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D35h — Exchange
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Nf3 Be7 6.Bf4 c6 7.Qc2
Eval: [+0.00]
Les coups candidats
7…O-O — 31.6% (205 parties)
Ambassadeurs : Grahesh Y (3x), Lorincz, Istvan (3x), Drexel, Michael (2x), Adrian, Claude (2x), Mythireyan P (2x), Zant, Juergen (2x), Menchik, Vera Frantsevna (1x), Pirc, Vasja (1x)
7…g6 — 29.3% (190 parties)
Ambassadeurs : Geller, Efim P. (3x), Gideon, Stahlberg hlberg (2x), Ivkov, Borislav (2x), Kharitonov, Adil (2x), Nei, Iivo (2x), Polak, Tomas (2x), Kogan, Aleksander (2x), Grooten, Herman (2x)
Ambassadeurs : Rausch, Stephan (3x), Srebrnic, Ana (3x), Hanel, Reinhard (2x), Halasz, Attila (2x), Schulz, Jan (1x), Sterk, Karoly (1x), Shcherbakov, Vitaly (1x), Alatortsev, Vladimir N. (1x)
7…Na6 — 7.9% (51 parties)
Ambassadeurs : Kertesz, Alfred (2x), Michna, Marta (2x), Gaprindashvili, Nona (2x), Kotov Lundqvist, Alex (1x), Bonch-Osmolovsky, Mikhail (1x), Lutikov, Anatoly S (1x), Eller, August (1x), Tarasov, Vitaly (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…g6 7…Nbd7 7…Na6
<1800 18 28% 11% 33%
1800-2200 219 40% 22% 23% 2%
2200-2600 281 25% 37% 17% 11%
2600+ 9 67% 11%
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…g6 7…Nbd7 7…Na6
1920s 1 100%
1930s 2 100%
1940s 3 33% 67%
1950s 20 10% 30% 15% 35%
1960s 25 16% 44% 12% 8%
1970s 13 31% 31% 31%
1980s 53 30% 36% 19% 11%
1990s 101 32% 23% 21% 15%
2000s 143 35% 26% 19% 4%
2010s 205 33% 30% 21% 6%
2020s 83 33% 35% 11% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 33% 33% -0.2%
7…g6 30% 35% ▲ +5.2%
7…Nbd7 21% 11% ▼ -10.6%
7…Na6 6% 2% ▼ -3.9%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
7…O-O — 31.6% (205 parties)
1932 — Rosenbaum Herbert vs Dobias, Josef — 0-1 — Prague CZE
1935 — Menchik, Vera Frantsevna vs Pirc, Vasja — 0-1 — It Moscow RUS
1940 — Alatortsev, Vladimir N. vs Grechkin, Dmitry M — 1-0 — Kiev UKR
1956 — Wade, Robert G vs Phillips, Alan — 1/2-1/2 — Ilford
1957 — Geller, Efim P. vs Nikolaevsky, Yuri V — 1-0 — Kiev UKR
7…g6 — 29.3% (190 parties)
1952 — Botvinnik, Mikhail vs Gideon, Stahlberg hlberg — 1/2-1/2 — Hungary, It, Budapest
1953 — Kotov, Alexander vs Gideon, Stahlberg hlberg — 0-1 — Zurich SUI
1954 — Petrosian, Tigran A. vs Djurasevic, Bozidar — 1/2-1/2 — Belgrade SRB
1955 — Smyslov, Vasily vs Geller, Efim P. — 1/2-1/2 — Moscow RUS
1955 — Smyslov, Vladimir vs Geller, Efim P. — 1/2-1/2 — Moskou ch-URS plof
7…Nbd7 — 19.1% (124 parties)
1924 — Schulz, Jan vs Sterk, Karoly — 1-0 — Paris FRA
1942 — Shcherbakov, Vitaly vs Alatortsev, Vladimir N. — 0-1 — Moscow RUS
1946 — Kotov Lundqvist, Alex vs Katetov, Miroslav — 1-0 — Moscow-Prague tt
1950 — Simagin, Vladimir vs Bonch-Osmolovsky, Mikhail — 0-1 — Moscow RUS
1951 — Geller, Efim P. vs Novotelnov, Nikolai — 1-0 — Moskou ch-URS
7…Na6 — 7.9% (51 parties)
1952 — Lipnitsky, Isaac vs Saigin, Vladimir — 1-0 — Minsk BLR
1953 — Shamkovich, Leonid vs Sherbakov, L — 0-1 — Vilnius LTU
1955 — Antoshin, Vladimir S vs Geller, Efim P. — 1-0 — Moskou ch-URS
1956 — Kurass, Iskir vs Ratner, Boris — 1/2-1/2 — Kiev UKR
1957 — Kotov Lundqvist, Alex vs Bonch-Osmolovsky, Mikhail — 0-1 — Kiev UKR