D41r - 5…Nxd5 6.e3 Nc6 7.Bc4 - Semi-Tarrasch (1945)

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D41r — Semi-Tarrasch
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4
Les coups candidats
7…cxd4 — 65.2% (350 parties)
Ambassadeurs : Pachman, Ludek (13x), Uhlmann, Wolfgang (9x), Farago, Ivan (7x), Sliwa, Bogdan (5x), Langeweg, Kick (5x), Portisch, Lajos (4x), Polugaevsky, Lev (4x), Orbaan, Constant (4x)
7…Nxc3 — 15.8% (85 parties)
Ambassadeurs : Zirngibl, Albert (4x), Pachman, Ludek (3x), Botvinnik, Mikhail (2x), Averbakh, Yuri L (2x), Geller, Efim P. (2x), Saemisch, Friedrich (1x), Rellstab, Ludwig Sr (1x), Bronstein, David I (1x)
7…Be7 — 7.8% (42 parties)
Ambassadeurs : Kotov Lundqvist, Alex (2x), Bondarevsky, Igor (2x), Levenfish, Grigory (2x), Pachman, Ludek (2x), Malich, Burkhard, Dr. (2x), Lein, Anatoly (2x), Ravinsky, Grigory (1x), Ivkov, Borislav (1x)
7…Nb6 — 5.4% (29 parties)
Ambassadeurs : Aitken, James (3x), Tal, Mikhail (3x), Milev, Zdravko (2x), Popov, Luben (2x), Wood, Gabriel (1x), Schmidt, Pascal (1x), Keller-Hermann, Edith (1x), Schmidt, Paul Felix (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…cxd4 7…Nxc3 7…Be7 7…Nb6
<1800 6 83% — — 17%
1800-2200 46 59% 20% 7% 9%
2200-2600 225 70% 16% 9% 3%
2600+ 16 62% 25% — —
Évolution par décennie (% des parties)
Décennie N parties 7…cxd4 7…Nxc3 7…Be7 7…Nb6
1930s 2 50% — — —
1940s 24 46% 17% 12% 17%
1950s 60 53% 30% 5% 5%
1960s 90 61% 8% 14% 6%
1970s 65 75% 5% 11% 5%
1980s 71 82% 7% 4% 6%
1990s 66 67% 23% 5% 3%
2000s 74 61% 20% 9% 7%
2010s 66 62% 21% 3% 5%
2020s 19 74% 21% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…cxd4 62% 74% ▲ +11.6%
7…Nxc3 21% 21% -0.2%
7…Be7 3% 5% ▲ +2.2%
7…Nb6 5% 0% ▼ -4.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Botvinnik, Mikhail — 3 parties
Euwe, Max — 3 parties
Kasparov, Garry — 2 parties
Alekhine, Alexander — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7…cxd4 — 65.2% (350 parties)
1938 — Botvinnik, Mikhail vs Alekhine, Alexander — 1-0 — Netherlands AVRO
1941 — Opocensky, Karel vs Foltys, Jan — 1-0 — Prague CZE
1946 — Liublinsky, Victor vs Kamyshov, Mikhail — 1-0 — Moscow RUS
1946 — Petrosian, Tigran A. vs Khavsky, Sergey V — 1-0 — Leningrad RUS
1947 — Saemisch, Friedrich vs Kieninger, Georg — 1/2-1/2 — Essen GER
7…Nxc3 — 15.8% (85 parties)
1946 — Botvinnik, Mikhail vs Szabo, Ladislav — 1-0 — Groningen NED
1948 — Saemisch, Friedrich vs Rellstab, Ludwig Sr — 0-1 — Wesermuende
1949 — Bronstein, David I vs Kotov Lundqvist, Alex — 1/2-1/2 — Moskou ch-URS
1949 — Furman, Slavomir vs Liublinsky, Victor — 1-0 — Moskou ch-URS
1950 — Wood, Gabriel vs Watzl, Leopold — 0-1 — corr Wch1
7…Be7 — 7.8% (42 parties)
1946 — Kotov Lundqvist, Alex vs Bondarevsky, Igor — 1/2-1/2 — Moscow RUS
1948 — Kotov Lundqvist, Alex vs Levenfish, Grigory — 0-1 — Moskou ch-URS
1949 — Ravinsky, Grigory vs Levenfish, Grigory — 1/2-1/2 — Leningrad RUS
1952 — Baranov, Boris vs Lilienthal, Andor — 1-0 — Sochi RUS
1956 — Furman, Slavomir vs Chukaev, Egor — 1/2-1/2 — Tbilisi GEO
7…Nb6 — 5.4% (29 parties)
1940 — Schmidt, Pascal vs Keller-Hermann, Edith — 0-1 — Bad Oeynhausen ch GE
1940 — Schmidt, Paul Felix vs Keller, Hans — 0-1 — Bad Oeynhausen GER
1945 — Brierley, William Leonard vs Aitken, James — 1-0 — London ENG
1949 — Wood, Gabriel vs Aitken, James — 1/2-1/2 — Southsea
1952 — Eliskases, Erich vs Engels, Ludwig — 1/2-1/2 — Sao Paulo BRA