B84u - 8…O-O - Scheveningen, Classical (1925)

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B84u — Scheveningen, Classical (1925)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Be7 8.f4 O-O
Les coups candidats
9.Kh1 — 38.1% (1454 parties)
Ambassadeurs : Suba, Mihai (32x), Ftacnik, Lubomir (31x), Jansa, Vlastimil (30x), Sznapik, Aleksander (23x), Prandstetter, Eduard (18x), Karpov, Anatoly (17x), Kasparov, Garry (15x), Ermenkov, Evgenij (14x)
Ambassadeurs : Wosch, Arkadiusz (12x), ? (11x), Kempinski, Robert (11x), Van Wely, Loek (7x), Prandstetter, Eduard (6x), Ree, Hans (6x), Polugaevsky, Lev (6x), Jansa, Vlastimil (6x)
9.a4 — 14.9% (568 parties)
Ambassadeurs : Klovans, Janis (11x), Jansa, Vlastimil (11x), Cvitan, Ognjen (7x), Polugaevsky, Lev (6x), Geller, Efim P. (5x), Khalifman, Alexander (5x), Cuijpers, Frans Andre (5x), Dolmatov, Sergey (4x)
9.Bf3 — 6.2% (235 parties)
Ambassadeurs : Van der Wiel, John T.H. (11x), Wojtkiewicz, Aleksander (6x), Psakhis, Lev (4x), Ree, Hans (3x), Suba, Mihai (3x), Ninov, Nikolai (3x), Bernal Varela, Nelson (3x), Geller, Efim P. (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Kh1 9.Be3 9.a4 9.Bf3
<1800 145 28% 48% 8% 11%
1800-2200 1001 33% 40% 14% 8%
2200-2600 1985 41% 33% 17% 5%
2600+ 114 53% 25% 18% 3%
Évolution par décennie (% des parties)
Décennie N parties 9.Kh1 9.Be3 9.a4 9.Bf3
1950s 8 12% 38% — 50%
1960s 17 — 65% — 29%
1970s 199 48% 32% 8% 4%
1980s 625 52% 23% 16% 4%
1990s 873 39% 33% 16% 8%
2000s 1235 31% 46% 17% 4%
2010s 792 37% 39% 12% 9%
2020s 72 29% 38% 19% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Kh1 37% 29% ▼ -7.7%
9.Be3 39% 38% ▼ -1.6%
9.a4 12% 19% ▲ +7.3%
9.Bf3 9% 8% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 7 parties
Hou, Yifan — 5 parties
Carlsen, Magnus — 1 partie
Parties historiques
9.Kh1 — 38.1% (1454 parties)
1950 — Averbakh, Yuri L vs Moiseev, Oleg — 1-0 — Moscow RUS
1970 — Scholl, Eckhard vs Gligoric, Sofija — 1/2-1/2 — Amsterdam NED
1970 — Kinnmark, Ove vs Christoph, Manfred, Dr. — 0-1 — Grossenbrode
1971 — Tukmakov, Vladimir B vs Polugaevsky, Lev — 0-1 — Leningrad ch-URS
1971 — EDEN GLORY vs Kortchnoi, V. — 0-1 — Moskou cm qf
9.Be3 — 36.8% (1406 parties)
1952 — Mangini, Jose Henrique de Mello vs Bauza, Lorenzo — 1/2-1/2 — Rio de Janeiro BRA
1954 — Kupper, Josef vs Salo, Toivo — 1-0 — Amsterdam olm
1956 — Pogats, Jozsef Jr. vs Benko, Pal — 0-1 — Budapest HUN
1962 — Parma, Bruno vs Rantanen, Matti — 1/2-1/2 — Varna olm
1962 — Olafsson, Fridrik vs Stein, Leonid — 1-0 — Stockholm izt
9.a4 — 14.9% (568 parties)
1975 — Klovans, Janis vs Polugaevsky, Lev — 1/2-1/2 — Erevan ch-URS
1976 — Haag, Ervin vs Jansa, Vlastimil — 1/2-1/2 — ?
1976 — Tan, Lian Ann vs Ribli, Zoltan — 0-1 — Manila PHI
1976 — Kapengut, Albert vs Anikaev, Yuri N — 1-0 — Soviet Union
1976 — Geller, Efim P. vs Jansa, Vlastimil — 1/2-1/2 — Sochi RUS
9.Bf3 — 6.2% (235 parties)
1951 — Majstorovic, Ljubomir vs Udovcic, Mijo — 0-1 — Ljubljana
1951 — De Souza Mendes, Joao vs Bauza, Lorenzo — 1-0 — Mar del Plata ARG
1955 — Haag, Ervin vs Koberl, Ferenc — 1/2-1/2 — Voros Lobogo
1958 — Andres Francisco Jimenez Rodriguez vs Jovanovic, Aca — 1-0 — Cordoba ch-ARG sf
1960 — Engels, Ludwig vs Schweber, Samuel — 0-1 — Sao Paulo BRA