C85f - 6…dxc6 7.Qe1 - Closed Exchange

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C85f — Closed Exchange
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.Qe1
Eval: [-0.27]
Les coups candidats
Ambassadeurs : Shabalov, Alexander (10x), Lanc, Alois (10x), Sturc, Gustav (9x), Blatny, Pavel (8x), Hecht, Hans-Joachim (7x), Gullaksen, Eirik (5x), Soltis, Andrew (4x), Matanovic, Aleksandar (4x)
7…Be6 — 15.8% (194 parties)
Ambassadeurs : Schmid, Leo (5x), Pfleger, Helmut, Dr. (4x), Schmid, Lothar (4x), Fichtl, Jiri (4x), Hecht, Hans-Joachim (4x), Kluger, Gyula (3x), Leluashvili, Omar Shalvovich (3x), De Haas, Bas (3x)
Ambassadeurs : Smejkal, Jan (6x), Lechtynsky, Jiri (5x), Novak, Ervin (4x), Sychov, Aleksandr Vitalievi (4x), Klaman, Konstantin Mikhailovich (3x), Kozma, Julius (3x), Tatai, Stefano (3x), Rittner, Horst (3x)
7…Bd6 — 5.3% (65 parties)
Ambassadeurs : Dinato, Eduardo Iglesias (2x), Holzke, Frank (2x), Durao, Joaquim (2x), Schneider, Hanne (2x), Sturc, Gustav (2x), Rittner, Horst (1x), Tritzschler, Helmut (1x), Sanchez Alpizar, Luis Alberto (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nd7 7…Be6 7…c5 7…Bd6
<1800 10 40% 20% 10% 20%
1800-2200 259 54% 12% 10% 10%
2200-2600 529 67% 10% 15% 3%
2600+ 15 67% 13% 20% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nd7 7…Be6 7…c5 7…Bd6
1930s 1 100% — — —
1940s 5 40% — 60% —
1950s 74 45% 27% 19% 4%
1960s 128 41% 34% 20% 2%
1970s 87 53% 15% 18% 8%
1980s 56 62% 11% 18% 4%
1990s 380 60% 15% 14% 5%
2000s 274 62% 10% 9% 7%
2010s 190 57% 12% 12% 6%
2020s 34 59% 15% 12% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nd7 57% 59% ▲ +2.0%
7…Be6 12% 15% ▲ +2.6%
7…c5 12% 12% +0.2%
7…Bd6 6% 6% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Parties historiques
7…Nd7 — 56.6% (695 parties)
1935 — Fajarowicz, Sammi vs Reshevsky, Samuel — 0-1 — Great Yarmouth
1949 — Bonch-Osmolovsky, Mikhail vs Estrin, Yakov — 0-1 — Moscow RUS
1949 — Bonch-Osmolovsky, Mikhail vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1952 — Witkowski, Stefan vs Blaszczak, Czeslaw — 1/2-1/2 — Katowice POL
1952 — Schmid, Leo vs Johnsen, Larus — 1-0 — Helsinki FIN
7…Be6 — 15.8% (194 parties)
1951 — Nezhmetdinov, Rashid vs Levenfish, Grigory — 1/2-1/2 — Baku ch sf
1952 — Troianescu, Octav vs Keres, Paul — 0-1 — Budapest HUN
1954 — Schmid, Leo vs Donner, Jan-Hein — 1-0 — GER
1954 — Schmid, Lothar vs Kluger, Gyula — 1/2-1/2 — Amsterdam NED
1954 — Schmid, Leo vs Kluger, Gyula — 1/2-1/2 — Amsterdam olm
7…c5 — 13.9% (171 parties)
1949 — Rovner, Dmitry vs Furman, Slavomir — 1/2-1/2 — Vilnius LTU
1949 — Dubinin, Peter vs Levenfish, Grigory — 0-1 — Leningrad RUS
1949 — Klaman, Konstantin Mikhailovich vs Pogrebissky, Iosif — 0-1 — Tbilisi GEO
1951 — Klaman, Konstantin Mikhailovich vs Abramovich Furman, Semyon — 1/2-1/2 — Baku URS-ch sf
1951 — Ravinsky, Grigory vs Konstantinov, Alexandr — 1/2-1/2 — URS-ch sf Sverdlovsk
7…Bd6 — 5.3% (65 parties)
1955 — Rittner, Horst vs Tritzschler, Helmut — 1-0 — Zittau B
1955 — O'Riordan, Kenneth vs Corby, J C — 1-0 — Cork
1956 — Sanchez Alpizar, Luis Alberto vs Mostafavee, M. — 0-1 — Moscow RUS
1963 — Smejkal, Jan vs Augustin, Josef — 1/2-1/2 — Telnice/Usti
1966 — Marchetti Francisco vs Lopez Luis Clemente — 1/2-1/2 — Cordoba ARG