B26e - 6…e5 7.Qd2 - Closed (1955)

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B26e — Closed (1955)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e5 7.Qd2
Les coups candidats
Ambassadeurs : Havasi, Janos (12x), Krapivin, Alexander (8x), Lamford, Paul (6x), Ledger, Dave J (6x), La Rota, Fabio (6x), Sammalvuo, Tapani (5x), Cottarelli, Franco (5x), Hort, Vlastimil (4x)
7…Be6 — 20.9% (527 parties)
Ambassadeurs : Wirthensohn, Heinz (4x), Hlavac, Rudolf (4x), Buckley, Melanie H (4x), Pesztericz, Laszlo (4x), Hort, Vlastimil (3x), Medina-Garcia, Antonio (2x), Wiedenkeller, Michael (2x), La Rota, Fabio (2x)
7…Nd4 — 11.4% (286 parties)
Ambassadeurs : Razuvaev, Yuri S (2x), Langeweg, Kick (2x), Roselli Mailhe, Bernardo (2x), Havasi, Janos (2x), Bachand-Fleurent, Julien (2x), Jakubiec, Edyta (2x), Letay, Gyula (2x), Rajkovic, Dusan (2x)
7…Nf6 — 2.5% (64 parties)
Ambassadeurs : Weiss, Augustin (1x), Mednis, Edmar J (1x), Burstein, Sylvain (1x), Nyren, Bo (1x), Arjit Shaw (1x), Gonzales, Eliseo (1x), Fonrobert, Gert Wolfgang (1x), Gouveia, Carlos Eduardo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nge7 7…Be6 7…Nd4 7…Nf6
<1800 105 64% 16% 13% 2%
1800-2200 1235 58% 22% 12% 2%
2200-2600 891 60% 20% 11% 2%
2600+ 5 80% — 20% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nge7 7…Be6 7…Nd4 7…Nf6
1950s 13 31% 31% 15% 8%
1960s 36 53% 25% 11% 3%
1970s 46 57% 22% 13% 4%
1980s 144 58% 24% 10% 3%
1990s 525 52% 27% 12% 3%
2000s 1021 63% 18% 11% 2%
2010s 590 58% 20% 12% 2%
2020s 142 60% 18% 10% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nge7 58% 60% ▲ +1.6%
7…Be6 20% 18% ▼ -1.9%
7…Nd4 12% 10% ▼ -1.8%
7…Nf6 2% 2% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Nge7 — 58.6% (1476 parties)
1955 — Christoffel, Martin vs Eros, Plata — 0-1 — Mont Pelerin sur Vevey
1959 — Smederevac, Petar vs Stupica, Janez — 1/2-1/2 — Kragujevac ch14-YUG
1959 — Redolfi, Argentino Rodolfo vs Sanguinetti, Ricardo — 0-1 — Mar del Plata ARG
1959 — Ignatiev, Aleksey vs Simagin, Konstantin — 0-1 — Moscow RUS
1961 — Smederevac, Petar vs Bobotsov, Milko G — 1-0 — Belgrade op Belgrade YUG
7…Be6 — 20.9% (527 parties)
1955 — Zagorovsky, Vladimir vs Brazilsky, Y. — 1-0 — Odessa UKR
1955 — Smederevac, Petar vs Bogdanovic, Rajko — 1/2-1/2 — Novi Sad SRB
1957 — Johannesson, Bjorn vs Benko, Pal — 0-1 — Reykjavik ISL
1959 — Shocron, Ruben vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
1962 — Molnar, Ferenc vs O Kelly de Galway Alberic — 0-1 — ?
7…Nd4 — 11.4% (286 parties)
1957 — Emden, Hermann vs Mueller, Hans — 1/2-1/2 — San Benedetto
1957 — Allan Prince S vs Abreu Maria Samil — 1-0 — Emmen
1964 — Jain Rinku vs Lazarevic, Aleksandar — 1-0 — Leningrad RUS
1968 — Arjit Shaw vs Niedermayr, Horst — 1-0 — Lugano olm
1968 — Sibarevic, Milenko vs Cebalo, Miso — 1-0 — Cateske Toplice
7…Nf6 — 2.5% (64 parties)
1951 — Burstein, Sylvain vs Nyren, Bo — 1/2-1/2 — Birmingham/Coventry
1961 — Weiss, Augustin vs Mednis, Edmar J — 1/2-1/2 — Helsinki FIN
1970 — Arjit Shaw vs Gonzales, Eliseo — 1-0 — Siegen olm
1972 — Bone, Eric Dale vs Timm, John C — 1/2-1/2 — US Open
1983 — Knudsen, John C vs Larimer, K — 1-0 — ASPCC, corr