A37x - 6…Nge7 - English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 (1963)

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A37x — Symmetrical Variation, Botvinnik System Reversed, with Nf3 (1963)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O Nge7
Les coups candidats
Ambassadeurs : Bobotsov, Milko G (5x), Oral, Tomas (5x), Savon, Vladimir (3x), Keene, Raymond D (3x), Feustel, Bernd (3x), Ditt, Egon (3x), Doncevic, Dario (3x), Samaganova, Aleksandra (3x)
7.a3 — 28.0% (1336 parties)
Ambassadeurs : Mitrandzas, Athanasios (7x), Petursson, Margeir (5x), Bobotsov, Milko G (4x), Kozak, Adam (4x), Milivojevic, Slobodanka (3x), Podlesnik, Bogdan (3x), Arias Hernandez, Scarlett Terry (3x), Sax, Gyula (3x)
7.Ne1 — 21.8% (1043 parties)
Ambassadeurs : Ftacnik, Lubomir (6x), Miezis, Normunds (5x), Wojtkiewicz, Aleksander (4x), Wiley, Tom E (4x), Schmidt, Wlodzimierz (3x), Karlsson, Lars 1937 (3x), Linqvist, Grels (3x), Brodowski, Piotr (3x)
7.Rb1 — 3.4% (164 parties)
Ambassadeurs : Negulescu, Adrian (2x), Adamski, Jan (2x), Wedberg, Tom (2x), Lehmann, Erwin (2x), Nauschuetz, Ernst (2x), Tichy, Vladimir (1x), Breck, Jakub (1x), Pekarek, Ales (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.d3 7.a3 7.Ne1 7.Rb1
<1800 160 54% 21% 11% 4%
1800-2200 1791 48% 24% 18% 4%
2200-2600 2476 37% 31% 27% 3%
2600+ 49 10% 53% 33% 2%
Évolution par décennie (% des parties)
Décennie N parties 7.d3 7.a3 7.Ne1 7.Rb1
1950s 4 100% — — —
1960s 40 62% 18% 12% 2%
1970s 110 56% 23% 13% 5%
1980s 226 49% 21% 21% 5%
1990s 633 50% 20% 22% 4%
2000s 1191 49% 22% 20% 5%
2010s 2053 35% 36% 23% 3%
2020s 522 41% 27% 24% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.d3 35% 41% ▲ +6.4%
7.a3 36% 27% ▼ -8.1%
7.Ne1 23% 24% ▲ +1.1%
7.Rb1 3% 2% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Gukesh D — 2 parties
Ding, Liren — 2 parties
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7.d3 — 42.3% (2023 parties)
1957 — Holm, Sejer vs Petersen, Finn — 0-1 — Odense DEN
1958 — Byvshev, Vasily vs Kholmov, Ratmir D — 0-1 — Tashkent UZB
1958 — Smyslov, Dmitri vs Bobotsov, Milko G — 1-0 — Munich ol
1959 — Jaeger, Walter vs Lehmann, Heinz — 0-1 — FRG-ch Nuerenberg GER
1960 — Peterson, Andrejs vs Osnos, Viatcheslav — 1/2-1/2 — Vilnius LTU
7.a3 — 28.0% (1336 parties)
1963 — Pirc, Vasja vs Langeweg, Kick — 0-1 — Beverwijk NED
1967 — Osnos, Viatcheslav vs Tarasov, Vitaly — 1-0 — Kharkov ch-URS
1967 — Kozma, Julius vs Honfi, Karoly — 1/2-1/2 — Monte Carlo MNC
1968 — Sherwin, James T vs Soltis, Andrew — 0-1 — New York, NY USA
1968 — Marszalek, Rafal vs Zoltek, Tadeusz — 1/2-1/2 — Lodz POL
7.Ne1 — 21.8% (1043 parties)
1964 — Sliwa, Bogdan vs Botvinnik, Mikhail — 1/2-1/2 — Tel Aviv olm
1965 — Neamtu, Serban-Constantin vs Moisini, Ion — 1/2-1/2 — Bucharest ROU
1966 — Lombardy, William J vs Lopez Masis, Kenard Evans — 1/2-1/2 — Canada
1968 — Forintos, Gyozo V vs Khodos, German — 0-1 — Soviet Union
1969 — Schmidt, Wlodzimierz vs Gipslis, Aivars — 0-1 — Lublin Lublin POL
7.Rb1 — 3.4% (164 parties)
1968 — Tichy, Vladimir vs Breck, Jakub — 1-0 — Prague CZE
1976 — Holloway, Nigel J vs Byway, Paul V — 1-0 — Islington ENG
1976 — Manasterski, Lutoslaw vs Schaufelberger, Heinz — 1-0 — Vitrobud op Sandomierz
1978 — Ivanov, Alexander vs Tseshkovsky, Vitaly — 1-0 — Ashkhabad
1978 — Adamski, Jan vs Wedberg, Tom — 1/2-1/2 — Buenos Aires olm