E59i - 11.Bb5 - Main Line (1954)

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E59i — Main Line (1954)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5
Les coups candidats
11…a6 — 38.6% (132 parties)
Ambassadeurs : Szabo, Iuliu inactive (3x), Sokolov, Vladimir (3x), Porath, Yosef (2x), Ujtelky, Maximilián Samuel Rudolf (2x), Pasqua, Adriano (2x), Ivkov, Borislav (2x), Gheorghiu, Florin (2x), Bronstein, David I (2x)
11…Bd7 — 22.8% (78 parties)
Ambassadeurs : Geller, Efim P. (3x), Padevsky, Nikola (2x), Matanovic, Aleksandar (2x), Zilber, Israel (2x), Lerner, Konstantin Z (2x), Zaichik, Gennadi (2x), Kuuskmaa, Endel R (2x), ? (1x)
11…Rd8 — 22.2% (76 parties)
Ambassadeurs : Behrensen, Jorge (2x), Matanovic, Aleksandar (2x), Radev Iordanov, Nikolay (2x), Da Silva, Flavio Arnaldo Braga (2x), Boyd, Frank (1x), Lodge, David Wilfred (1x), Zverevic (1x), Markovic, Ivan (1x)
11…b6 — 14.6% (50 parties)
Ambassadeurs : Donner, Jan-Hein (3x), Schweber, Samuel (3x), Cuellar Gacharna, Miguel (2x), Szabo, Laszlo (2x), Pogats, Jozsef Jr. (2x), Bouna, Safwan younes (2x), Gligoric, Sofija (2x), Vesterinen, Jorma (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…a6 11…Bd7 11…Rd8 11…b6
<1800 7 71% 14% — 14%
1800-2200 65 48% 11% 25% 15%
2200-2600 121 36% 25% 21% 17%
2600+ 7 71% — — 29%
Évolution par décennie (% des parties)
Décennie N parties 11…a6 11…Bd7 11…Rd8 11…b6
1950s 40 38% 25% 12% 25%
1960s 46 35% 20% 30% 13%
1970s 47 15% 45% 23% 15%
1980s 27 30% 41% 22% 7%
1990s 54 44% 17% 19% 17%
2000s 65 49% 17% 25% 8%
2010s 58 47% 12% 22% 17%
2020s 5 60% — 20% 20%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…a6 47% 60% ▲ +13.4%
11…Bd7 12% 0% ▼ -12.1%
11…Rd8 22% 20% ▼ -2.4%
11…b6 17% 20% ▲ +2.8%
Parties historiques
11…a6 — 38.6% (132 parties)
1955 — Lein, Anatoly vs Alexander Tadala — 1-0 — USSR
1956 — Ujtelky, Maximilián Samuel Rudolf vs Kozma, Julius — 1/2-1/2 — Podebrady CZE
1957 — Furman, Semyon vs Reshko, Aron — 1/2-1/2 — Kiev UKR
1958 — Pachman, Ludek vs Sterner, Olof — 1-0 — Munchen olm
1958 — Petrosian, Tigran V. vs Averbakh, Yuri L — 1/2-1/2 — Portoroz izt
11…Bd7 — 22.8% (78 parties)
1955 — Bak, Istvan vs Kluger, Gyula — 0-1 — Szeged HUN
1956 — Szabo, Laszlo vs Padevsky, Nikola — 1/2-1/2 — Moscow RUS
1958 — Geller, Efim P. vs Matanovic, Aleksandar — 1-0 — Yugoslavia
1958 — Geller, Efim P. vs Matanovic, Aleksandar — 1-0 — Zagreb tt
1958 — Ojanen, Kaarle S vs Eken, Max — 0-1 — Munchen olm
11…Rd8 — 22.2% (76 parties)
1955 — Szabo, Laszlo vs Gligorić, Svetozar — 1/2-1/2 — Buenos Aires ARG
1958 — Keres, Paul vs Bronstein, David I — 1/2-1/2 — Vilnius LTU
1959 — Radev Iordanov, Nikolay vs Gray, Denis — 1-0 — Budapest HUN
1959 — O'Kelly de Galway, Alberic vs Secchi, Eduardo — 1-0 — ICCF
1959 — Gligoric, Svetozar vs Matanovic, Aleksandar — 1/2-1/2 — Kragujevac ch14-YUG
11…b6 — 14.6% (50 parties)
1954 — Cuellar Gacharna, Miguel vs Vesterinen, Jorma — 1-0 — Amsterdam NED
1954 — Szabo, Laszlo vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1955 — Szabo, Laszlo vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1955 — Kluger, Gyula vs Arlamowski, Edward — 1-0 — Prague tm Prague CZE
1958 — Johannsson, Ingi R vs Bouna, Safwan younes — 1-0 — Munich GER