E30f - 5.Bh4 - Leningrad (1939)

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E30f — Leningrad (1939)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4
Les coups candidats
Ambassadeurs : Rain, Ricardo Ernesto (42x), Bangiev, Alexander (33x), Zylla, Johannes (30x), Timman, Jan H (25x), Bagirov, Vladimir (21x), Macdonald-Ross, Michael (16x), Comas Fabrego, Lluis (16x), Spassky, Boris Vasily (15x)
5…b6 — 8.2% (373 parties)
Ambassadeurs : Tolonen, Leo (5x), Glavas, Dragan (4x), Niemann, Hans Moke (4x), Kretov, Alexey E (4x), Akshat, Khamparia (3x), Borisenko, Georgy K (2x), Paunovic, Tomislav (2x), Granados Gomez, Manuel (2x)
5…g5 — 5.8% (262 parties)
Ambassadeurs : Bauer, Dieter (2x), Aleksandrov, Danila (2x), Ivancic, Ivan (2x), Puig Laborda, Jorge (1x), Fazekas, Stephan (1x), George, Peter M (1x), Annabi, Semir (1x), Portisch, Lajos (1x)
5…O-O — 4.2% (191 parties)
Ambassadeurs : Zahilas, Loukas N. (2x), Krouzel, Jaroslav (2x), Garcia R., Luis Ernesto (1x), Anderson, Frank Ross (1x), Vyslouzil, Antonin (1x), Filipowicz, Andrzej (1x), Kuehler, Wolfgang (1x), Koester, Hans Dieter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…c5 5…b6 5…g5 5…O-O
<1800 282 52% 11% 11% 13%
1800-2200 1484 69% 9% 8% 5%
2200-2600 1509 79% 10% 2% 3%
2600+ 30 83% 13% 3% —
Évolution par décennie (% des parties)
Décennie N parties 5…c5 5…b6 5…g5 5…O-O
1950s 138 76% 4% 4% 1%
1960s 191 85% 2% 3% 2%
1970s 285 89% 2% 1% 2%
1980s 527 86% 4% 2% 1%
1990s 1122 79% 6% 4% 4%
2000s 1085 69% 11% 7% 5%
2010s 980 62% 13% 9% 7%
2020s 224 62% 14% 12% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…c5 62% 62% +0.1%
5…b6 13% 14% ▲ +1.2%
5…g5 9% 12% ▲ +2.3%
5…O-O 7% 5% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5…c5 — 73.7% (3353 parties)
1951 — Levenfish, Grigory vs Estrin, Yakov — 0-1 — Baku AZE
1951 — Ali, Zak vs Lilienthal, Andor — 1-0 — Baku AZE
1952 — Keres, Paul vs O'Kelly de Galway, Alberic — 1/2-1/2 — Budapest HUN
1952 — Ali, Zak vs Shaposhnikov, Yury — 0-1 — Sochi RUS
1952 — Keres, Paul vs O'Kelly, Albéric de Galway — 1-0 — Budapest HUN
5…b6 — 8.2% (373 parties)
1950 — Borisenko, Georgy K vs Fridstein, Grigory — 1/2-1/2 — URS-ch sf Tula
1950 — Borisenko, Georgy K vs Friedstein, G. — 1/2-1/2 — USSR ch sf
1953 — Ferrantes, Giovanni vs Santasiere, Anthony — 0-1 — Milan ITA
1958 — Portisch, Lajos vs Bobotsov, Milko G — 1/2-1/2 — Varna BUL
1958 — Füster, Géza vs Van Den Broeck, Hans — 1-0 — Munich GER
5…g5 — 5.8% (262 parties)
1951 — Bondarevsky, Igor vs Moiseev, Oleg — 1-0 — Moskou ch-URS
1957 — Portisch, Lajos vs Kolarov, Atanas Stefanov — 1/2-1/2 — Ploiesti
1957 — Berliner, Hans vs Seidman, Herbert — 1/2-1/2 — New York ch-USA
1958 — Gufeld, Eduard vs Zamkovskaya, Violetta Aleks — 1/2-1/2 — Kiev UKR
1959 — Filep, Tibor vs Westman, Jan Erik — 1-0 — Budapest HUN
5…O-O — 4.2% (191 parties)
1959 — Vyslouzil, Antonin vs Filipowicz, Andrzej — 1-0 — Budapest HUN
1964 — Garcia R., Luis Ernesto vs Anderson, Frank Ross — 0-1 — Tel Aviv olm
1965 — Kuehler, Wolfgang vs Koester, Hans Dieter — 1/2-1/2 — Kiel GER
1965 — Macdonald-Ross, Michael vs Fazekas, Stephan — 1-0 — Hastings ENG
1970 — Mashian, Yaacov vs Rocha, Antonio — 1/2-1/2 — Siegen olm Siegen GER