D64h - 8…Re8 9.a3 - Orthodox Rubinstein Attack

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D64h — Orthodox Rubinstein Attack
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Qc2 Re8 9.a3
Les coups candidats
Ambassadeurs : Gruenfeld, Ernst (4x), Havasi, Kornel (4x), Kmoch, Hans (4x), Teichmann, Richard (2x), Becker, Albert (2x), Bogoljubow, Efim (2x), Kostic, Boris (2x), Bustgens (2x)
9…dxc4 — 19.2% (61 parties)
Ambassadeurs : Morais Carreras, Javier (4x), Bronstein, David I (2x), Tan, Lian Ann (2x), Engqvist, Thomas (2x), Friedmann, O. (1x), Meza Pomar, Aroa (1x), Steiner, Herman (1x), Meller, Aleksander (1x)
9…h6 — 18.9% (60 parties)
Ambassadeurs : Reti, Richard (3x), Kmoch, Hans (3x), Gruenfeld, Ernst (2x), Kan, Ilya A (2x), Colman, Eugene Ernest (1x), Steiner, Lajos (1x), Pedmanson, Herman (1x), Becker, Albert (1x)
9…Nf8 — 12.9% (41 parties)
Ambassadeurs : Saemisch, Friedrich (3x), Elison, Charles F (2x), Mai, Iris (2x), Reinfeld, Fred (1x), Vukovic, Vladimir (1x), Jacobson, Ernst (1x), Duhm, Andreas (1x), Zinner, Bernhard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…a6 9…dxc4 9…h6 9…Nf8
<1800 4 — 25% 50% —
1800-2200 92 22% 21% 12% 20%
2200-2600 91 34% 19% 16% 10%
Évolution par décennie (% des parties)
Décennie N parties 9…a6 9…dxc4 9…h6 9…Nf8
1920s 36 36% 11% 36% 11%
1930s 48 54% 15% 19% 8%
1940s 8 25% 38% 12% 12%
1950s 5 20% 20% 20% —
1960s 6 — 33% 33% —
1970s 9 22% 44% 11% —
1980s 22 45% 14% 18% 14%
1990s 52 25% 25% 15% 10%
2000s 71 25% 13% 17% 21%
2010s 55 18% 27% 16% 13%
2020s 5 40% — — 40%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…a6 18% 40% ▲ +21.8%
9…dxc4 27% 0% ▼ -27.3%
9…h6 16% 0% ▼ -16.4%
9…Nf8 13% 40% ▲ +27.3%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 2 parties
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
9…a6 — 30.6% (97 parties)
1923 — Reti, Richard vs Teichmann, Richard — 1-0 — Carlsbad CZE
1923 — Gruenfeld, Ernst vs Teichmann, Richard — 1/2-1/2 — Carlsbad CZE
1923 — Factor, Samuel D vs Whitaker, Norman — 1-0 — San Francisco, CA USA
1923 — Oskam, Gerard vs Yates, Frederic D — 0-1 — Scheveningen NED
1924 — Schelfhout, Willem vs Boer, Adriaan — 1-0 — NED
9…dxc4 — 19.2% (61 parties)
1923 — Gibson, William vs Steele, Charles Gilbert — 1-0 — Southsea
1924 — Vukovic, Vladimir vs Exner, Gyozo — 1-0 — Gyor
1927 — Atkins, Henry Ernest vs Gurnhill — 1-0 — Match
1928 — Ismailov Akmaljon vs Staroverov, Aleksandr — 1-0 — Tomsk RUS
1930 — Steiner, Herman vs Meller, Aleksander — 1-0 — Gyor HUN
9…h6 — 18.9% (60 parties)
1923 — Gruenfeld, Ernst vs Colman, Eugene Ernest — 1-0 — Margate ENG
1923 — Becker, Albert vs Wagner, Heinrich — 1/2-1/2 — Frankfurt GER
1923 — Gruenfeld, Ernst vs Hilse — 1-0 — Frankfurt GER
1924 — Rey Ardid, Ramon ESP3 vs Voellmy, Erwin — 1/2-1/2 — Paris FRA
1924 — Rabinovich, Alexander vs Rozental, Sasha Valentin — 1-0 — Moskou ch-URS
9…Nf8 — 12.9% (41 parties)
1925 — Przepiorka, Dawid vs Johner, Paul — 0-1 — Debrecen HUN
1926 — Saemisch, Friedrich vs Duhm, Andreas — 1/2-1/2 — Hannover GER
1927 — Vukovic, Vladimir vs Jacobson, Ernst — 1-0 — London ENG
1927 — Grau, Roberto G vs Tarrasch, Siegbert — 1/2-1/2 — London ENG
1932 — Reinfeld, Fred vs Elison, Charles F — 1-0 — Minneapolis