E07k - 7.Nc3 c6 8.b3 - Closed (1925)

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E07k — Closed
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Nc3 c6 8.b3
Les coups candidats
8…b6 — 67.0% (1282 parties)
Ambassadeurs : Gleizerov, Evgeny (6x), Rossetto, Hector (5x), Ciric, Dragoljub M (5x), Sosonko, Gennadi (5x), Najdorf, Miguel (4x), Damjanovic, Mato (3x), Natalucci, Fabrizio (3x), Heinatz, Gundula, Dr. (3x)
8…Re8 — 13.4% (256 parties)
Ambassadeurs : Kube, Hannelore (2x), Alt, Hans Juergen (2x), Estrella Becerra, Fernando (2x), Reti, Richard (1x), Von Gottschall, Hermann (1x), Ascencio Flores, Rodrigo (1x), Rotunno, Ernesto (1x), ? (1x)
8…Ne4 — 3.4% (65 parties)
Ambassadeurs : Fridstein, Grigory (1x), Zagoriansky, Evgeny (1x), Gilruth, Peter (1x), Turner, John (1x), Zatulovskaya, Tatiana (1x), Mutchnik, Larisa (1x), Larsen, Flemming (1x), Jessen, Ernst J. (1x)
8…Qa5 — 3.2% (62 parties)
Ambassadeurs : Magrin, Antonio (2x), Brinck-Claussen, Bjorn (1x), Canton, B (1x), Bernstein, Olivia (1x), Prins, Laura (1x), Pyhala, Antti (1x), Henttinen, Markku I.O. (1x), Harestad, Thor Geir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…Re8 8…Ne4 8…Qa5
<1800 63 43% 27% 3% 2%
1800-2200 787 58% 18% 5% 4%
2200-2600 670 83% 5% 3% 3%
2600+ 22 95% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Re8 8…Ne4 8…Qa5
1920s 1 — 100% — —
1930s 5 60% 20% — —
1940s 5 40% — 20% —
1950s 20 75% 5% — 5%
1960s 35 80% 3% — 3%
1970s 62 77% 13% — 2%
1980s 81 74% 14% 2% 4%
1990s 343 66% 15% 3% 4%
2000s 494 64% 14% 5% 3%
2010s 713 66% 14% 3% 4%
2020s 155 76% 10% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 66% 76% ▲ +10.5%
8…Re8 14% 10% ▼ -3.3%
8…Ne4 3% 2% ▼ -1.2%
8…Qa5 4% 1% ▼ -3.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
8…b6 — 67.0% (1282 parties)
1937 — Mueller, Hans vs Weil, Wolfgang — 1/2-1/2 — Vienna AUT
1937 — Keres, Paul Petrovich vs Book, Eero — 1-0 — Kemeri LAT
1937 — Keres, Paul Petrovich vs Book, Eero — 1-0 — It Kemeri LAT
1947 — Piro, Valerio vs Luckis, Marcos — 1/2-1/2 — Buenos Aires ch-ARG
1948 — Denker, Arnold S vs Rossetto, Hector — 0-1 — Mar del Plata ARG
8…Re8 — 13.4% (256 parties)
1925 — Reti, Richard vs Von Gottschall, Hermann — 1-0 — Breslau GER
1938 — Ascencio Flores, Rodrigo vs Rotunno, Ernesto — 1-0 — Montevideo URU
1958 — Panno, Oscar vs Puiggros, Guillermo — 1/2-1/2 — Buenos Aires ARG
1963 — ? vs Podgaetsky, Alexander — 1-0 — Kiev UKR
1970 — Da Silva, Luiz Tavares vs Lins, Frank Roberto Santana — 0-1 — 37. BRA ch Recife BRA
8…Ne4 — 3.4% (65 parties)
1949 — Fridstein, Grigory vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow RUS
1983 — Zatulovskaya, Tatiana vs Mutchnik, Larisa — 1-0 — Volgograd RUS
1984 — Gilruth, Peter vs Turner, John — 1-0 — Thessaloniki olm
1990 — Mochalov, Evgeny V vs Smagin, Sergey — 1-0 — Podolsk RUS
1990 — Larsen, Flemming Bo vs Simonsen, Michael — 1-0 — Randers DEN
8…Qa5 — 3.2% (62 parties)
1959 — Bernstein, Olivia vs Prins, Laura — 0-1 — Madrid ESP
1967 — Brinck-Claussen, Bjorn vs Canton, B — 1-0 — Copenhagen DEN
1976 — Molaschi vs Magrin, Antonio — 0-1 — cr.
1981 — Harestad, Thor Geir vs Gundersen, Helge — 1-0 — Kirkenes
1984 — Pyhala, Antti vs Henttinen, Markku I.O. — 1-0 — Helsinki FIN