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A38c — Symmetrical, Main Line (1959)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O
Les coups candidats
Ambassadeurs : Szalanczi, Emil (22x), Vetter, Udo (21x), Farago, Sandor (18x), Szieberth, Adam (11x), Wall, Bill (10x), Afek, Yochanan (10x), Seel, Christian, Dr. (10x), Parma, Bruno (9x)
Ambassadeurs : Sindarov, Javokhir (4x), Etruk, Rein T (2x), Haag, Ervin (2x), Pontoni, M. (2x), Szmetan, Jorge (2x), Giaccio, Alfredo (2x), Giardelli, Sergio C. (2x), Shulman, Yury (2x)
Ambassadeurs : Schroll, Gerhard (3x), ? (2x), Mitter, Gerd (2x), Baeta, Marcio Netto (2x), Bartos, Vaclav (2x), Conen, Friedrich (1x), Groenegress, Wilfried (1x), Sloth, Jorn (1x)
6…e5 — 0.8% (82 parties)
Ambassadeurs : Reis, Cesar Roberto Da Silva (1x), Naile, Alain (1x), Neikirkh, Oleg (1x), Ujtelky, Maximilian (1x), Srch, Josef (1x), Fajardo, Gerson Adonay (1x), Vucenovic, Dragomir (1x), Ruefenacht, Matthias (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…O-O 6…d6 6…d5 6…e5
<1800 912 87% 7% 3% 1%
1800-2200 4845 89% 6% 3% 1%
2200-2600 2507 89% 6% 4% 1%
2600+ 52 90% 10% — —
Évolution par décennie (% des parties)
Décennie N parties 6…O-O 6…d6 6…d5 6…e5
1950s 39 82% 13% 3% 3%
1960s 188 92% 5% 2% 1%
1970s 289 88% 4% 4% —
1980s 482 90% 4% 4% 0%
1990s 2092 91% 4% 3% 1%
2000s 2792 89% 6% 3% 1%
2010s 3546 88% 8% 2% 1%
2020s 720 84% 9% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…O-O 88% 84% ▼ -3.7%
6…d6 8% 9% ▲ +1.6%
6…d5 2% 4% ▲ +2.0%
6…e5 1% 1% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Carlsen, Magnus — 4 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6…O-O — 88.7% (9000 parties)
1951 — German, Eugenio vs Canepa, Jose — 1-0 — San Rafael
1952 — Heinicke, Herbert vs Levy, Pascal — 1-0 — Helsinki olm
1953 — Berger, Bela vs Gereben, Erno — 1-0 — Budapest ch-HUN
1953 — Werner, Stephan vs Wieckowiak, Hans — 1/2-1/2 — Bielefeld
1954 — Rossetto, Hector vs Castillo Larenas, Mariano — 1-0 — Mar del Plata ARG
6…d6 — 6.4% (645 parties)
1951 — Alfred, Le Bron vs Milic, Borislav — 0-1 — Match FRG-YUG
1955 — Somogyi, Istvan vs Hacsak, Istvan — 1-0 — Budapest HUN
1957 — Golz, Werner vs Hartmann, Klaus — 1-0 — Soemmerda
1957 — Clarke, Peter vs Kolarov, Atanas S. — 1/2-1/2 — Wageningen NED
1958 — Muehlberg, Siegfried vs Rawlings, Tim — 1-0 — Varna BUL
6…d5 — 2.9% (292 parties)
1956 — Conen, Friedrich vs Groenegress, Wilfried — 1-0 — Rheda
1961 — Ujtelky, Maximilián Samuel Rudolf vs Rejfir, Josef — 1/2-1/2 — Kosice
1966 — Calero, Ivan vs Jimenez Zerquera, Eleazar — 0-1 — Havana CUB
1967 — Caminade, Christian vs Huguet, Bernard — 0-1 — FRA-ch Dieppe FRA
1969 — Sloth, Jorn vs Antunac, Goran — 1/2-1/2 — Dresden GER
6…e5 — 0.8% (82 parties)
1959 — Neikirkh, Oleg vs Ujtelky, Maximilian — 1/2-1/2 — Asztalos mem
1969 — Reis, Cesar Roberto Da Silva vs Naile, Alain — 1-0 — Barra Mansa
1988 — Srch, Josef vs Fajardo, Gerson Adonay — 1/2-1/2 — Thessaloniki GRE
1989 — Vucenovic, Dragomir vs Ruefenacht, Matthias — 0-1 — Switzerland
1990 — Tremblay, Yves vs Tran, Luc — 0-1 — Jonquiere CAN