A65j - 9…a6 - Benoni (1954)

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A65j — Benoni (1954)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O a6
Les coups candidats
10.a4 — 95.2% (846 parties)
Ambassadeurs : Knaak, Rainer (7x), Ghitescu, Theodor (6x), Bak, Istvan (4x), Nunn, John D M (4x), Teske, Henrik (4x), Kas-Fromm, Rita, Dr. (4x), Miles, Anthony J (3x), Gruenfeld, Yehuda (3x)
10.Rb1 — 1.6% (14 parties)
Ambassadeurs : Pachman, Ludek (2x), Zierke, Oliver (2x), Ilic, Zoran (1x), Hochadel, Oliver (1x), Fink-Nunn, Petra (1x), Seirawan, Yasser (1x), Salmon, Neil V. (1x), Hoerstmann, Martin (1x)
10.a3 — 1.0% (9 parties)
Ambassadeurs : Damjanovic, Mato (1x), Matulovic, Milan (1x), Schienmann, Bruno (1x), Haag, Guenter (1x), Corral Blanco, Juan Antonio (1x), Hernandez Guerrero, Gilberto (1x), Wintzer, Joachim, Dr. (1x), Gabler, Bernd (1x)
10.Bg5 — 1.0% (9 parties)
Ambassadeurs : Bruehlmann, Rolf (1x), Groseibl, Ronald P (1x), Astengo, Marcello (1x), Gatterer, Florian (1x), Zubia Aramburu, Mikel (1x), Boulinguez, Jean-Marc (1x), Gonzalez Velez, Fermin (1x), Reinaldo Castineira, Roi (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.a4 10.Rb1 10.a3 10.Bg5
<1800 38 92% — — 3%
1800-2200 355 94% 1% 1% 2%
2200-2600 341 96% 2% 1% 0%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10.a4 10.Rb1 10.a3 10.Bg5
1950s 2 100% — — —
1960s 36 97% — 3% —
1970s 34 100% — — —
1980s 125 96% 2% 1% 1%
1990s 172 96% 2% 2% —
2000s 279 94% 3% 0% 2%
2010s 215 93% 0% 1% 1%
2020s 26 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.a4 93% 100% ▲ +6.5%
10.Rb1 0% 0% -0.5%
10.a3 1% 0% ▼ -1.4%
10.Bg5 1% 0% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
10.a4 — 95.2% (846 parties)
1954 — Mileika, Janis vs Tal, Mikhail — 0-1 — Riga LAT
1957 — Hasek, Josef vs Macek, Oldrich — 1-0 — Brno CZE
1960 — Penrose, Justin vs Tal, Mikhail — 1-0 — Leipzig olm
1961 — Molnar, Imre vs Varnusz, Egon — 1-0 — Budapest ch-HUN
1961 — Ader Hausman, Walter vs Schroeder, Eduardo — 1/2-1/2 — Santiago de Chile
10.Rb1 — 1.6% (14 parties)
1981 — Pachman, Ludek vs Ilic, Zoran — 0-1 — Lugano SUI
1989 — Hochadel, Oliver vs Fink-Nunn, Petra — 1-0 — GER
1992 — Pachman, Ludek vs von Hoesslin, Holger — 1-0 — Bad Worishofen WchS
1994 — Seirawan, Yasser vs Salmon, Neil V. — 1-0 — Seattle, WA USA
1997 — Hoerstmann, Martin vs Kind, Bertram — 1/2-1/2 — Essen GER
10.a3 — 1.0% (9 parties)
1961 — Damjanovic, Mato vs Matulovic, Milan — 1/2-1/2 — Sarajevo BIH
1983 — Schienmann, Bruno vs Haag, Guenter — 1-0 — Zurich SUI
1990 — Wintzer, Joachim, Dr. vs Gabler, Bernd — 1-0 — GER
1997 — Seirawan, Yasser vs Comp Zarkov — 1-0 — The Hague NED
1999 — Corral Blanco, Juan Antonio vs Hernandez Guerrero, Gilberto — 1/2-1/2 — Cala Galdana ESP
10.Bg5 — 1.0% (9 parties)
1985 — Bruehlmann, Rolf vs Groseibl, Ronald P — 1-0 — ?
2000 — Astengo, Marcello vs Gatterer, Florian — 0-1 — Bolzano ITA
2000 — Gonzalez Velez, Fermin vs Reinaldo Castineira, Roi — 1-0 — Barcelona ESP
2004 — Zubia Aramburu, Mikel vs Boulinguez, Jean-Marc — 1-0 — San Sebastian ESP
2005 — Aaron Michael P vs Kleinsorgen, Horst — 1/2-1/2 — IECC