D40n - 8.Bd3 - Semi-Tarrasch (1904)

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D40n — Semi-Tarrasch (1904)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 cxd4 7.exd4 Be7 8.Bd3
Les coups candidats
8…dxc4 — 62.8% (484 parties)
Ambassadeurs : Sveshnikov, Evgeny (7x), Forintos, Gyozo V (4x), Ivkov, Borislav (4x), Guimard, Carlos E (4x), Peterson, Andrejs (3x), Trifunovic, Petar (3x), Szabo, Laszlo (3x), Florian, Tibor (3x)
8…O-O — 32.6% (251 parties)
Ambassadeurs : Bach, Matthias (2x), Schumacher, Helmut (1x), Feller, Josy (1x), Beni, Alfred (1x), O Kelly de Galway Alberic (1x), Barda, Olaf (1x), Pytlakowski, Andrzej (1x), Clarke, Peter (1x)
8…a6 — 3.0% (23 parties)
Ambassadeurs : Carasusan Izcue, Santiago (1x), Alonso Pascual, Francisco (1x), Hagarova, Zuzana (1x), Toth Vano, Peter (1x), Bodner, Alfred (1x), Jancar, Ewald (1x), Guillet, Martin (1x), Slavkov, Ivan (1x)
8…b6 — 0.5% (4 parties)
Ambassadeurs : Baretic, Zvonimir (1x), Burdio Gracia, Delfin (1x), Borsos, Bogdan (1x), Di Lascio, Savino (1x), Schmidt, Ger1 (1x), Khanukov, Boris (1x), Dvirnyy, Danyyil (1x), Lodici, Lorenzo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…dxc4 8…O-O 8…a6 8…b6
<1800 29 52% 31% 17% —
1800-2200 282 49% 44% 5% 0%
2200-2600 330 75% 24% 0% 1%
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…dxc4 8…O-O 8…a6 8…b6
1950s 22 86% 14% — —
1960s 34 74% 26% — —
1970s 30 77% 20% — 3%
1980s 48 75% 23% 2% —
1990s 154 64% 32% 3% —
2000s 243 56% 38% 3% 0%
2010s 193 60% 35% 4% 1%
2020s 47 66% 26% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…dxc4 60% 66% ▲ +5.9%
8…O-O 35% 26% ▼ -9.2%
8…a6 4% 6% ▲ +2.2%
8…b6 1% 2% ▲ +1.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
8…dxc4 — 62.8% (484 parties)
1950 — Trifunovic, Petar vs Horowitz, Albert Israel — 1/2-1/2 — USA
1950 — Guimard, Carlos E vs Trifunovic, Petar — 1/2-1/2 — Mar del Plata ARG
1951 — Florian, Tibor vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1951 — Guimard, Carlos E vs Maderna, Carlos — 1/2-1/2 — Mar del Plata ARG
1953 — Schlieder, Rolf vs Pallwitz, Otto — 1-0 — Jena GER
8…O-O — 32.6% (251 parties)
1951 — Barda, Olaf vs Pytlakowski, Andrzej — 1-0 — Marianske Lazne zt
1959 — Jares, Jakub vs Olexa, Vilem — 1-0 — Bratislava SVK
1959 — Kramer, Haije vs Wade, Robert G — 1/2-1/2 — Cheltenham
1960 — Fazekas, Stephan vs Wood, Baruch — 1/2-1/2 — Leicester
1961 — Beni, Alfred vs O Kelly de Galway Alberic — 1/2-1/2 — ?
8…a6 — 3.0% (23 parties)
1986 — Carasusan Izcue, Santiago vs Alonso Pascual, Francisco — 0-1 — Benidorm
1995 — Bodner, Alfred vs Jancar, Ewald — 1-0 — AUT
1998 — Guillet, Martin vs Slavkov, Ivan — 1-0 — Fouesnant FRA
1998 — Diego Enrique Linares Arias vs Frometa Castillo, Zirka — 1-0 — Semifinal Nac w
1999 — Hagarova, Zuzana vs Toth Vano, Peter — 1-0 — Presov SVK
8…b6 — 0.5% (4 parties)
1976 — Baretic, Zvonimir vs Burdio Gracia, Delfin — 1-0 — Kuortane
2009 — Borsos, Bogdan vs Di Lascio, Savino — 1-0 — Imperia
2019 — Schmidt, Ger1 vs Khanukov, Boris — 0-1 — Radebeul GER
2023 — Dvirnyy, Danyyil vs Lodici, Lorenzo — 0-1 — Monselice ITA