B58h - 7.Nf3 - Boleslavsky (1947)

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B58h — Boleslavsky (1947)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nf3
Les coups candidats
Ambassadeurs : Apicella, Manuel (26x), Fishbein, Alexander (23x), Zelcic, Robert (22x), Womacka, Mathias (22x), Aseev, Konstantin N (19x), Smirin, Ilia (16x), Geller, Efim P. (14x), Barua, Debashis (13x)
7…Be7 — 15.5% (501 parties)
Ambassadeurs : Chelushkina, Irina (4x), Paoli, Enrico (3x), Smagin, Sergey (3x), Zagrebelny, Sergey (3x), Ivanov, Igor V. (2x), Dlugy, Maxim (2x), Lopez, Fabian (2x), Baron Rodriguez, Jorge (2x)
7…Be6 — 1.1% (35 parties)
Ambassadeurs : Franiak, Leszek (2x), Schippke, Manon (2x), Lamas Mercadal, Manuel (1x), Garcia R., Luis Ernesto (1x), Mapira, Shever (1x), Chavez, Hector Eduardo (1x), Strassmann, Swantje (1x), Fahrenholz, Natascha (1x)
7…a6 — 0.2% (7 parties)
Ambassadeurs : Alcedo, Ewen (1x), Gimber, Robert (1x), Wersching, Franz (1x), Pruchler, M. (1x), Krylov, Sergey (1x), Draganov, Ruslan (1x), Gowor, Roman (1x), Machet, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…h6 7…Be7 7…Be6 7…a6
<1800 134 58% 31% 6% 1%
1800-2200 881 77% 21% 1% 0%
2200-2600 1909 89% 11% 0% 0%
2600+ 35 86% 14% — —
Évolution par décennie (% des parties)
Décennie N parties 7…h6 7…Be7 7…Be6 7…a6
1950s 50 92% 8% — —
1960s 17 76% 24% — —
1970s 38 76% 21% — —
1980s 254 90% 10% — —
1990s 879 87% 12% 1% 0%
2000s 1068 83% 15% 1% 0%
2010s 721 78% 20% 1% 0%
2020s 207 71% 24% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…h6 78% 71% ▼ -7.3%
7…Be7 20% 24% ▲ +3.8%
7…Be6 1% 4% ▲ +3.5%
7…a6 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…h6 — 82.8% (2679 parties)
1950 — Rellstab, Ludwig vs Bergqvist, Allan — 1-0 — Dubrovnik olm
1950 — Greenfeld, Alon vs Bondarevsky, Igor — 0-1 — Schiavno Zdroj
1950 — Osterwald, Karl Heinz vs Meyer, Heinrich — 0-1 — ?
1950 — Van Schoor, Karl vs Stumpers, Louis — 1/2-1/2 — Antwerp BEL
1950 — Herink, Miroslav vs Lastovicka, Jiri — 1/2-1/2 — Chocen
7…Be7 — 15.5% (501 parties)
1950 — Paoli, Enrico vs Napolitano, Mario — 0-1 — Sorrento ch ITA
1953 — Grabczewski, Romuald vs Szapiel, Henryk — 1/2-1/2 — Krakow POL
1956 — Donovan, Jeremiah vs Saidy, Anthony — 0-1 — Oklahoma City, OK USA
1959 — Bernstein, Ossip vs Paoli, Enrico — 1/2-1/2 — Madrid ESP
1961 — Glass, Eduard vs Paoli, Enrico — 0-1 — Torneo di Capodanno
7…Be6 — 1.1% (35 parties)
1992 — Lamas Mercadal, Manuel vs Garcia R., Luis Ernesto — 1-0 — AAA B-LaSalle
1994 — Rotenberg, Ina vs Schugal, Anna — 1-0 — GER
1996 — Mapira, Shever vs Chavez, Hector Eduardo — 1/2-1/2 — Erevan ARM
1996 — Kighikina, Anja vs Makoeva — 1-0 — Rostov on Don
1997 — Strassmann, Swantje vs Fahrenholz, Natascha — 1-0 — JBLN West
7…a6 — 0.2% (7 parties)
1994 — Wersching, Franz vs Pruchler, M. — 1/2-1/2 — Keszthely op
1998 — Alcedo, Ewen vs Gimber, Robert — 0-1 — ?
1999 — Krylov, Sergey vs Draganov, Ruslan — 0-1 — Krynica POL
2001 — Gowor, Roman vs Machet, Richard — 1/2-1/2 — ?
2005 — Appavou, Calixte vs D`Avout D`Auerstaedt, Geoffroy — 0-1 — Montigny le Bretonneux