B08r - 4…Bg7 5.Be2 O-O 6.O-O c6 7.a4 - Classical

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B08r — Classical
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4
Eval: [+0.67]
Les coups candidats
Ambassadeurs : Sznapik, Aleksander (14x), Beim, Valeri (13x), Kakageldyev, Amanmurad (10x), Ludgate, Alan (9x), Seret, Jean-Luc (8x), Iordachescu, Viorel (8x), Todorcevic Antic, Miodrag (7x), Maciejewski, Andrzej (6x)
7…a5 — 28.2% (1227 parties)
Ambassadeurs : Sarno, Spartaco (9x), Nichols, Scott (9x), Krasenkow, Michal (9x), Hort, Vlastimil (7x), Uhlmann, Wolfgang (6x), Blatny, Pavel (6x), Petrovic, Marija (6x), Peev, Peicho (5x)
7…Qc7 — 27.9% (1216 parties)
Ambassadeurs : McNab, Colin A (9x), Rozentalis, Eduardas (9x), Karlik, Vladimir (8x), Van Wijgerden, Cornelis (7x), Ludgate, Alan (7x), Tringov, Georgi P (6x), Etruk, Rein T (5x), Hertzog, Peter (5x)
7…Bg4 — 5.9% (258 parties)
Ambassadeurs : Petenyi, Tamas (4x), Haag, Ervin (3x), Malich, Burkhard, Dr. (2x), Polugaevsky, Lev (2x), Rukavina, Josip (2x), Panzel, Kenneth (2x), Vo, Minh Hoang (2x), Azarov, Sergei (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nbd7 7…a5 7…Qc7 7…Bg4
<1800 66 24% 32% 23% 14%
1800-2200 1198 29% 29% 30% 5%
2200-2600 2286 34% 27% 27% 6%
2600+ 58 45% 17% 29% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nbd7 7…a5 7…Qc7 7…Bg4
1950s 1 — — 100% —
1960s 69 25% 26% 26% 17%
1970s 356 15% 40% 33% 6%
1980s 366 22% 39% 30% 5%
1990s 1017 36% 28% 24% 5%
2000s 1069 36% 28% 24% 5%
2010s 1231 34% 23% 32% 5%
2020s 244 30% 18% 34% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nbd7 34% 30% ▼ -3.2%
7…a5 23% 18% ▼ -4.9%
7…Qc7 32% 34% ▲ +2.9%
7…Bg4 5% 11% ▲ +6.1%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 4 parties
Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Parties historiques
7…Nbd7 — 32.0% (1393 parties)
1962 — Sokolov, Vladimir vs Udovcic, Mijo — 1/2-1/2 — JUG-ch Skopje MKD
1962 — Littlewood, John E vs Alexander, Conol Hugh — 0-1 — Hastings ENG
1962 — Shianovsky, Vladislav I vs Gufeld, Eduard — 1/2-1/2 — Kiev UKR
1962 — Cafferty, Bernard vs Hindle, Owen M — 0-1 — ?
1964 — Kozomara, Vlado vs Uhlmann, Wolfgang — 1/2-1/2 — Sarajevo BIH
7…a5 — 28.2% (1227 parties)
1964 — Langeweg, Kick vs Aloni, Itzchak — 1-0 — Tel Aviv ISR
1964 — Ciric, Dragoljub M vs Polugaevsky, Lev — 1/2-1/2 — URS-JUG
1964 — Calneggia, Raul vs Palermo, Vicente — 1/2-1/2 — Buenos Aires ARG
1964 — Langeweg, Kick vs Smyslov, Vladimir — 0-1 — Tel Aviv ISR
1965 — Barczay, Laszlo vs Haag, Ervin — 1/2-1/2 — HUN
7…Qc7 — 27.9% (1216 parties)
1959 — Sokolov, Vladimir vs Lukic, Arsenije — 0-1 — JUG-ch Kragujevac YUG
1962 — Averbakh, Yuri L vs Gufeld, Eduard — 1/2-1/2 — Leningrad RUS
1963 — Simagin, Vladimir vs Liberzon, Vladimir M — 1-0 — Moscow RUS
1964 — Ciric, Dragoljub M vs Milic, Borislav — 1-0 — Belgrade SRB
1964 — Bergsma, Alois vs Mueller, Hans — 1-0 — Beverwijk NED
7…Bg4 — 5.9% (258 parties)
1964 — Starck, Bodo vs Malich, Burkhard, Dr. — 0-1 — Magdeburg GER
1964 — Taimanov, Mark vs Zaitsev, Igor A — 1-0 — Moscow RUS
1964 — Haag, Ervin vs Barczay, Laszlo — 1-0 — Pecs
1965 — Stahlberg, Gideon vs Pirc, Vasja — 1-0 — Marianske Lazne
1965 — Duin Barbera, Tomas Eduardo vs Pelikan, Anna — 1/2-1/2 — Buenos Aires ch-ARG