B81j - 7.h4 - Scheveningen, Keres (1993)

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B81j — Scheveningen, Keres (1993)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.h4
Les coups candidats
Ambassadeurs : Adorjan, Andras (16x), Sokolov, Andrei (16x), Sax, Gyula (15x), Deforel, Jorge Eduardo (15x), Ljubojevic, Ljubomir (14x), Kolojeski, Paul (13x), Schenning, A. A. M.. (12x), Ederer, Karel (12x)
Ambassadeurs : Atlas, Valery (15x), Sokolov, Andrei (13x), Sax, Gyula (13x), Timman, Jan H (12x), Ljubojevic, Ljubomir (11x), Jansa, Vlastimil (8x), Yermolinsky, Alex (8x), Baumgartner, Ulrich (7x)
7…a6 — 7.2% (256 parties)
Ambassadeurs : Suba, Mihai (21x), Boensch, Uwe (18x), Ederer, Karel (6x), Velicka, Petr (5x), Ghinda, Mihail-Viorel (4x), Vogt, Lothar (4x), Kindermann, Stefan (3x), Lobron, Eric (3x)
7…e5 — 2.8% (98 parties)
Ambassadeurs : Gagliardi, Virgilio (4x), Gershon, Alik (2x), Vaccher, Angelo (2x), Gazi, Miroslav (2x), Fric, Lubos (2x), Senturk, Ruhsan (2x), Sabbatini, Giuseppe (2x), Ovaskainen, Juha (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nc6 7…Be7 7…a6 7…e5
<1800 179 69% 15% 6% 6%
1800-2200 1151 71% 16% 7% 3%
2200-2600 1680 70% 19% 8% 2%
2600+ 67 64% 27% 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 7…Nc6 7…Be7 7…a6 7…e5
1950s 1 100% — — —
1970s 34 53% 41% 3% —
1980s 514 68% 22% 8% 1%
1990s 701 62% 25% 9% 2%
2000s 883 73% 19% 5% 2%
2010s 1168 74% 12% 8% 5%
2020s 240 77% 13% 5% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nc6 74% 77% ▲ +3.5%
7…Be7 12% 13% ▲ +1.2%
7…a6 8% 5% ▼ -2.4%
7…e5 5% 3% ▼ -1.7%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 6 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 4 parties
Kasparov, Garry — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
7…Nc6 — 70.3% (2491 parties)
1956 — Dimc, Dragutin vs Nestler, Vincenzo — 1-0 — Ancona ITA
1971 — Jakovljevski, Vladimir vs Barle, Janez — 1/2-1/2 — Pula CRO
1974 — Cardoso, Radolfo Tan vs Andersson, Ulf — 0-1 — Manila PHI
1974 — Vasiukov, Evgeni vs Larsen, Bent Ravn — 1-0 — Manila PHI
1975 — Kozlov, Vladimir N vs Goldin, Vladimir M. — 1/2-1/2 — ?
7…Be7 — 17.9% (634 parties)
1974 — Morales J., David Alejandro vs Wall, Bill — 0-1 — ?
1974 — Wall, Alejandro vs Morales , Edgar Enrique — 1-0 — U Tapao, Thailand
1974 — Urzica, Aurel vs Ghinda, Mihail-Viorel — 1-0 — Rumania
1975 — Radulov, Ivan vs Sax, Gyula — 1-0 — Vraca zt
1976 — Matulovic, Milan vs Sax, Gyula — 0-1 — Novi Sad Novi Sad YUG
7…a6 — 7.2% (256 parties)
1977 — Speelman, Jon S vs Hort, Vlastimil — 1/2-1/2 — Hastings ENG
1981 — Dorfman, Iossif vs Ehlvest, Jaan — 1/2-1/2 — Moscow RUS
1981 — Korsunsky, Yuri vs Akopov, Roman — 1-0 — Azerbajdzhan
1981 — Gufeld, Eduard vs Giorgadze, Tamaz — 1-0 — USSR
1981 — Erenska-Barlo, Hanna vs Makropoulou, Marina — 1-0 — Bydgoszcz POL
7…e5 — 2.8% (98 parties)
1984 — Dvoirys, Semen I. vs Meister, Jakob — 1-0 — Barnaul
1985 — Hjartarson, Johann vs Adorjan, Andras — 1/2-1/2 — Esbjerg DEN
1988 — Perin, Ana Beatriz Fonseca vs Devocelle Rocher, Joshua — 1-0 — corr France
1988 — Kovacs, Abel vs Toth G., Geza — 1-0 — corr
1989 — Wahls, Matthias vs Muller, Olissa — 1-0 — Duitsland tt