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B03q — Exchange
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 exd6 6.Nc3 Be7
Eval: [+0.46]
Les coups candidats
7.Bd3 — 44.0% (1686 parties)
Ambassadeurs : Sergeev, Vladimir (11x), Lenz, Juergen (9x), Theulings, Paul-Peter (8x), Mirzoev, Azer (7x), Altan-Ulzii, Enkhtuul (7x), Zelcic, Robert (6x), Rakic Vulicevic, Marija (6x), Kantorik, Marian (6x)
7.Be3 — 16.9% (649 parties)
Ambassadeurs : Kopylov, Michael (5x), Bulcourf, Carlos (5x), Prediger, Rupert (5x), Broomfield, Matthew P (4x), Salmensuu, Olli (4x), Benedek, Zoltan (4x), Konstantinopolsky, Alexander (3x), Schmitzer, Klaus (3x)
7.h3 — 15.1% (580 parties)
Ambassadeurs : Sergeev, Vladimir (9x), Loeffler, Stefan (9x), Baburin, Alexander (6x), Pavasovic, Dusko (6x), Biti, Ozren (6x), Yuffa, Daniil (6x), Rogers, Ian (5x), Sermek, Drazen (5x)
7.Nf3 — 12.7% (485 parties)
Ambassadeurs : Bokros, Albert (5x), Velicka, Petr (5x), Agdestein, Simen (4x), Mortensen, Erling (4x), Rudolf, Henrik (4x), Sergeev, Vladimir (4x), Freisler, Pavel (4x), Vujosevic, Vladimir (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Bd3 7.Be3 7.h3 7.Nf3
<1800 97 49% 11% 7% 24%
1800-2200 1478 45% 21% 13% 12%
2200-2600 1762 44% 14% 19% 13%
2600+ 26 69% 4% 15% 12%
Évolution par décennie (% des parties)
Décennie N parties 7.Bd3 7.Be3 7.h3 7.Nf3
1920s 6 67% 17% 17%
1930s 8 62% 25% 12%
1940s 7 29% 43% 29%
1950s 4 50% 25% 25%
1960s 25 44% 20% 8% 8%
1970s 27 19% 30% 4% 19%
1980s 67 27% 9% 22% 13%
1990s 489 24% 18% 21% 18%
2000s 1321 40% 17% 17% 13%
2010s 1643 53% 16% 12% 11%
2020s 236 53% 16% 9% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Bd3 53% 53% ▲ +0.7%
7.Be3 16% 16% ▼ -0.8%
7.h3 12% 9% ▼ -3.1%
7.Nf3 11% 14% ▲ +3.8%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 2 parties
Carlsen, Magnus — 2 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
7.Bd3 — 44.0% (1686 parties)
1923 — Znosko-Borovsky, Eugene vs Oskam, Gerard — 1-0 — Scheveningen NED
1925 — Znosko-Borovsky, Eugene vs Ratner, Ed — 1-0 — Paris FRA
1926 — Nimzowitsch, Aron vs Kmoch, Hans — 1/2-1/2 — Semmering AUT
1926 — Ilyin Zhenevsky, Alexander vs Nenarokov, Vladimir — 1-0 — Moscow RUS
1932 — Alekhine, Alexander vs LevensteinGrossman — 1/2-1/2 — New York simultaan
7.Be3 — 16.9% (649 parties)
1924 — Kleczynski, Jerzy POL4 vs Duchamp, Marcel FRA3 — 0-1 — Paris FRA
1936 — Tippin, J. vs Bergman, Carl J — 1-0 — ?
1936 — Rey Ardid, Ramon vs Blum, Oscar — 1/2-1/2 — Zaragoza
1943 — Konstantinopolsky, Alexander vs Panov, Vasily — 1-0 — ?
1944 — Ragozin, Viacheslav vs Kotov Lundqvist, Alex — 1-0 — Ivanovo
7.h3 — 15.1% (580 parties)
1969 — Nicevski, Risto vs Hort, Vlastimil — 0-1 — Athens GRE
1969 — Espig, Lutz vs Smejkal, Jan — 0-1 — Raach
1975 — Suetin, Alexey S vs Vukic, Milan — 1/2-1/2 — Odessa UKR
1980 — Svensson, Bengt 1960 vs Welin, Thomas — 1-0 — ?
1981 — Hunter, Charles Stanley vs Pehas, Alex — 1-0 — ?
7.Nf3 — 12.7% (485 parties)
1927 — Alekhine, Alexander vs Ureta, F. — 1-0 — Santiago de Chile
1932 — Maroczy, Geza vs Gruenfeld, Ernst — 1-0 — Budapest HUN
1946 — Yanofsky, Daniel Abraham vs Tartakower, Savielly — 1/2-1/2 — Groningen NED
1946 — Yanofsky, Kevin vs Tartakower, Savielly — 1/2-1/2 — ?
1956 — Ryan, Dr vs Cafferty, Bernard — 0-1 — ?