B26h - 6…Rb8 7.Qd2 - Closed (1943)

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B26h — Closed (1943)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Rb8 7.Qd2
Les coups candidats
Ambassadeurs : Krapivin, Alexander (42x), Chaika, Ivan (28x), Parkanyi, Attila (18x), Ledger, Andrew J (15x), Ledger, Dave J (15x), Welz, Peter, Dr. (13x), Buckley, Melanie H (11x), Letay, Gyula (11x)
Ambassadeurs : Wiedenkeller, Michael (3x), Hammar, Bengt (3x), Ionescu, Viorica (2x), Barua, Dibyendu (2x), Jonsson, Hans (2x), Burrows, Martin P (2x), Krapivin, Alexander (2x), Kotka, Reino (1x)
7…Nd4 — 2.7% (110 parties)
Ambassadeurs : Letay, Gyula (2x), Gyorkos, Lajos (2x), Ledger, Dave J (2x), Frank, Jozsef (2x), Potasman, William (1x), Blumenfeld, Rudy (1x), Stepak, Yedael (1x), Hort, Vlastimil (1x)
7…Bd7 — 1.4% (58 parties)
Ambassadeurs : Norcia, Federico (1x), Nestler, Vincenzo (1x), Smederevac, Petar (1x), Vukovic, Maksimilijan (1x), Brown, Paul (1x), Pascuzzi, Tony (1x), Morin, Glenn (1x), Skulsky, Ian R (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…b5 7…e6 7…Nd4 7…Bd7
<1800 155 89% 3% 1% 3%
1800-2200 1971 87% 6% 3% 1%
2200-2600 1576 92% 4% 2% 1%
2600+ 20 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…b5 7…e6 7…Nd4 7…Bd7
1950s 20 80% — — 5%
1960s 19 79% — 11% 5%
1970s 56 89% 2% 4% 4%
1980s 123 77% 11% 2% 4%
1990s 810 85% 7% 3% 2%
2000s 1508 90% 4% 3% 1%
2010s 1123 89% 4% 2% 1%
2020s 453 93% 3% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…b5 89% 93% ▲ +3.8%
7…e6 4% 3% ▼ -1.2%
7…Nd4 2% 2% ▼ -0.5%
7…Bd7 1% 0% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
7…b5 — 88.3% (3631 parties)
1951 — Smyslov, Vasily vs Geller, Efim P. — 1-0 — Moskou ch-URS
1951 — Heidenfeld, Wolfgang vs Abalos, Fredie — 0-1 — Marianske Lazne - Praha
1952 — Krivec, Sandi vs Fuderer, Andrija — 1-0 — Belgrade SRB
1952 — Krivec, Sandi vs Bogdanovic, Rajko — 1-0 — Belgrade SRB
1952 — Krivec, Slavko vs Bogdanovic, Rajko — 1-0 — ?
7…e6 — 4.6% (188 parties)
1976 — Hazai, Laszlo Dr. vs Paoli, Enrico — 1-0 — Agard HUN
1981 — Kotka, Reino vs Koskinen, Olli — 1/2-1/2 — corr SM
1982 — Wiedenkeller, Michael vs Winants, Luc — 1/2-1/2 — Copenhagen DEN
1982 — Draganova, Petranka vs Savova, Stefka — 0-1 — Sofia BUL
1982 — Ravisekhar, Raja vs Ravikumar, Vaidyanathan — 1/2-1/2 — Indianapolis, IN USA
7…Nd4 — 2.7% (110 parties)
1961 — Potasman, William vs Blumenfeld, Rudy — 1/2-1/2 — Tel Aviv ISR
1965 — Stepak, Yedael vs Hort, Vlastimil — 1/2-1/2 — Sinaia
1971 — Kratochvil, Jiri vs Mesiarik, Rudolf — 1/2-1/2 — Havirov CZE
1978 — Richtrova, Eliska vs Konarkowska-Sokolov, Henrijeta — 1/2-1/2 — Moscow RUS
1983 — Wetjen, Andreas vs Gahntz, Bernd Peter — 1-0 — RLN 8283
7…Bd7 — 1.4% (58 parties)
1956 — Norcia, Federico vs Nestler, Vincenzo — 1/2-1/2 — ITA-ch18 Rovigo
1960 — Smederevac, Petar vs Vukovic, Maksimilijan — 1-0 — Ljubljana
1975 — Biyiasas, Peter vs Christiansen, Larry — 0-1 — Cleveland, OH USA
1976 — Kwossek, Georg vs Hoehenberger, Harald — 1-0 — Gauting
1982 — Radovic, Bratislav vs Dinic, Vladan — 0-1 — Caorle op Caorle ITA