D60j - 7.Bd3 dxc4 8.Bxc4 a6 - Orthodox Botvinnik

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D60j — Orthodox Botvinnik
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Bd3 dxc4 8.Bxc4 a6
Les coups candidats
9.a4 — 49.6% (253 parties)
Ambassadeurs : Stahlberg, Gideon (5x), Spielmann, Rudolf (3x), Janowski, Dawid (3x), Schlechter, Carl (2x), Popiel, Ignacy (2x), Wolf, Hans-Josef (2x), Gligorić, Svetozar (2x), Friedmann Henryk (2x)
9.O-O — 38.4% (196 parties)
Ambassadeurs : Burn, Amos (5x), Marshall Viele, Fabrizio Aaron (3x), Marchand, Max (2x), Suechting, Hugo (2x), Swiderski, Radoslaw (2x), Teichmann, Richard (2x), Rubinstein, Akiba (2x), Cohn, Erich (2x)
9.a3 — 4.1% (21 parties)
Ambassadeurs : Diaz Garcia, Pablo (1x), Crespo Fernandez, Juan Jose (1x), Jovic, Nada (1x), Puljek-Salai, Zorica (1x), Ortega Adan, Manuel (1x), Rodriguez Berral, Fernando (1x), Becker, Robert (1x), Thielen, Dankward (1x)
9.Bd3 — 3.5% (18 parties)
Ambassadeurs : Teichmann, Richard (1x), Maroczy, Geza (1x), Pirnat, Saso (1x), Raspor, Gregor (1x), Tughushi, Ioseb (1x), Rukhaia, Kartlos (1x), Reinke, Kurt (1x), Rahn, Oskar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.a4 9.O-O 9.a3 9.Bd3
<1800 25 24% 48% 4% 12%
1800-2200 184 45% 41% 8% 3%
2200-2600 112 73% 21% 1% 4%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.a4 9.O-O 9.a3 9.Bd3
1890s 4 50% 50% — —
1900s 28 50% 43% — 4%
1910s 10 20% 70% — —
1920s 6 50% 50% — —
1930s 11 64% 18% — —
1940s 7 86% 14% — —
1950s 4 100% — — —
1960s 7 43% 57% — —
1970s 3 100% — — —
1980s 14 71% 14% — —
1990s 74 45% 41% 7% 1%
2000s 170 45% 41% 5% 4%
2010s 155 52% 37% 5% 5%
2020s 17 53% 35% — 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.a4 52% 53% ▲ +1.3%
9.O-O 37% 35% ▼ -1.5%
9.a3 5% 0% ▼ -4.5%
9.Bd3 5% 12% ▲ +7.2%
Parties historiques
9.a4 — 49.6% (253 parties)
1898 — Burn, Amos vs Schlechter, Carl — 0-1 — Vienna AUT
1899 — Pillsbury, Harry vs Schlechter, Carl — 1-0 — London ENG
1900 — Burn, Allan vs Bellingham, John — 1-0 — Manchester ENG
1900 — Von Bardeleben, Curt vs Popiel, Ignacy — 0-1 — Munich GER
1900 — Billecard, Moritz vs Popiel, Ignacy — 1/2-1/2 — Munich GER
9.O-O — 38.4% (196 parties)
1897 — Burn, Amos vs Janowski, Dawid — 0-1 — Berlin GER
1898 — Burn, Amos vs Trenchard, Herbert W — 1-0 — Vienna AUT
1905 — Burn, Amos vs Marchand, Max — 1/2-1/2 — Ostende
1905 — Marshall Viele, Fabrizio Aaron vs D Marco, Gianni — 1-0 — Ostende
1905 — Baird, David vs Jones, ES. — 1/2-1/2 — Cable Match
9.a3 — 4.1% (21 parties)
1992 — Jovic, Nada vs Puljek-Salai, Zorica — 1/2-1/2 — Pula CRO
1993 — Ortega Adan, Manuel vs Rodriguez Berral, Fernando — 0-1 — ESP
1997 — Diaz Garcia, Pablo vs Crespo Fernandez, Juan Jose — 0-1 — Asturias
1998 — Becker, Robert vs Thielen, Dankward — 1-0 — Passau
1998 — Gutierrez Coya, Julio Hernan vs Fernandez Gonzalez, Juan Alfonso — 1/2-1/2 — Asturias
9.Bd3 — 3.5% (18 parties)
1907 — Teichmann, Richard vs Maroczy, Geza — 1/2-1/2 — Carlsbad CZE
1991 — Pirnat, Saso vs Raspor, Gregor — 1-0 — Slovenia ch
2000 — Altea, Eduardo vs Delalleau, Bruno — 0-1 — ?
2002 — Storkebaum, Karl-Heinz vs Dryzek, Tadeusz — 0-1 — Bad Woerishofen GER
2002 — Hajagos, Janos vs Gombos, Janos — 1/2-1/2 — HUN