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E67a — Fianchetto with 6…Nd7 (1924)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7
Les coups candidats
Ambassadeurs : ? (41x), Donner, Jan-Hein (29x), Horvath, Peter (26x), Fancsy, Imre (25x), Miguel, Nahuel (24x), Geller, Efim P. (24x), Timar, Zsolt (22x), Portisch, Lajos (21x)
7.e4 — 2.6% (471 parties)
Ambassadeurs : Cetinkaya, Vedat Ali (3x), Blackstone, John (2x), Shaw, Meyrick (2x), Lujambio, Arturo Alfredo (2x), Bedford, M. (1x), Haines, William C (1x), Van Hoorde, Edouard (1x), Borodin, Vladimir (1x)
7.h3 — 0.5% (92 parties)
Ambassadeurs : Lombart, Philippe (5x), Ornstein, Axel (5x), Jansa, Vlastimil (2x), Certek, Pavel (2x), Gerszkowicz (1x), Chochlowskin (1x), Barda, Olaf (1x), Petrosian, Tigran A. (1x)
7.d5 — 0.5% (88 parties)
Ambassadeurs : Rustemov, Alexander (10x), Macek, Vlasta (3x), Serafimov, Tervel (3x), Lares, Harald (2x), Perez, Emmanuel R. (2x), Eingorn, Vereslav S (2x), Bak, Istvan (1x), Jansa, Vlastimil (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.e4 7.h3 7.d5
<1800 962 91% 5% 0% 0%
1800-2200 6987 94% 4% 1% 1%
2200-2600 7378 98% 1% 1% 1%
2600+ 162 99%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.e4 7.h3 7.d5
1950s 476 96% 2% 1%
1960s 394 95% 3% 1% 1%
1970s 418 96% 2% 2% 0%
1980s 820 96% 3% 1% 0%
1990s 3950 95% 2% 0% 1%
2000s 4479 94% 3% 0% 1%
2010s 5884 95% 3% 0% 0%
2020s 1755 96% 2% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 95% 96% ▲ +1.0%
7.e4 3% 2% ▼ -0.8%
7.h3 0% 0% +0.0%
7.d5 0% 0% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Botvinnik, Mikhail — 9 parties
Ju, Wenjun — 7 parties
Gukesh D — 4 parties
Kramnik, Vladimir — 2 parties
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7.O-O — 95.2% (17296 parties)
1950 — Babel, August vs Meyer, Heinrich — 0-1 — Bielefeld
1950 — Boulahanis, Ioannis vs Palda, Karl — 1/2-1/2 — Dubrovnik CRO
1950 — Kramer, Haije vs Tartakower, Savielly — 0-1 — Amsterdam NED
1950 — O'Kelly, Albéric de Galway vs Miguel, Nahuel — 0-1 — Dubrovnik olm
1950 — Eken, Max vs Gligoric, Sofija — 1/2-1/2 — Amsterdam NED
7.e4 — 2.6% (471 parties)
1951 — Van Hoorde, Edouard vs Borodin, Vladimir — 0-1 — Antwerp BEL
1952 — Ortega, Rogelio vs Rashevsky, Mykhailo — 0-1 — Havana CUB
1952 — Jimenez Zerquera, Eleazar vs Horowitz, Albert Israel — 1/2-1/2 — Havana CUB
1952 — Incutto, Carlos vs Garibaldi, Alberto Flavio — 1-0 — Buenos Aires ARG
1952 — Chaude de Silans, Chantal vs Paoli, Enrico — 1/2-1/2 — Lucerne SUI
7.h3 — 0.5% (92 parties)
1953 — Barda, Olaf vs Petrosian, Tigran A. — 1/2-1/2 — Bucharest ROU
1954 — Gerszkowicz vs Chochlowskin — 0-1 — Rostov-Donem tt
1957 — Whyte, Alfred Dempster vs Littlewood, John E — 0-1 — Hastings ENG
1960 — Mattingly, M. vs Blackstone, John — 1/2-1/2 — No. CA
1963 — Ujtelky, Maximilián Samuel Rudolf vs Kavalek, Lubomir — 0-1 — Prague CZE
7.d5 — 0.5% (88 parties)
1964 — De Castro, Edgar vs Jauregui Andrade, Carlos — 1/2-1/2 — Tel Aviv ISR
1969 — Bak, Istvan vs Jansa, Vlastimil — 1/2-1/2 — Zalaegerszeg
1970 — Vokoun, Jan vs Mista, Ladislav — 0-1 — Harrachov
1986 — Benko, Pal vs Pichler, Juergen — 1/2-1/2 — Augsburg GER
1987 — Jeske, Eckhard vs Rossmann, Helmut — 1-0 — Rostock GER