A73d - 9…Bg4 - Classical (1956)

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A73d — Classical (1956)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Bg4
Les coups candidats
Ambassadeurs : Korchnoi, Viktor (4x), Ivkov, Borislav (4x), Ruban, Vadim (4x), Beliavsky, Alexander G (4x), Kapengut, Albert (3x), Bagirov, Vladimir (3x), Zoebisch, Herbert (3x), O'Kelly, Albéric de Galway (2x)
10.Nd2 — 28.8% (275 parties)
Ambassadeurs : Campelli, Cris (2x), Schmidt, Aaron Joel (2x), Giffard, Nicolas (2x), Moody, David W (2x), Tombolis, Christopher (2x), Hernandez Onna, Roman (1x), Halfdanarson, Jon (1x), Kraidman, Yair (1x)
Ambassadeurs : Polugaevsky, Lev (3x), Reinhardt, Enrique (2x), Vilela De Acuna, Jose Luis (2x), Hulak, Krunoslav (2x), Buj, Pablo (2x), Bradbury, Neil H (2x), Pigusov, Evgeny (2x), Lembak, Jurij (2x)
Ambassadeurs : Kapengut, Albert (3x), Spassky, Boris Vasily (2x), Panno, Oscar (2x), Mochalov, Evgeny V (2x), Ree, Hans (2x), Lazarev, Efim M. (1x), Klovsky, Rafail (1x), Uhlmann, Wolfgang (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Bf4 10.Nd2 10.h3 10.Bg5
<1800 45 13% 18% 42% 7%
1800-2200 363 21% 40% 23% 5%
2200-2600 393 40% 24% 21% 7%
2600+ 9 22% 22% 22% 22%
Évolution par décennie (% des parties)
Décennie N parties 10.Bf4 10.Nd2 10.h3 10.Bg5
1950s 14 21% 14% 43% 7%
1960s 27 30% 15% 33% 11%
1970s 67 27% 19% 31% 12%
1980s 104 52% 13% 20% 9%
1990s 171 29% 29% 30% 4%
2000s 259 27% 35% 23% 4%
2010s 247 25% 32% 23% 7%
2020s 65 25% 35% 23% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Bf4 25% 25% -0.1%
10.Nd2 32% 35% ▲ +3.4%
10.h3 23% 23% +0.4%
10.Bg5 7% 3% ▼ -3.8%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Tal, Mikhail — 1 partie
Parties historiques
10.Bf4 — 29.4% (280 parties)
1957 — Ivkov, Borislav vs Trifunovic, Petar — 1/2-1/2 — Sombor
1957 — Weinstein, Raymond vs Saidy, Anthony — 0-1 — Cleveland, OH USA
1959 — Korchnoi, Viktor vs Lutikov, Anatoly S — 1-0 — Tbilisi ch-URS
1962 — Faleg, Alberto vs Benzaquen, Pablo — 1-0 — Buenos Aires ARG
1968 — Pachman, Ludek vs Kaplan, Julio — 1/2-1/2 — Puerto Rico
10.Nd2 — 28.8% (275 parties)
1957 — Grimshaw David vs Anderson, Frank Ross — 1/2-1/2 — Toronto CAN
1959 — Korsakov, Boris vs Bannik, Anatolij — 0-1 — Kiev UKR
1962 — Herren, Walter vs Jakobsen, Ole — 0-1 — Zurich SUI
1966 — Kraidman, Yair vs Cordovil, Joao — 1-0 — La Habana olm prel
1968 — Wiedemann, Franz vs Ungnad, Rainer — 1/2-1/2 — Saarbruecken
10.h3 — 24.9% (238 parties)
1956 — Pinkus, Lutz vs Saidy, Anthony — 0-1 — New York, NY USA
1957 — Smyslov, Vasily vs Filip, Miroslav — 1-0 — Wenen etc
1957 — Furman, Semyon vs Khasin, Abram — 1-0 — Kiev UKR
1959 — Aaron Alex D Souza vs Bongolo, Mendes — 1/2-1/2 — Mar del Plata ARG
1959 — De Souza Mendes, Joao vs Ivkov, Borislav — 1/2-1/2 — Mar del Plata ARG
10.Bg5 — 6.0% (57 parties)
1955 — Stahlberg, Gideon vs Spassky, Boris Vasily — 0-1 — Goteborg SWE
1964 — Uhlmann, Wolfgang vs Dely, Peter — 1-0 — Sarajevo BIH
1964 — Holm, Sejer vs Petersen, Finn — 1-0 — DEN-ch Holstebro
1968 — Lazarev, Efim M. vs Klovsky, Rafail — 1-0 — Riga LAT
1971 — Spassky, Boris Vasily vs Balashov, Yuri — 1/2-1/2 — Moscow RUS