D74d - 7…Na6 (1927)

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D74d — Neo-Gruenfeld
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Na6
Les coups candidats
8.e4 — 58.6% (82 parties)
Ambassadeurs : Reshevsky, Samuel (2x), Santasiere, Anthony (2x), Osnos, Viatcheslav (2x), Zhelesny, Stanislav (2x), Ahues, Carl (1x), Carls, Carl (1x), Najdorf, Miguel (1x), Kashdan, Isaac (1x)
8.Nc3 — 35.7% (50 parties)
Ambassadeurs : Szekely, Janos Ferenc (1x), Gruenfeld, Ernst (1x), Ulvestad, Olaf (1x), Horowitz, Albert Israel (1x), Denker, Arnold S (1x), Santasiere, Anthony (1x), Vidmar, Milan Sr (1x), Mikenas, Vladas (1x)
8.Qb3 — 4.3% (6 parties)
Ambassadeurs : Podhorzer, David (1x), Mueller, Hans (1x), Kranki, Hans (1x), Kohler, Anton (1x), Avrahami, Rami (1x), Carmel, Ephraim (1x), Szovan, Karoly (1x), Halasz, Csaba (1x)
8.b3 — 0.7% (1 parties)
Ambassadeurs : Glass, Eduard (1x), Mueller, Hans (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.e4 8.Nc3 8.Qb3 8.b3
<1800 1 100% — — —
1800-2200 53 55% 40% 4% —
2200-2600 41 59% 37% 5% —
2600+ 1 — 100% — —
Évolution par décennie (% des parties)
Décennie N parties 8.e4 8.Nc3 8.Qb3 8.b3
1920s 2 50% 50% — —
1930s 5 20% 20% 40% 20%
1940s 9 78% 22% — —
1950s 7 86% 14% — —
1960s 11 55% 45% — —
1970s 7 43% 57% — —
1980s 7 86% — 14% —
1990s 28 75% 25% — —
2000s 24 46% 54% — —
2010s 34 50% 41% 6% —
2020s 6 50% 33% 17% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.e4 50% 50% +0.0%
8.Nc3 41% 33% ▼ -7.8%
8.Qb3 6% 17% ▲ +10.8%
8.b3 0% 0% +0.0%
Parties historiques
8.e4 — 58.6% (82 parties)
1929 — Vidmar Milan vs Tartakower, Savielly — 1-0 — Carlsbad CZE
1939 — Horowitz, Albert Israel vs Reshevsky, Samuel — 0-1 — New York, NY USA
1944 — Guimard, Carlos E vs Iliesco, Juan — 1-0 — Mar del Plata ARG
1944 — Levin, Jerome A vs Santasiere, Anthony — 1-0 — Ventnor City
1945 — Kulzinski, Nikolaj vs Tsvetkov, Alexandar K — 1/2-1/2 — Novi Sad SRB
8.Nc3 — 35.7% (50 parties)
1927 — Szekely, Janos Ferenc vs Gruenfeld, Ernst — 0-1 — Kecskemet HUN
1935 — Vidmar, Milan Sr vs Mikenas, Vladas — 1/2-1/2 — Warsaw POL
1946 — Ulvestad, Olaf vs Horowitz, Albert Israel — 1-0 — USA-ch New York, NY USA
1946 — Denker, Arnold S vs Santasiere, Anthony — 1/2-1/2 — USA-ch New York, NY USA
1950 — Giustolisi, Alberto vs Paoli, Enrico — 1-0 — Sorrento ch ITA
8.Qb3 — 4.3% (6 parties)
1937 — Podhorzer, David vs Mueller, Hans — 1/2-1/2 — Vienna AUT
1938 — Kranki, Hans vs Kohler, Anton — 0-1 — Bad Oeynhausen GER
1988 — Avrahami, Rami vs Carmel, Ephraim — 1/2-1/2 — Israel Masters
2013 — Szovan, Karoly vs Halasz, Csaba — 1/2-1/2 — HUN
2014 — Dang Hoang Son vs Nguyen, Anh Khoi — 0-1 — Taipa MAC
8.b3 — 0.7% (1 parties)
1934 — Glass, Eduard vs Mueller, Hans — 1-0 — Vienna AUT