — 26.4% (100 parties)
1935 — Lilienthal, Andor vs Betbeder Matibet, Louis — 1-0 — Warsaw ol Warsaw POL
1935 — Alatortsev, Vladimir N. vs Riumin, Nikolai — 1-0 — Moskou
1935 — Brody, Miklos vs Michel, Walter — 1-0 — Warsaw olm
1935 — Reshevsky, Samuel vs Seitz, Jakob Adolf — 1-0 — Great Yarmouth
1935 — Napolitano, Mario vs Winz, Victor — 0-1 — Warsaw POL
4…Ne7 — 13.7% (52 parties)
1919 — Rubinstein, Akiba vs Spielmann, Rudolf — 0-1 — Stockholm SWE
1936 — Kmoch, Hans vs Alekhine, Alexander — 0-1 — Amsterdam NED
1940 — Sournin, Vladimir vs Mengarini, Ariel — 0-1 — Washington, DC USA
1948 — Foltys, Jan vs Gereben, Erno — 1-0 — Budapest Budapest HUN
1954 — Podgorny, Jiri vs Fichtl, Jiri — 1/2-1/2 — Prague CZE
4…Nf6 — 9.2% (35 parties)
1937 — Szabo, Ladislav vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1937 — Trifunovic, Petar vs Pelikan, Jan — 1/2-1/2 — Prague CZE
1949 — Kramer, Haije vs Grob, Henry — 0-1 — Lucerne SUI
1953 — Sandor, Bela vs Koberl, Ferenc — 0-1 — Budapest HUN
1964 — Malich, Burkhard, Dr. vs Ciocaltea, Victor — 1/2-1/2 — Sinaia