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A25i — Closed (1923)
1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2
Les coups candidats
Ambassadeurs : Kupreichik, Viktor D (17x), Ljubojevic, Ljubomir (13x), Troeger, Paul (12x), Zmijanac, Dusko (7x), Enevoldsen, Jens (6x), Foisor, Cristina-Adela (6x), Weil, Michael (6x), Gerusel, Mathias (5x)
4…g6 — 26.7% (946 parties)
Ambassadeurs : Brodie, Hugh (9x), Mokry, Karel (7x), Mnatsakanian, Eduard A (5x), Wiesner, Gundula (5x), Groenegress, Wilfried (4x), Spassky, Boris Vasily (3x), Kholmov, Ratmir D (3x), Shtern, Igor (3x)
4…f5 — 9.7% (342 parties)
Ambassadeurs : Alekseenko, Kirill (6x), Lukin, Andrei M (4x), Titz, Heimo (3x), Razin, Vadim (3x), Abdou, William (2x), Tarin, Nicolas (2x), Hoelzl, Franz (2x), Sobolevsky, Leonid (2x)
4…Nf6 — 5.4% (190 parties)
Ambassadeurs : Hoiberg, Nina (3x), Wolk, Christine (3x), Schaefer, Richard (2x), Schneider, Waldemar (2x), Palmiotto, Fiorentino (1x), Siveri, Armando (1x), Botvinnik, Mikhail (1x), Smyslov, Vladimir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be6 4…g6 4…f5 4…Nf6
<1800 224 34% 21% 11% 13%
1800-2200 1521 49% 26% 12% 5%
2200-2600 1156 59% 29% 8% 2%
2600+ 24 29% 54% 12% 4%
Évolution par décennie (% des parties)
Décennie N parties 4…Be6 4…g6 4…f5 4…Nf6
1950s 17 29% 41% 12%
1960s 103 35% 48% 4% 2%
1970s 120 42% 40% 8% 6%
1980s 231 60% 27% 7% 3%
1990s 758 49% 27% 9% 5%
2000s 1059 48% 24% 11% 6%
2010s 1024 53% 24% 10% 5%
2020s 228 39% 32% 11% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be6 53% 39% ▼ -13.9%
4…g6 24% 32% ▲ +8.2%
4…f5 10% 11% ▲ +1.2%
4…Nf6 5% 6% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Gukesh D — 5 parties
Botvinnik, Mikhail — 3 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 3 parties
Parties historiques
4…Be6 — 49.1% (1737 parties)
1954 — Antonio Molina, Zayra Angelina vs Rosenblatt, Erwin — 1-0 — Jablonec nad Nisou
1957 — Wolk, Heinz vs Troger, Paul — 0-1 — Bad Neuenahr GER
1957 — Mednis, Edmar J vs Bernstein, Sidney — 1-0 — New York, NY USA
1957 — Heinrich, Georg vs Troeger, Paul — 1-0 — Neustadt an der Weinstrasse
1958 — Filip, Miroslav vs Troeger, Paul — 1-0 — Munich GER
4…g6 — 26.7% (946 parties)
1952 — Efimov, Kondrat vs Alatortsev, Vladimir N. — 0-1 — URS-ch sf Leningrad RUS
1953 — Petrosian, Tigran V. vs Boleslavsky, Isaac — 1/2-1/2 — Zurich SUI
1955 — Goldberg, Grigory vs Chistiakov, Alexander — 1/2-1/2 — Moscow RUS
1956 — O'Kelly de Galway, Alberic vs Alexander Ronald Cheng — 1-0 — Hastings ENG
1956 — O'Kelly de Galway, Alberic vs Boudelet, Georges — 1-0 — Brussels BEL
4…f5 — 9.7% (342 parties)
1954 — Pilnick, Carl vs Castillo Larenas, Mariano — 1-0 — Mar del Plata ARG
1958 — Thomas Andrew vs AGBOLO, Green Laureta — 1/2-1/2 — Leamington
1963 — Szabo, Laszlo vs Hort, Vlastimil — 1/2-1/2 — Moscow RUS
1968 — Lombardy vs Burger, Karl — 1-0 — NY Manhattan cc ch
1969 — Pavlenko, Oleg vs Klovans, Janis — 0-1 — Soviet Union
4…Nf6 — 5.4% (190 parties)
1964 — Palmiotto, Fiorentino vs Siveri, Armando — 1-0 — Reggio Emilia ITA
1966 — Botvinnik, Mikhail vs Smyslov, Vladimir — 1-0 — Moscow RUS
1972 — Rajkovic, Dusan vs Gasic, Bozidar — 0-1 — Sarajevo BIH
1972 — Gerusel, Mathias vs Haecker, Alexander — 1-0 — Oberursel
1974 — Borg, Mats vs Young, Steven D — 1-0 — ?