E19j - 9…c5 - Old Main Line (1934)

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E19j — Old Main Line (1934)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 c5
Les coups candidats
Ambassadeurs : Karpov, Anatoly (27x), Andersson, Ulf (26x), Weber, Karlheinz (19x), Timman, Jan H (14x), Ilyasov, Anatoly Fedorovich (14x), Kýhos, Alois (12x), Jones, Brian (12x), Borisovs, Leonids (11x)
Ambassadeurs : Ivkov, Borislav (9x), Andersson, Ulf (7x), Ribli, Zoltan (7x), Portisch, Lajos (6x), Beliavsky, Alexander G (5x), Karpov, Anatoly (5x), Pomar Salamanca, Arturo (4x), Gheorghiu, Florin (4x)
10.dxc5 — 7.1% (199 parties)
Ambassadeurs : Laketic, Gojko (2x), Wenzel, Birger (2x), Espinosa Flores, Rafael Emilio (1x), Kamenetsky (1x), Huguet, Bernard (1x), Conan, Claude (1x), Litmanowicz, Wladyslaw (1x), Cobo Arteaga, Eldis (1x)
10.Bf4 — 6.7% (186 parties)
Ambassadeurs : Bares, Jirí (5x), Portych, Václav (4x), Voronin, Alexandr (3x), Chitescu, Ioan (3x), Kunin, Vitaly (3x), Anikaev, Yuri N (2x), Jones, Brian (2x), Da Silva Filho, Alcindo Luz Bastos (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Rd1 10.b3 10.dxc5 10.Bf4
<1800 119 68% 5% 11% 6%
1800-2200 1044 70% 4% 8% 9%
2200-2600 1168 68% 11% 6% 5%
2600+ 79 77% 19% 1% 3%
Évolution par décennie (% des parties)
Décennie N parties 10.Rd1 10.b3 10.dxc5 10.Bf4
1950s 1 — — 100% —
1960s 33 52% 12% 6% 3%
1970s 200 70% 12% 6% 2%
1980s 207 66% 15% 5% 2%
1990s 320 58% 12% 12% 4%
2000s 656 75% 6% 8% 3%
2010s 1230 71% 6% 6% 11%
2020s 144 69% 7% 11% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Rd1 71% 69% ▼ -1.7%
10.b3 6% 7% ▲ +1.3%
10.dxc5 6% 11% ▲ +5.5%
10.Bf4 11% 4% ▼ -7.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 3 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
10.Rd1 — 69.8% (1947 parties)
1962 — Pomar Salamanca, Arturo vs Jimenez Alastre Jorge Ernesto — 1/2-1/2 — Varna olm
1964 — Ivkov, Borislav vs Parma, Bruno — 1/2-1/2 — Belgrade SRB
1964 — Kolbak, Jens vs Csom, Istvan — 1/2-1/2 — Krakow POL
1967 — Janosevic, Dragoljub vs Pachman, Ludek — 1-0 — Venice ITA
1967 — Miguel, Nahuel vs Keres, Paul Petrovich — 1/2-1/2 — Moscow RUS
10.b3 — 7.8% (217 parties)
1966 — Toran Albero, Roman vs Tal, Mikhail — 1/2-1/2 — Palma de Majorca ESP
1966 — Pomar Salamanca, Arturo vs Spassky, Boris Vasily — 1/2-1/2 — Havana ol
1966 — Pomar Salamanca, Arturo vs Portisch, Lajos — 1/2-1/2 — Havana olm
1968 — Sapi, Laszlo vs Lengyel, Agnes — 1/2-1/2 — HUN
1970 — Gheorghiu, Florin vs Kholmov, Ratmir D — 1/2-1/2 — Budapest HUN
10.dxc5 — 7.1% (199 parties)
1952 — Litmanowicz, Wladyslaw vs Cobo Arteaga, Eldis — 1/2-1/2 — Helsinki olm
1961 — Espinosa Flores, Rafael Emilio vs Kamenetsky — 1-0 — Buenos Aires ARG
1963 — Huguet, Bernard vs Conan, Claude — 1/2-1/2 — Paris FRA
1970 — Miguel, Nahuel vs Gheorghiu, Florin — 1/2-1/2 — Buenos Aires ARG
1970 — Camara, Helder vs Bolbochan, Julio — 1-0 — Villa Gesell ARG
10.Bf4 — 6.7% (186 parties)
1969 — Faibisovich, Vadim Z vs Anikaev, Yuri N — 0-1 — Vilnius LTU
1970 — Naranja, Renato vs Johannessen, Svein — 0-1 — Siegen olm
1976 — Giorgadze, Tamaz vs Anikaev, Yuri N — 1-0 — Tbilisi GEO
1977 — Kuzmin, Gennadi vs Smyslov, Vasily — 1/2-1/2 — Leningrad RUS
1982 — Carlsen, Karl vs Kolsi, Ari — 1-0 — ?