D42b - 7…Be7 - Semi-Tarrasch (1932)

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D42b — Semi-Tarrasch (1932)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 Be7
Les coups candidats
8.O-O — 95.0% (747 parties)
Ambassadeurs : Averbakh, Yuri L (14x), Pachman, Ludek (14x), Portisch, Lajos (11x), Bisguier, Arthur B (10x), Korchnoi, Viktor (7x), Szabo, Laszlo (7x), Krogius, Nikolai V (6x), Tal, Mikhail (6x)
8.a3 — 3.7% (29 parties)
Ambassadeurs : Tal, Mikhail (2x), Gyurkovics, Miklos (2x), Aronian, Levon (2x), Ivkov, Borislav (1x), Kluger, Gyula (1x), Larsen, Bent Ravn (1x), Miguel, Nahuel (1x), De Souza Mendes, Joao (1x)
8.Nxd5 — 0.8% (6 parties)
Ambassadeurs : Geller, Alexander (1x), Averbakh, Yuri L (1x), Uhlmann, Wolfgang (1x), Trifunovic, Petar (1x), Saduakassova, Dinara (1x), Dronavalli, Harika (1x), Launhardt, Wolfgang (1x), Kuzmin, Konstantin (1x)
8.dxc5 — 0.1% (1 parties)
Ambassadeurs : Hajas, I. (1x), Timar, Zsolt (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.a3 8.Nxd5 8.dxc5
<1800 19 84% 11% — —
1800-2200 110 92% 5% 2% —
2200-2600 380 96% 3% 1% —
2600+ 45 93% 7% — —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.a3 8.Nxd5 8.dxc5
1950s 46 98% — 2% —
1960s 115 95% 4% 1% —
1970s 76 97% 3% — —
1980s 105 97% 2% — 1%
1990s 82 98% 2% — —
2000s 104 98% 2% — —
2010s 176 92% 5% 2% —
2020s 82 89% 9% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 92% 89% ▼ -3.0%
8.a3 5% 9% ▲ +3.4%
8.Nxd5 2% 1% -0.5%
8.dxc5 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 3 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
8.O-O — 95.0% (747 parties)
1951 — Kramer, Haije vs Kieninger, Georg — 1/2-1/2 — Beverwijk NED
1951 — Ivkov, Borislav vs Harris, Peter — 1-0 — Birmingham/Coventry
1951 — Florian, Tibor vs Stein, Georg — 1/2-1/2 — Bucharest ROU
1951 — Gentil Junior, Luiz vs Maragliano, Laercio — 1/2-1/2 — Fortaleza BRA
1951 — Chestnov, Vitaliy A. vs Sokolsky, Alexey — 1-0 — Tbilisi GEO
8.a3 — 3.7% (29 parties)
1960 — De Souza Mendes, Joao vs Gentil Junior, Luiz — 1/2-1/2 — Fortaleza BRA
1968 — Ivkov, Borislav vs Kluger, Gyula — 1/2-1/2 — Sombor
1968 — Kortsjnoi vs Tal, Mikhail — 1/2-1/2 — Moskou ct m
1968 — Korchnoi, Viktor vs Tal, Mikhail — 1/2-1/2 — Moscow RUS
1969 — Larsen, Bent Ravn vs Miguel, Nahuel — 1-0 — Palma de Majorca ESP
8.Nxd5 — 0.8% (6 parties)
1959 — Geller, Alexander vs Averbakh, Yuri L — 0-1 — Erevan ARM
1965 — Uhlmann, Wolfgang vs Trifunovic, Petar — 1/2-1/2 — Sarajevo BIH
2015 — Barta, Zoltan vs Lengyel, Laszlo — 1/2-1/2 — HUN
2016 — Saduakassova, Dinara vs Dronavalli, Harika — 1/2-1/2 — Abudhabi UAE
2016 — Launhardt, Wolfgang vs Kuzmin, Konstantin — 1/2-1/2 — LSS
8.dxc5 — 0.1% (1 parties)
1986 — Hajas, I. vs Timar, Zsolt — 0-1 — corr Hungary