E65g - 8…dxc5 9.Be3 - Fianchetto, Yugoslav, Exchange (1951)

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E65g — Fianchetto, Yugoslav, Exchange (1951)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O Nc6 8.dxc5 dxc5 9.Be3
Les coups candidats
9…Be6 — 46.3% (787 parties)
Ambassadeurs : Konopka, Michal (8x), Fancsy, Imre (4x), Balogh, Peter (4x), Sziva, Erika (4x), Zhidkov, Valery S (4x), Mester, Gyula (4x), Smejkal, Jan (3x), Hulak, Krunoslav (3x)
9…Qa5 — 42.6% (724 parties)
Ambassadeurs : Gligoric, Sofija (8x), Rapaka Samuel Paul (5x), Matanovic, Aleksandar (4x), Penrose, Jonathan (4x), Hulak, Krunoslav (4x), Benko, Pal (3x), Olafsson, Fridrik (3x), Szabo, Laszlo (3x)
9…Nd7 — 5.7% (96 parties)
Ambassadeurs : Muratov, Vladimir A (2x), Wexler, Bernardo (1x), Fauconnier, Thibaut (1x), Kozomara, Vlado (1x), Smailbegovic, Hasan (1x), Petrosian, Tigran V. (1x), Weiss, David (1x), Giustolisi, Alberto (1x)
9…b6 — 1.8% (31 parties)
Ambassadeurs : Chigaev, Maksim (3x), Hauge, Lars Oskar (2x), Nill, Oliver (1x), Kaiser, Christoph (1x), Mueller, Thomas (1x), Mazur, David (1x), Cournoyer, Dominic (1x), Palmer, Jordan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Be6 9…Qa5 9…Nd7 9…b6
<1800 67 33% 45% 9% 6%
1800-2200 547 48% 40% 7% 2%
2200-2600 802 49% 41% 5% 2%
2600+ 22 27% 50% — 14%
Évolution par décennie (% des parties)
Décennie N parties 9…Be6 9…Qa5 9…Nd7 9…b6
1950s 78 19% 73% 4% —
1960s 67 31% 67% 1% —
1970s 49 35% 63% 2% —
1980s 124 60% 36% 3% —
1990s 310 61% 31% 5% 0%
2000s 367 46% 40% 9% 1%
2010s 464 34% 49% 7% 3%
2020s 239 59% 31% 3% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Be6 34% 59% ▲ +24.5%
9…Qa5 49% 31% ▼ -18.0%
9…Nd7 7% 3% ▼ -3.8%
9…b6 3% 5% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
9…Be6 — 46.3% (787 parties)
1951 — Stoltz, Gosta vs Fuderer, Andrija — 1/2-1/2 — It Dortmund GER
1951 — Bahro, Tom vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1953 — Wexler, Bernardo vs Gligoric, Sofija — 0-1 — Mar del Plata ARG
1954 — Porath, Yosef vs Gligoric, Sofija — 0-1 — Amsterdam olm
1955 — Ilivitsky, Georgy A vs Szabo, Laszlo — 1/2-1/2 — Budapest HUN
9…Qa5 — 42.6% (724 parties)
1951 — Udovcic, Mijo vs Bertok, Mario Jr. — 1/2-1/2 — Sarajevo BIH
1951 — Kozomara, Vlado vs Fuderer, Andrija — 1-0 — Ljubljana ch YUG
1952 — Stoltz, Gösta vs Udovcic, Mijo — 0-1 — Belgrade SRB
1952 — GIDEON SUNDAY vs Szabo, Laszlo — 0-1 — Saltsjobaden SWE
1952 — Filip, Miroslav vs Szabo, Laszlo — 0-1 — Helsinki olm
9…Nd7 — 5.7% (96 parties)
1956 — Petrosian, Tigran V. vs Weiss, David — 0-1 — ct, Amsterdam
1957 — Giustolisi, Alberto vs Dreyer, Kurt — 0-1 — Dublin zt
1958 — Kozomara, Vlado vs Smailbegovic, Hasan — 1/2-1/2 — Sarajevo Sarajevo BIH
1960 — Wexler, Bernardo vs Fauconnier, Thibaut — 1-0 — Leipzig ol prel
1974 — Chellstorp, Craig vs Meyer, John — 1/2-1/2 — New York, NY USA
9…b6 — 1.8% (31 parties)
1999 — Nill, Oliver vs Kaiser, Christoph — 1-0 — GER
2000 — Mueller, Thomas vs Mazur, David — 1/2-1/2 — Ceske Budejovice CZE
2007 — Cournoyer, Dominic vs Palmer, Jordan — 1/2-1/2 — Quebec CAN
2008 — Galunov, Todor vs Radovanovic, Dusan — 1/2-1/2 — Senta SER
2011 — Krol, Slawomir vs Wolanski, Michal — 1/2-1/2 — Poland