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E54f — Main Line
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
Eval: [+0.00]
Les coups candidats
Ambassadeurs : Salzmann, Stefan (32x), Hildebrand, Gerald (22x), Korobov, Anton (21x), Portisch, Lajos (19x), Junge, Wolfgang (19x), Bordenave, Roberto (19x), Eperjesi, Laszlo Dr. (18x), Tudor, Vasile (18x)
Ambassadeurs : Emms, John M (8x), Schlosser, Philipp (8x), Iordachescu, Viorel (7x), Dreev, Aleksey (6x), Khenkin, Igor (6x), Lautier, Joel (5x), Dautov, Rustem (5x), Kharitonov, Adil (4x)
9…Nbd7 — 8.5% (613 parties)
Ambassadeurs : Kveinys, Aloyzas (7x), Eperjesi, Laszlo Dr. (6x), Tolush, Alexander V (5x), Kovacevic, Aleksandar (5x), Nguyen Van Huy (5x), Tolush, Alexander (4x), Acs, Peter (4x), Korchnoi, Viktor (4x)
9…Nc6 — 7.0% (504 parties)
Ambassadeurs : Alatortsev, Vladimir N. (4x), Potrata, Janko (4x), Jobava, Baadur (3x), Aleksandrov Ivanchev, Aleksandar (3x), Petrosian, Tigran A. (2x), Olafsson, Fridrik (2x), Heemskerk, Fenny (2x), Luckis, Marcos (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…b6 9…a6 9…Nbd7 9…Nc6
<1800 98 60% 9% 3% 19%
1800-2200 1665 71% 6% 6% 8%
2200-2600 4317 71% 9% 10% 6%
2600+ 349 82% 11% 4% 2%
Évolution par décennie (% des parties)
Décennie N parties 9…b6 9…a6 9…Nbd7 9…Nc6
1860s 1 100%
1920s 2 50% 50%
1930s 11 64% 9% 27%
1940s 15 40% 27% 13% 20%
1950s 47 9% 28% 32% 21%
1960s 57 47% 9% 18% 11%
1970s 163 80% 6% 6% 4%
1980s 314 72% 9% 7% 5%
1990s 916 56% 13% 14% 8%
2000s 1798 58% 16% 11% 9%
2010s 2936 77% 5% 6% 6%
2020s 988 87% 2% 3% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…b6 77% 87% ▲ +9.7%
9…a6 5% 2% ▼ -2.8%
9…Nbd7 6% 3% ▼ -3.5%
9…Nc6 6% 4% ▼ -1.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 7 parties
Kramnik, Vladimir — 7 parties
Carlsen, Magnus — 6 parties
Kasparov, Garry — 3 parties
Ding, Liren — 3 parties
Ju, Wenjun — 3 parties
Euwe, Max — 2 parties
Alekhine, Alexander — 2 parties
Tal, Mikhail — 2 parties
Hou, Yifan — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
9…b6 — 70.3% (5098 parties)
1920 — Johner, Paul vs Berndtsson, Karl — 1-0 — Goteborg SWE
1933 — Alekhine, Alexander vs Baratz, Abraham — 1-0 — Paris Paris FRA
1933 — Alekhine, Alexander vs Baratz, Abraham — 1-0 — Paris FRA
1938 — Alatortsev, Vladimir N. vs Vasiliev, Viktor A — 1-0 — Leningrad RUS
1938 — Eliskases, Erich vs Schmidt, Pascal — 1-0 — Noordwijk
9…a6 — 8.7% (633 parties)
1936 — Opocensky, Karel vs Donegan, Alfred — 1-0 — Trebitsch mem19
1946 — Kotov Lundqvist, Alex vs Estrin, Yakov — 1/2-1/2 — Moscow RUS
1949 — Kottnauer, Cenek vs Rossolimo, Nicolas — 1/2-1/2 — Venice ITA
1949 — Foltys, Jan vs Stalda, Giuseppe — 1-0 — Venice ITA
1949 — Furman, Slavomir vs Bannik, Anatolij — 0-1 — Vilnius LTU
9…Nbd7 — 8.5% (613 parties)
1931 — Bolbochan, J. vs Ibanez Guillen, Enrique — 1-0 — Argentina
1935 — ? vs Herzog, Franz — 1/2-1/2 — Konstantinsbad
1937 — Glass, Eduard vs Weinstock, Karl — 0-1 — Vienna AUT
1944 — Denker, Arnold S vs Kashdan, Isaac — 0-1 — New York, NY USA
1949 — Kottnauer, Cenek vs Lokvenc, Josef — 1-0 — CZE-AUT Prague CZE
9…Nc6 — 7.0% (504 parties)
1861 — Schmorl, Alfred vs Lange, Max — 1-0 — Leipzig GER
1920 — Euwe, Max vs Berndtsson, Karl — 1-0 — Goteborg SWE
1942 — Lilienthal, Andor vs Boleslavsky, Isaac — 0-1 — Kuibyshev
1949 — Alatortsev, Vladimir N. vs Poliak, Abram — 1/2-1/2 — Moscow RUS
1949 — Alatortsev, Vladimir N. vs Kan, Ilya A — 1-0 — Moscow RUS