C94e - 11.Nbd2 - Closed, Breyer (1954)

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C94e — Closed, Breyer (1954)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d3 Nbd7 11.Nbd2
Les coups candidats
Ambassadeurs : Parma, Bruno (10x), Matanovic, Aleksandar (9x), Ciocaltea, Victor (8x), Portisch, Lajos (8x), Westerinen, Heikki M.J. (8x), Browne, Walter Shawn (7x), Tringov, Georgi P (6x), Robatsch, Karl (5x)
11…c5 — 9.0% (71 parties)
Ambassadeurs : Koskela, Niina (2x), Baroin, Bernard (2x), Parma, Bruno (1x), Colon Romero, Arturo (1x), Abakarov, D. (1x), Demuria, Alexandr (1x), Milic, Borislav (1x), Petrosian, Tigran A. (1x)
11…Nc5 — 7.3% (57 parties)
Ambassadeurs : Kovacs, Laszlo M (2x), Kovacs, Laszlo (2x), Koskela, Niina (2x), Remlinger, Larry (2x), Bouaziz, Slim (1x), Hartoch, Robert G (1x), Vasiukov, Evgeni (1x), Udovcic, Mijo (1x)
11…a5 — 3.3% (26 parties)
Ambassadeurs : Gufeld, Eduard (3x), Vasiukov, Evgeni (2x), Ivkov, Borislav (2x), Furman, Semyon (2x), Parma, Bruno (2x), Averbakh, Yuri L (1x), Taimanov, Mark (1x), Unzicker, Ferdinand, Dr. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Bb7 11…c5 11…Nc5 11…a5
<1800 24 38% 21% 21% 8%
1800-2200 203 72% 13% 8% 1%
2200-2600 355 76% 9% 7% 1%
2600+ 21 86% — 10% —
Évolution par décennie (% des parties)
Décennie N parties 11…Bb7 11…c5 11…Nc5 11…a5
1950s 18 56% 11% — 28%
1960s 104 79% 1% 7% 7%
1970s 101 81% 3% 3% 5%
1980s 33 85% 3% 9% 3%
1990s 44 75% 9% 9% —
2000s 120 67% 12% 8% 3%
2010s 323 74% 12% 8% 1%
2020s 43 65% 16% 9% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Bb7 74% 65% ▼ -9.2%
11…c5 12% 16% ▲ +4.2%
11…Nc5 8% 9% ▲ +0.9%
11…a5 1% 5% ▲ +4.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 1 partie
Parties historiques
11…Bb7 — 74.2% (583 parties)
1955 — Medina-Garcia, Antonio vs Spassky, Boris V. — 0-1 — Goteborg SWE
1955 — Dueckstein, Andreas vs O'Kelly, Albéric de Galway — 1/2-1/2 — Zagreb CRO
1955 — Shianovsky, Vladislav I vs Chukaev, Egor — 1-0 — Riga LAT
1955 — Byvshev, Vasily vs Zamkovskaya, Violetta Aleks — 1/2-1/2 — Voroshilovgrad
1955 — Suetin, Alexey S vs Lipnitsky, Isaac — 1/2-1/2 — Voroshilovgrad
11…c5 — 9.0% (71 parties)
1956 — Milic, Borislav vs Petrosian, Tigran A. — 1/2-1/2 — Belgrade SRB
1957 — Abakarov, D. vs Demuria, Alexandr — 1-0 — Tbilisi GEO
1969 — Parma, Bruno vs Colon Romero, Arturo — 1-0 — San Juan
1974 — Halasz, Tamas vs Yilmaz, Turhan — 1/2-1/2 — Pont Sainte Maxence
1976 — Mueller, Matthias vs Richtrova, Eliska — 0-1 — Halle 10th women
11…Nc5 — 7.3% (57 parties)
1964 — Vasiukov, Evgeni vs Udovcic, Mijo — 1-0 — Leningrad RUS
1964 — Jansa, Vlastimil vs Kovacs, Laszlo — 1-0 — ?
1965 — Bouaziz, Slim vs Hartoch, Robert G — 0-1 — Wch U20 q-3 Barcelona ESP
1965 — Bradvarevic, Aleksandar vs Sokolov, Vladimir — 1/2-1/2 — Novi Sad SRB
1965 — Holaszek, Hans vs Kovacs, Laszlo — 1/2-1/2 — ?
11…a5 — 3.3% (26 parties)
1954 — Aronson, Lev vs Furman, Semyon — 1/2-1/2 — URS-ch sf Leningrad RUS
1955 — Averbakh, Yuri L vs Taimanov, Mark — 1/2-1/2 — Voroshilovgrad
1955 — Scherbakov, Vadim vs Furman, Semyon — 0-1 — Moskou ch-URS
1955 — Ayasofya Medina vs Szabo, Laszlo — 0-1 — Goteborg izt
1956 — Polugaevsky, Lev vs Chukaev, Egor — 1-0 — Tbilisi GEO