D41r - 5…Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 - Semi-Tarrasch (1946)

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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 cxd4 8.exd4
Les coups candidats
Ambassadeurs : Pachman, Ludek (12x), Farago, Ivan (9x), Uhlmann, Wolfgang (8x), Portisch, Lajos (4x), Orbaan, Constant (4x), Sliwa, Bogdan (4x), Meduna, Eduard (4x), Polugaevsky, Lev (3x)
8…Bb4 — 21.6% (148 parties)
Ambassadeurs : Charest, Johanne (2x), Levin, Jerome A (1x), Morris, Hazel (1x), Petrosian, Tigran A. (1x), Khavsky, Sergey V (1x), German, Eugenio (1x), Dantas, Nelson (1x), Bobekov, Radko (1x)
8…Nxc3 — 9.9% (68 parties)
Ambassadeurs : Langeweg, Kick (3x), O'Kelly de Galway, Alberic (2x), Euwe, Max (2x), Chekhov, Valery A (2x), Pachman, Ludek (1x), Wallis Moreno, Veronica Isabella (1x), Rossetto, Hector (1x), De Freitas, Manuela Schmitz (1x)
8…Nb6 — 4.2% (29 parties)
Ambassadeurs : Cobo Arteaga, Eldis (1x), Santa Cruz Beneito, Hugo (1x), Cafferty, Bernard (1x), Martin, Roger (1x), Schreiber, Kajetan (1x), Scheil, D. (1x), Popov, Luben (1x), Partos, Charles (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Be7 8…Bb4 8…Nxc3 8…Nb6
<1800 10 50% 30% — 10%
1800-2200 156 44% 40% 7% 8%
2200-2600 290 70% 15% 11% 3%
2600+ 12 92% — 8% —
Évolution par décennie (% des parties)
Décennie N parties 8…Be7 8…Bb4 8…Nxc3 8…Nb6
1910s 1 100% — — —
1930s 2 50% 50% — —
1940s 11 45% 18% 36% —
1950s 34 65% 9% 24% —
1960s 57 86% 2% 9% 2%
1970s 58 78% 7% 7% 3%
1980s 78 74% 12% 9% 4%
1990s 117 55% 25% 13% 5%
2000s 143 54% 31% 8% 6%
2010s 142 57% 27% 9% 5%
2020s 43 58% 37% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Be7 57% 58% ▲ +1.1%
8…Bb4 27% 37% ▲ +9.7%
8…Nxc3 9% 2% ▼ -6.8%
8…Nb6 5% 2% ▼ -2.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Anand, Viswanathan — 3 parties
Botvinnik, Mikhail — 2 parties
Euwe, Max — 2 parties
Alekhine, Alexander — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
8…Be7 — 62.4% (428 parties)
1912 — Mieses, Jacques vs Carls, Carl — 1-0 — Breslau GER
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
1947 — Botvinnik, Mikhail vs Ragozin, Viacheslav — 1-0 — Bolshevo RUS
8…Bb4 — 21.6% (148 parties)
1939 — Levin, Jerome A vs Morris, Hazel — 1/2-1/2 — Ventnor City
1946 — Petrosian, Tigran A. vs Khavsky, Sergey V — 1-0 — Leningrad RUS
1949 — German, Eugenio vs Dantas, Nelson — 1-0 — Rio de Janeiro BRA
1953 — Tartakower, Savielly vs Bergraser, Volf — 1/2-1/2 — Paris FRA
1954 — Bobekov, Radko vs Scafarelli, Francesco — 1-0 — Amsterdam NED
8…Nxc3 — 9.9% (68 parties)
1947 — Saemisch, Friedrich vs Kieninger, Georg — 1/2-1/2 — Essen GER
1948 — Rossetto, Hector vs O'Kelly de Galway, Alberic — 1-0 — Buenos Aires/La Plata
1948 — De Freitas, Manuela Schmitz vs O'Kelly de Galway, Alberic — 0-1 — Mar del Plata ARG
1949 — Pachman, Ludek vs Wallis Moreno, Veronica Isabella — 1-0 — Southsea
1952 — Milan Slade vs Wilkinson, Bernard Landon — 1-0 — Bolton
8…Nb6 — 4.2% (29 parties)
1966 — Cobo Arteaga, Eldis vs Santa Cruz Beneito, Hugo — 1-0 — Havana CUB
1973 — Popov, Luben vs Partos, Charles — 1/2-1/2 — Poiana Brasov
1977 — Cafferty, Bernard vs Martin, Roger — 1-0 — ?
1984 — Vijayeendra Y G vs Ibrahim, Khalil Majeed — 1/2-1/2 — Thessaloniki GRE
1986 — Schreiber, Kajetan vs Scheil, D. — 1-0 — BdF M-class corr