D40h - 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O - Semi-Tarrasch Symmetrical Variation

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D40h — Semi-Tarrasch Symmetrical Variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O
Les coups candidats
8.b3 — 38.9% (63 parties)
Ambassadeurs : Marshall Viele, Fabrizio Aaron (3x), Tarrasch, Siegbert (3x), Wallace, Albert E N (2x), Nimzowitsch, Aron (2x), Janowski, Dawid (2x), Gruenfeld, Ernst (2x), Vajda, Arpad (1x), Sawyer, Joseph (1x)
8.a3 — 29.6% (48 parties)
Ambassadeurs : Tennenwurzel, Edward (2x), Williams, Elijah J (1x), Kennedy, Hugh A (1x), Baender, Paul (1x), Michel, Pascal (1x), Bodstrup Christoffersen, Jens Emil (1x), Harksen (1x), Gargulak Metodej (1x)
8.Qe2 — 8.0% (13 parties)
Ambassadeurs : Leonhardt, Paul (3x), Salwe, George (2x), Kostic, Boris (1x), Perlis, Julius (1x), Middleton, Edward Empson jnr (1x), Sergeant, Edward (1x), Tennenwurzel, Edward (1x), Bernstein, Jacob (1x)
8.dxc5 — 6.8% (11 parties)
Ambassadeurs : Burn, Amos (2x), Salwe, George (2x), Berger, Johann (1x), Berger, Jacob (1x), Steiner, Bernat (1x), Mueller, Nandor (1x), Nimzowitsch, Aaron (1x), Spielmann, Rudolf (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.b3 8.a3 8.Qe2 8.dxc5
<1800 10 20% 20% — 10%
1800-2200 38 45% 42% — —
2200-2600 12 50% 42% — —
Évolution par décennie (% des parties)
Décennie N parties 8.b3 8.a3 8.Qe2 8.dxc5
1840s 1 — 100% — —
1900s 14 43% 14% 14% 21%
1910s 20 15% 35% 35% 10%
1920s 14 79% 14% 7% —
1930s 3 33% 67% — —
1940s 2 50% — 50% —
1950s 2 — — — 100%
1960s 2 50% — 50% —
1970s 2 50% 50% — —
1980s 4 50% 25% — —
1990s 15 27% 33% — 7%
2000s 40 50% 20% — —
2010s 40 30% 45% 2% 8%
2020s 3 33% 33% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.b3 30% 33% ▲ +3.3%
8.a3 45% 33% ▼ -11.7%
8.Qe2 2% 0% ▼ -2.5%
8.dxc5 8% 0% ▼ -7.5%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 1 partie
Parties historiques
8.b3 — 38.9% (63 parties)
1902 — Bleykmans, Dirk vs Loman, Rudolf — 0-1 — Hannover GER
1904 — Sawyer, Joseph vs Jacobs, CS. — 1-0 — Montreal CAN
1905 — Marshall Viele, Fabrizio Aaron vs Tarrasch, Siegbert — 1/2-1/2 — Nuerenberg GER
1905 — Janowsky, D. vs Marshall Viele, Fabrizio Aaron — 1-0 — Ostende
1906 — Wainwright George Edward vs Atkins, Henry Ernest — 0-1 — Shrewsbury
8.a3 — 29.6% (48 parties)
1846 — Williams, Elijah J vs Kennedy, Hugh A — 0-1 — London ENG
1906 — Salwe, Georg vs Spielmann, Rudolf — 1/2-1/2 — Ostend
1909 — Gargulak Metodej vs Brach, Julius — 0-1 — Brno CZE
1910 — Salwe, Georg H S vs Rotlewi, Georg — 1/2-1/2 — Lodz m Lodz POL
1911 — Morris Wambui vs Johner, Paul — 0-1 — New York, NY USA
8.Qe2 — 8.0% (13 parties)
1906 — Salwe, Georg H S vs Forgacs, Leo — 0-1 — Nuerenberg GER
1906 — Salwe, Georg vs Tarrasch, Siegbert — 1-0 — Nuerenberg GER
1911 — Leonhardt, Paul vs Kostic, Boris — 1-0 — Carlsbad CZE
1911 — Salwe, George vs Leonhardt, Paul — 1/2-1/2 — Carlsbad CZE
1911 — Leonhardt, Paul vs Perlis, Julius — 1/2-1/2 — Carlsbad CZE
8.dxc5 — 6.8% (11 parties)
1900 — Berger, Johann vs Burn, Amos — 0-1 — Munich Kongress
1900 — Berger, Jacob vs Burn, Amos — 0-1 — Munich GER
1906 — Steiner, Bernat vs Mueller, Nandor — 0-1 — Gyor
1910 — Salwe, George vs Nimzowitsch, Aaron — 1-0 — Hamburg GER
1910 — Salwe, George vs Spielmann, Rudolf — 0-1 — Hamburg GER