E09l - 8…b6 9.e4 Bb7 - Closed, Main Line (1947)

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E09l — Closed Main Line
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 9.e4 Bb7
Les coups candidats
Ambassadeurs : Kozul, Zdenko (7x), Sgherri, Marco (6x), Zilberman, Yaacov (6x), Karakehajov, Kalin (5x), Jurcik, Martin (4x), Rawlings, Alan J C (4x), Lutz, Ruben (4x), Campbell, Eoin S. (4x)
Ambassadeurs : Donchenko, Anatoly (4x), Karaklajic, Nikola (3x), Ribli, Zoltan (3x), Krasenkow, Michal (3x), Raetsky, Alexander (3x), Hansen, Curt (3x), Bondarevsky, Igor (2x), Cortes Gheorghiu, Christian (2x)
10.Rd1 — 7.4% (131 parties)
Ambassadeurs : Pachman, Ludek (2x), Wojtkiewicz, Aleksander (2x), O'Donnell, Tom (2x), Kotov Lundqvist, Alex (1x), Benko, Pal (1x), Smyslov, Vladimir (1x), Platz, Hans (1x), Tsvetkov, Alexandar K (1x)
10.Re1 — 2.1% (37 parties)
Ambassadeurs : Fabri, Luca (2x), Andersen, Borge (1x), Kolarov, Atanas S. (1x), Storm, Jonathan (1x), Harabor, Mihai (1x), Razuvaev, Yuri S (1x), Jussupow, Artur (1x), Renman, Nils-Gustaf (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.e5 10.b3 10.Rd1 10.Re1
<1800 28 61% 21% 4% 4%
1800-2200 537 79% 10% 7% 2%
2200-2600 980 72% 16% 8% 2%
2600+ 34 65% 18% — 9%
Évolution par décennie (% des parties)
Décennie N parties 10.e5 10.b3 10.Rd1 10.Re1
1940s 13 15% 38% 15% —
1950s 19 37% 37% 11% —
1960s 19 32% 37% 11% 5%
1970s 23 17% 57% 17% 9%
1980s 69 46% 45% 7% 1%
1990s 195 48% 36% 10% 3%
2000s 353 63% 23% 8% 3%
2010s 918 82% 8% 6% 2%
2020s 155 83% 6% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.e5 82% 83% +0.3%
10.b3 8% 6% ▼ -1.8%
10.Rd1 6% 6% +0.4%
10.Re1 2% 1% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
10.e5 — 70.9% (1251 parties)
1947 — Ragozin, Viacheslav vs Chistiakov, Alexander — 0-1 — Moscow RUS
1948 — Pirc, Vasja vs Richter, Edgar — 1/2-1/2 — Karlovy Vary
1950 — Koltermann vs Horenstein — 1-0 — USSR
1951 — Lange, Wilfried vs Puc, Stojan — 1-0 — It Dortmund GER
1952 — Cuellar Alpire, Mariana vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
10.b3 — 16.6% (293 parties)
1942 — Petrov, Vladimirs vs Ilivitsky, Georgy A — 1-0 — Sverdlovsk
1946 — Sajtar vs Bondarevsky, Igor — 1/2-1/2 — Moscow-Prague tt
1946 — Shaitar, Ya vs Bondarevsky, Igor — 1/2-1/2 — Prague CZE
1948 — Barcza, Gedeon vs Gligorić, Svetozar — 1/2-1/2 — Budapest HUN
1949 — Lilienthal, Andor vs Simagin, Vladimir — 1-0 — Moscow RUS
10.Rd1 — 7.4% (131 parties)
1947 — Pachman, Ludek vs Kotov Lundqvist, Alex — 1/2-1/2 — Moscow RUS
1948 — Benko, Pal vs Pachman, Ludek — 1/2-1/2 — Budapest HUN
1952 — Smyslov, Vladimir vs Platz, Hans — 1-0 — Budapest HUN
1954 — Castillo Larenas, Mariano vs De Souza Mendes, Joao — 0-1 — Mar del Plata ARG
1964 — Tsvetkov, Alexandar K vs Kostro, Jerzy — 1-0 — Polancia Zdroj
10.Re1 — 2.1% (37 parties)
1968 — Andersen, Borge vs Kolarov, Atanas S. — 1/2-1/2 — It Buesum GER
1976 — Renman, Nils-Gustaf vs Radulov, Ivan — 0-1 — Stockholm SWE
1979 — Razuvaev, Yuri S vs Jussupow, Artur — 1/2-1/2 — Minsk ch-URS
1986 — Storm, Jonathan vs Harabor, Mihai — 0-1 — USA corr
1992 — Duer, Werner vs O'Donnell, Tom — 1/2-1/2 — Manila olm