B26l - 6…e6 7.Qd2 - Closed (1949)

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B26l — Closed (1949)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2
Les coups candidats
Ambassadeurs : Bastian, Herbert (9x), Cernikova, Alena (8x), Minz, Michail (8x), Blatny, Frantisek (7x), Wojciechowska, Aleksandra (6x), Eretova, Jana (5x), Parkanyi, Attila (5x), Lang, Heather (5x)
Ambassadeurs : Kaposztas, Miklos (10x), Letay, Gyula (7x), Jandecka, Tomas (6x), Parkanyi, Attila (5x), Shaw, John (4x), Baginskaite, Kamile (4x), Kovacova, Zuzana (4x), Pallardo Lozoya, Jose Vicente (4x)
Ambassadeurs : Parkanyi, Attila (8x), Kovacevic, Slobodan (5x), Smederevac, Petar (4x), Lang, Heather (4x), Jamrich, Gyorgy (4x), Pedersen, Karl (3x), Steigman, AJ (3x), Dorsey, Philip A. (3x)
Ambassadeurs : Perez, Flavio (7x), Posch, Werner (5x), Buscher, Michael (5x), Beltz, Franziska (4x), Stepovaia, Tatiana (4x), Prats Rodriguez, Juan Bosco (4x), Paramentic, Mila (4x), Ljubojevic, Ljubomir (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Rb8 7…Nge7 7…Nd4 7…Qa5
<1800 432 25% 35% 18% 4%
1800-2200 4926 33% 26% 19% 8%
2200-2600 2258 35% 18% 23% 14%
2600+ 16 31% 31% 19% 6%
Évolution par décennie (% des parties)
Décennie N parties 7…Rb8 7…Nge7 7…Nd4 7…Qa5
1950s 35 20% 26% 14% 31%
1960s 68 19% 15% 26% 35%
1970s 133 45% 13% 14% 15%
1980s 351 30% 23% 21% 15%
1990s 2270 29% 28% 19% 12%
2000s 3212 33% 26% 19% 10%
2010s 2142 34% 23% 23% 6%
2020s 456 42% 23% 19% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Rb8 34% 42% ▲ +8.3%
7…Nge7 23% 23% -0.0%
7…Nd4 23% 19% ▼ -3.9%
7…Qa5 6% 2% ▼ -3.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Botvinnik, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Rb8 — 32.6% (2824 parties)
1950 — Orbaan, Constant vs Gragger, Anton Fritz — 1-0 — Amsterdam-Wenen
1952 — Bykova, Elizaveta vs Makhinya, Anna — 1-0 — Tbilisi GEO
1953 — Hemingway, TK. vs Archer, Dave — 0-1 — Hastings ch-BCF
1957 — Tikhomirova, Vera N vs Vitkovskaja, Alyona — 1-0 — ?
1957 — Macura, Emil vs Lendl, Jiri — 0-1 — Brno CZE
7…Nge7 — 25.4% (2204 parties)
1953 — Smyslov, Vasily vs Tolush, Alexander — 1/2-1/2 — ?
1953 — Smyslov, Vasily vs Alexander Tadala — 1/2-1/2 — Garga
1953 — Smyslov, Vladimir vs Tolush, Alexander — 1/2-1/2 — Garga URS
1954 — Tikhomirova, Vera N vs Alfeevskaja — 1-0 — ?
1955 — Blatny, Frantisek vs Arlamowski, Edward — 0-1 — Prague tm Prague CZE
7…Nd4 — 19.8% (1718 parties)
1952 — Smyslov, Vasily vs Moiseev, Oleg — 1/2-1/2 — Moskou ch-URS
1954 — Vatnikov, Josif E vs Livshin, Iosif — 0-1 — Moscow RUS
1955 — Macura, Emil vs Fischl, Kamilla — 1/2-1/2 — ?
1957 — Rozhdestvensky, Vladimir vs Roizman, Michael — 1/2-1/2 — Minsk zt
1958 — Redolfi, Argentino Rodolfo vs Tringov, Georgi P — 1-0 — Varna BUL
7…Qa5 — 9.9% (855 parties)
1952 — Keres, Paul Petrovich vs Rapaka Samuel Paul — 1/2-1/2 — 02 Helsinki ol final .52)
1952 — Semenkin vs Klavins, Janis — 0-1 — Riga LAT
1953 — Engert, Immo vs Lohmann, Heinrich1 — 1/2-1/2 — Bielefeld
1955 — Seidman, Herbert vs Saidy, Anthony — 0-1 — New York, NY USA
1955 — Macura, Emil vs Skacel, Jan — 1-0 — Prague CZE