A90v —
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 c6 5.Nf3 d5 6.Qc2 Bd6
Les coups candidats
7.O-O — 76.7% (835 parties)
Ambassadeurs : Moroz, Alexander (5x), Lalic, Bogdan (5x), Guliev, Sarhan (4x), Konopka, Michal (4x), Mednikova, Svetlana (4x), Gaprindashvili, Nona (4x), Ershova, Svetlana (3x), Brodie, Hugh (3x)
7.Bf4 — 15.0% (163 parties)
Ambassadeurs : Cebalo, Miso (10x), Gheorghiu, Florin (8x), Agdestein, Simen (4x), Tibensky, Robert (3x), Kaeser, Udo, Dr. (3x), Szuhanek, Ranko (3x), Pushkov, Nikolai (2x), Rashkovsky, Nukhim N (2x)
7.b3 — 3.6% (39 parties)
Ambassadeurs : Cubas Pons, Juan Miguel (2x), Henrichsen, Jens (2x), Krueger, Andre (1x), Kaid, Almar, Dr. (1x), Tremblay, Serge (1x), Cote, Jacques (1x), Djubek, Boris (1x), Manduch, Milan Ing (1x)
7.Nbd2 — 1.5% (16 parties)
Ambassadeurs : Itkis, Boris (1x), Koutsin, Sergey (1x), Srokowski, Jaroslav (1x), Kaspi, Alexander (1x), Nahalka, Jan (1x), Gdovin, Jan (1x), Gulen, Bernard (1x), Pacheco, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.Bf4 7.b3 7.Nbd2
<1800 44 68% 7% 11%
1800-2200 445 80% 9% 5% 2%
2200-2600 514 75% 21% 1% 1%
2600+ 2 100%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.Bf4 7.b3 7.Nbd2
1950s 8 75% 25%
1960s 5 100%
1970s 1 100%
1980s 83 52% 45% 2%
1990s 260 73% 23% 2% 1%
2000s 316 81% 10% 4% 2%
2010s 363 82% 7% 6% 1%
2020s 53 77% 11% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 82% 77% ▼ -4.2%
7.Bf4 7% 11% ▲ +4.4%
7.b3 6% 6% +0.2%
7.Nbd2 1% 2% ▲ +0.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Parties historiques
7.O-O — 76.7% (835 parties)
1952 — Ivanov, Pavlin Nikolay vs Karastoichev, Emil — 0-1 — Sofia BUL
1952 — Moiseev, Oleg vs Panov, Vasily — 1-0 — URS-ch sf Leningrad RUS
1953 — Van Lennep, Cor vs Travnitzky, Gustav — 0-1 — Vienna AUT
1955 — Benko, Pal vs Tipary, Lajos — 1-0 — Hungary ch
1959 — Feldman, Steven vs Zamkovskaya, Violetta Aleks — 0-1 — Kiev UKR
7.Bf4 — 15.0% (163 parties)
1952 — Zamkovskaya, Violetta Aleks vs Panov, Vasily — 0-1 — URS-ch sf Leningrad RUS
1957 — Hoensch, Irene vs Eretova, Kveta — 1-0 — Krakow POL
1979 — Kuligowski, Adam vs Ljubisavljevic, Zivojin Z — 1-0 — Smederevska Palanka
1986 — Rashkovsky, Nukhim N vs Bareev, Evgeny — 1-0 — Kiev ch-URS
1986 — Gheorghiu, Florin vs Pieterse, Gert — 1-0 — Amsterdam NED
7.b3 — 3.6% (39 parties)
1994 — Tremblay, Serge vs Cote, Jacques — 1/2-1/2 — Sherbrooke CAN
1994 — Djubek, Boris vs Manduch, Milan Ing — 1/2-1/2 — Slovak 2nd League 1994/95
1997 — Kustar, Sandor vs Horvath, Imre — 1-0 — Tapolca
1999 — Krueger, Andre vs Kaid, Almar, Dr. — 1/2-1/2 — Recklinghausen GER
2002 — Cubas Pons, Juan Miguel vs Villalonga Coll, Jaume — 1-0 — Menorca
7.Nbd2 — 1.5% (16 parties)
1987 — Srokowski, Jaroslav vs Kaspi, Alexander — 1-0 — Ternopol
1988 — Itkis, Boris vs Koutsin, Sergey — 1/2-1/2 — Tallinn EST
1997 — Gulen, Bernard vs Pacheco, Richard — 1-0 — ?
1999 — Nahalka, Jan vs Gdovin, Jan — 0-1 — Tatranska Lomnica SVK
2000 — Pashos, G.. vs Kolitas, Dimitris — 0-1 — Patras GRE