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E54m — Main Line, Karpov (1933)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 cxd4 9.exd4 b6 10.Bg5 Bb7 11.Rc1
Les coups candidats
11…Nbd7 — 42.4% (299 parties)
Ambassadeurs : Coleman, Peter L (4x), Grant, Jonathan I M (4x), Brodsky, Michail (4x), Polugaevsky, Lev (3x), Gligoric, Svetozar (3x), Ablancourt, Jordan (3x), Balashov, Yuri (2x), Anay Barche (2x)
11…Nc6 — 32.2% (227 parties)
Ambassadeurs : Nowak, Ireneusz (6x), Bordenave, Roberto (5x), Karpov, Anatoly (4x), Brodsky, Michail (4x), Speelman, Jon S (3x), Alekseev, Evgeny (3x), Hlavica, Bretislav (3x), Borkowski, Franciszek (2x)
11…h6 — 13.8% (97 parties)
Ambassadeurs : Hlavica, Bretislav (4x), Paravyan, David (2x), Junge, Wolfgang (2x), Bordenave, Roberto (2x), Nowak, Ireneusz (2x), Huguet Reina, Carlos (2x), Gligorić, Svetozar (1x), Marjanovic, Slavoljub (1x)
11…Be7 — 7.8% (55 parties)
Ambassadeurs : Gheorghiu, Florin (2x), Spraggett, Kevin (2x), Fossan, Erik (2x), Djuric, Stefan (2x), Rabar, Braslav (1x), Darga, Klaus (1x), Psarras, S. (1x), Zahilas, Loukas N. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Nbd7 11…Nc6 11…h6 11…Be7
<1800 19 21% 42% 37% —
1800-2200 203 36% 38% 19% 4%
2200-2600 381 47% 27% 11% 9%
2600+ 49 29% 47% 10% 10%
Évolution par décennie (% des parties)
Décennie N parties 11…Nbd7 11…Nc6 11…h6 11…Be7
1960s 3 67% — — 33%
1970s 17 41% 18% — 35%
1980s 40 58% 18% 5% 15%
1990s 106 55% 24% 1% 13%
2000s 172 56% 34% 1% 6%
2010s 286 34% 36% 21% 5%
2020s 81 19% 36% 40% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Nbd7 34% 19% ▼ -15.4%
11…Nc6 36% 36% ▼ -0.6%
11…h6 21% 40% ▲ +18.5%
11…Be7 5% 2% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 5 parties
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie
Parties historiques
11…Nbd7 — 42.4% (299 parties)
1964 — Abanin, Vladimir vs Anay Barche — 1/2-1/2 — Ordzhonikidze
1967 — Zinn, Lothar vs Johansson, Ingi Randver — 1/2-1/2 — Halle zt Halle GER
1975 — Portisch, Ferenc vs Dely, Peter — 1/2-1/2 — Kecskemet HUN
1975 — Taimanov, Mark vs Anay Barche — 1/2-1/2 — Brno CZE
1977 — Busch, Raimund vs Haufe, Werner — 1/2-1/2 — corr FRG/K
11…Nc6 — 32.2% (227 parties)
1975 — Portisch, Lajos vs Karpov, Anatoly — 1/2-1/2 — Milan ITA
1975 — Portisch, Lajos vs Karpov, Anatoly — 1/2-1/2 — Milan ITA
1977 — Gligoric, Sofija vs Karpov, Aleksandr — 1/2-1/2 — Tilburg NED
1982 — Weaver, Norris vs Evans, Larry — 0-1 — US Open
1982 — Markmann, Ulrich vs Fahnenschmidt, Gerhard — 0-1 — Duitsland tt
11…h6 — 13.8% (97 parties)
1982 — Gligorić, Svetozar vs Marjanovic, Slavoljub — 1-0 — Vrbas
1982 — Gligoric, Sofija vs Marjanovic, Adam — 1-0 — Yugoslavia
1997 — Hunt, Harriet V vs Grant, Jonathan I M — 1-0 — Walsall
2003 — Schumacher, Klaus vs Melzer, Wilfried — 0-1 — ?
2007 — Opryatkin, Nikolay Nikolaevich vs Zolochevsky, Valery A — 1/2-1/2 — ICCF
11…Be7 — 7.8% (55 parties)
1961 — Rabar, Braslav vs Darga, Klaus — 1/2-1/2 — Graz AUT
1974 — Taimanov, Mark vs Grefe, John A — 1/2-1/2 — Slncev Brjag
1976 — Kuzmin, Gennadi vs Gheorghiu, Florin — 1/2-1/2 — Sochi RUS
1976 — Sanguinetti, Ricardo vs Schweber, Samuel — 1/2-1/2 — Mar del Plata ARG
1977 — Donner, Jan-Hein vs Van der Vliet, Fred — 1-0 — Leeuwarden ch-NED