D42c - 7…Be7 8.O-O O-O - Semi-Tarrasch

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D42c — Semi-Tarrasch
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 Be7 8.O-O O-O
Les coups candidats
9.a3 — 61.1% (422 parties)
Ambassadeurs : Ribli, Zoltan (9x), Averbakh, Yuri L (9x), Portisch, Lajos (7x), Bisguier, Arthur B (6x), Farago, Ivan (6x), Korchnoi, Viktor (5x), Furman, Slavomir (5x), Olafsson, Fridrik (4x)
9.Re1 — 15.5% (107 parties)
Ambassadeurs : Pachman, Ludek (5x), Uhlmann, Wolfgang (3x), Bisguier, Arthur B (3x), Popov, Luben (3x), Taimanov, M. (2x), Durasevic, Bozidar (2x), Kholmov, Ratmir D (2x), Robatsch, Karl (2x)
9.Nxd5 — 9.4% (65 parties)
Ambassadeurs : Levenfish, Grigory (4x), Kan, Ilya A (3x), Tukmakov, Vladimir B (3x), Bewersdorff, Oliver (3x), Averbakh, Yuri L (2x), Krogius, Nikolai V (2x), Tal, Mikhail (2x), Eingorn, Vereslav S (2x)
9.Qe2 — 8.8% (61 parties)
Ambassadeurs : Najdorf, Miguel (3x), Szabo, Laszlo (3x), Szabo, Ladislav (2x), Ivkov, Borislav (2x), Udovcic, Mijo (2x), Milev, Zdravko (2x), Korchnoi, Viktor (2x), Carlsen, Magnus (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.a3 9.Re1 9.Nxd5 9.Qe2
<1800 8 62% 12% 12% —
1800-2200 54 52% 19% 9% 15%
2200-2600 344 63% 15% 11% 6%
2600+ 48 58% 6% 6% 19%
Évolution par décennie (% des parties)
Décennie N parties 9.a3 9.Re1 9.Nxd5 9.Qe2
1930s 10 60% — 40% —
1940s 6 50% — — 50%
1950s 38 55% 18% 3% 18%
1960s 96 54% 26% 3% 14%
1970s 62 71% 18% 5% 2%
1980s 91 66% 13% 14% 2%
1990s 72 64% 17% 8% 3%
2000s 98 56% 28% 10% 2%
2010s 153 59% 7% 12% 14%
2020s 65 68% 5% 11% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.a3 59% 68% ▲ +8.2%
9.Re1 7% 5% ▼ -1.9%
9.Nxd5 12% 11% ▼ -1.0%
9.Qe2 14% 15% ▲ +1.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 7 parties
Karpov, Aleksandr — 3 parties
Carlsen, Magnus — 3 parties
Smyslov, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Euwe, Max — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
9.a3 — 61.1% (422 parties)
1936 — Flohr, Salo vs Levenfish, Grigory — 1/2-1/2 — Moscow RUS
1936 — Flohr, Salo vs Levenfish, Grigory — 1/2-1/2 — Moskou
1937 — Levenfish, Grigory vs Ilyin Zhenevsky, Alexander — 1-0 — Tbilisi ch-URS
1938 — Tolush, Alexander vs Bondarevsky, Igor — 1/2-1/2 — Leningrad RUS
1938 — Chekhover, Vitaly vs Bondarevsky, Igor — 1-0 — Leningrad RUS
9.Re1 — 15.5% (107 parties)
1954 — Bannik, Anatolij vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS
1954 — Lisitsin, Georgy vs Bannik, Anatolij — 1/2-1/2 — Kiev ch-URS
1956 — Taimanov, M. vs Kortchnoi, V. — 1/2-1/2 — Leningrad ch-URS
1956 — Lipnitsky, Isaac vs Serebrisky, Alexander S — 1-0 — Kiev UKR
1958 — Taimanov, M. vs Durasevic, Bozidar — 1/2-1/2 — Yugoslavia
9.Nxd5 — 9.4% (65 parties)
1936 — Riumin, Nikolai vs Levenfish, Grigory — 1-0 — Moskou
1937 — Kan, Ilya A vs Levenfish, Grigory — 1-0 — Tbilisi GEO
1937 — Kan, Ilya A vs Levenfish, Grigory — 1-0 — Tbilisi ch-URS
1939 — Kan, Ilya A vs Levenfish, Grigory — 1/2-1/2 — Leningrad RUS
1959 — Keres, Paul Petrovich vs Tal, Mikhail — 1/2-1/2 — Zurich SUI
9.Qe2 — 8.8% (61 parties)
1948 — Najdorf, Miguel vs Acharam Medina, Sebastian Alejandro — 1-0 — Buenos Aires/La Plata
1948 — Najdorf, Miguel vs Horowitz, Albert Israel — 1/2-1/2 — New York, NY USA
1948 — Najdorf, Miguel vs Albert, Horowitz Israel — 1/2-1/2 — New Orleans-Wch
1951 — Ivkov, Borislav vs Harris, Peter A — 1-0 — Birmingham/Coventry
1951 — Kramer, Haije vs Kieninger, Georg — 1/2-1/2 — Beverwijk NED