B81c - 6…a6 - Scheveningen, Keres (1951)

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B81c — Scheveningen, Keres (1951)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6
Les coups candidats
7.g5 — 89.6% (1300 parties)
Ambassadeurs : Espig, Lutz (35x), Vogt, Lothar (13x), Tringov, Georgi P (11x), Lombard, Andre (9x), Buckley, Graeme N (9x), Tissir, Mohamed (8x), Savereide, Diane (7x), Eising, Johannes (7x)
7.Bg2 — 5.6% (81 parties)
Ambassadeurs : Savon, Vladimir (4x), Espig, Lutz (4x), Eising, Johannes (3x), Bodisko, Aleksandr Petrovich (2x), Haag, Ervin (2x), Volke, Karsten (2x), Shianovsky, Vladislav I (1x), Zurakhov, Vladlen Y (1x)
Ambassadeurs : Novak, Joze (2x), López-Neiger, Manuel-Pierre (2x), Karpov, Anatoly (1x), O'Brien, Richard W (1x), Ansehn, Bertil (1x), Dutra, Alfredo (1x), Maeer, K (1x), Tredinnick, Malcolm Robert (1x)
7.Rg1 — 0.9% (13 parties)
Ambassadeurs : Stoddard, Edward M (1x), Milburn, Jerry (1x), Laudelino Joaquim Santana (1x), Moura, Fo Joao Jose de Araujo (1x), Velickovic, Sasa (1x), Pasalic, Hidajet (1x), Ivanovic, Bozidar (1x), Hulak, Krunoslav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.g5 7.Bg2 7.Be3 7.Rg1
<1800 40 85% 5% 8% 2%
1800-2200 382 88% 5% 2% 2%
2200-2600 745 90% 7% 2% 0%
2600+ 12 92% 8% — —
Évolution par décennie (% des parties)
Décennie N parties 7.g5 7.Bg2 7.Be3 7.Rg1
1950s 11 82% 18% — —
1960s 48 90% 10% — —
1970s 249 87% 11% 0% 1%
1980s 219 95% 4% 1% 0%
1990s 330 91% 4% 3% 1%
2000s 277 88% 5% 4% 1%
2010s 264 88% 3% 3% 1%
2020s 53 89% 4% 2% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.g5 88% 89% +0.4%
7.Bg2 3% 4% +0.4%
7.Be3 3% 2% ▼ -1.1%
7.Rg1 1% 4% ▲ +3.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 5 parties
Tal, Mikhail — 4 parties
Smyslov, Vladimir — 1 partie
Parties historiques
7.g5 — 89.6% (1300 parties)
1953 — Bruechner, Siegfried vs Herrmann, Ludwig — 1-0 — Jena GER
1953 — Honfi, Karoly vs Lengyel, Levente — 1-0 — ?
1954 — Brat, Vaclaw vs Dolezal, Jiri — 0-1 — Prague CZE
1956 — Helm, Irmgard vs Keller-Hermann, Edith — 0-1 — Leipzig GER
1957 — Neumann, Augustin vs Lawrie — 1/2-1/2 — ENG-FRG corr
7.Bg2 — 5.6% (81 parties)
1951 — Faleg, Alberto vs Huguet, Alain — 0-1 — Buenos Aires ARG
1954 — Reichenbach, Werner vs Eising, Johannes — 1-0 — Schkopau
1961 — Shianovsky, Vladislav I vs Zurakhov, Vladlen Y — 1-0 — Kiev UKR
1963 — Dueckstein, Andreas vs Van den Berg, Ad — 1/2-1/2 — Luzern Clare Benedic
1964 — Alexander Vivasvaan Chandra vs Shamshin, Rudolf — 0-1 — Ukraine
7.Be3 — 2.2% (32 parties)
1972 — Karpov, Anatoly vs O'Brien, Richard W — 1-0 — London ENG
1984 — Ansehn, Bertil vs Dutra, Alfredo — 1-0 — TM-O8-04 corr
1986 — Maeer, K vs Tredinnick, Malcolm Robert — 0-1 — corr UK open
1990 — Machala, Rudolf vs Kutscheid, Hans Peter — 0-1 — W-ch M479 corr
1993 — Kotronias, Vasilios vs Tsarouhas, Konstantinos — 1-0 — Corfu GRE
7.Rg1 — 0.9% (13 parties)
1971 — Velickovic, Sasa vs Pasalic, Hidajet — 1/2-1/2 — Pula CRO
1977 — Ivanovic, Bozidar vs Hulak, Krunoslav — 1-0 — Yugoslavia
1978 — Stoddard, Edward M vs Milburn, Jerry — 1-0 — ?
1983 — Laudelino Joaquim Santana vs Moura, Fo Joao Jose de Araujo — 1-0 — ?
1990 — Timmerman, Gert vs Douven, Rudy — 0-1 — Rotterdam rapid