E45d - 6.a3 Be7 - Nimzowitsch (1951)

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E45d — Nimzowitsch
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Be7
Les coups candidats
7.Nf4 — 79.7% (571 parties)
Ambassadeurs : Olafsson, Helgi (4x), Nickl, Klaus (4x), Istratescu, Andrei (4x), Hoi, Carsten (4x), Morawietz, Dieter (4x), Nikolaevsky, Yuri V (3x), Botvinnik, Mikhail (3x), Sisniega Campbell, Marcel (3x)
7.Ng3 — 17.9% (128 parties)
Ambassadeurs : Sisniega Campbell, Marcel (3x), Pomar Salamanca, Arturo (2x), Prins, Lodewijk (2x), Macskasy, Elod (2x), Raspor, Gregor (2x), Schumacher, Olaf (2x), Braun, Peter (2x), Audet-Bouchard, Nicolas (2x)
7.b3 — 2.1% (15 parties)
Ambassadeurs : Rudd, Jack (2x), Safyanowsky, Mark (1x), Vojtek, Vladimir (1x), Curi, Gabriel (1x), Silva Nazzari, Roberto (1x), Saunders, Steve (1x), Eldridge, Mike (1x), Viefhues, Ulrich (1x)
7.Qa4 — 0.3% (2 parties)
Ambassadeurs : Purdy, John S (1x), Deeves, Kevin Eduard (1x), Paulsen, Dirk (1x), Keskowski, Thilo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nf4 7.Ng3 7.b3 7.Qa4
<1800 9 56% 44% — —
1800-2200 143 74% 24% 2% —
2200-2600 378 82% 15% 2% 0%
2600+ 9 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7.Nf4 7.Ng3 7.b3 7.Qa4
1950s 50 78% 22% — —
1960s 32 69% 31% — —
1970s 27 93% 7% — —
1980s 108 82% 18% — —
1990s 88 81% 14% 5% 1%
2000s 145 79% 18% 3% —
2010s 179 78% 19% 3% 1%
2020s 87 83% 16% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nf4 78% 83% ▲ +5.1%
7.Ng3 19% 16% ▼ -2.9%
7.b3 3% 1% ▼ -1.6%
7.Qa4 1% 0% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Smyslov, Vladimir — 1 partie
Parties historiques
7.Nf4 — 79.7% (571 parties)
1951 — Hooper, David vs Donner, Jan-Hein — 1-0 — Hastings ENG
1951 — Moiseev, Oleg vs Novotelnov, Nikolai — 1-0 — Moskou ch-URS
1951 — Shainswit, George vs Fine, Reuben — 0-1 — New York, NY USA
1951 — Gligoric, Svetozar vs Janosevic, Dragoljub — 1-0 — Ljubljana
1951 — Botvinnik, Mikhail vs Moiseev, Oleg — 1-0 — Moskou ch-URS
7.Ng3 — 17.9% (128 parties)
1951 — Guimaraes, Sergio Murilo Soares vs Vasconcellos, Fernando O — 0-1 — Fortaleza BRA
1951 — Pomar Salamanca, Arturo vs Prins, Lodewijk — 0-1 — Bad Pyrmont GER
1951 — Jauregui, Carlos vs Cordaro, J — 1-0 — Santiago de Chile
1951 — Botvinnik, Mikhail vs Bronstein, David I — 0-1 — Moskou wch-m
1952 — Makarczyk, Kazimierz vs Regedzinski, Teodor — 1/2-1/2 — Katowice POL
7.b3 — 2.1% (15 parties)
1991 — Curi, Gabriel vs Silva Nazzari, Roberto — 1/2-1/2 — Pumper
1991 — Viefhues, Ulrich vs Bondarenko, Vladimir — 1/2-1/2 — Moscow RUS
1996 — Safyanowsky, Mark vs Vojtek, Vladimir — 1/2-1/2 — ?
1999 — Saunders, Steve vs Eldridge, Mike — 1/2-1/2 — Halifax
2001 — Epishin, Vladimir vs Zelcic, Robert — 1/2-1/2 — Graz AUT
7.Qa4 — 0.3% (2 parties)
1995 — Purdy, John S vs Deeves, Kevin Eduard — 1/2-1/2 — Australia ch-21
2011 — Paulsen, Dirk vs Keskowski, Thilo — 1-0 — Berlin GER