D30u — QGD: Semmering Variation (1928)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 6.Bd3 c5
Les coups candidats
7.O-O — 64.3% (126 parties)
Ambassadeurs : Shabalov, Alexander (3x), Sorokin, Maxim (2x), Kanefsck, Gustavo (2x), Jacobs, Rudolf (2x), Buzas, Gyula (2x), Malashenkov, Alexei (2x), Saborido Carre, Rafael (1x), Donnely, Brian (1x)
7.b3 — 21.4% (42 parties)
Ambassadeurs : Shabalov, Alexander (4x), Heinicke, Herbert (1x), Nuernberg, Friedrich (1x), Lutikov, Anatoly S (1x), Sakharov, Yuri N (1x), Bobotsov, Milko G (1x), Mohrlok, Dieter (1x), Benko, Pal (1x)
7.cxd5 — 12.8% (25 parties)
Ambassadeurs : Speelman, Jon S (1x), Koskinen, Henri (1x), Franco Ocampos, Zenon (1x), Matsuura, Everaldo (1x), Van der Sterren, Paul (1x), Van der Werf, Mark (1x), Ehlvest, Jaan (1x), Shabalov, Alexander (1x)
7.Ne5 — 0.5% (1 parties)
Ambassadeurs : Drozdz, Andrzej (1x), Chandler, Tom (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.b3 7.cxd5 7.Ne5
<1800 8 50% — 38% —
1800-2200 51 65% 18% 16% —
2200-2600 117 64% 24% 12% —
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.b3 7.cxd5 7.Ne5
1950s 3 67% 33% — —
1960s 5 60% 40% — —
1970s 6 50% 50% — —
1980s 5 60% 40% — —
1990s 18 50% 33% 17% —
2000s 75 67% 19% 13% 1%
2010s 72 69% 17% 11% —
2020s 12 50% 17% 33% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 69% 50% ▼ -19.4%
7.b3 17% 17% +0.0%
7.cxd5 11% 33% ▲ +22.2%
7.Ne5 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Parties historiques
7.O-O — 64.3% (126 parties)
1953 — Reinhardt, Heinrich vs Shocron, Ruben — 0-1 — Bariloche
1957 — Feuerstein, Arthur vs Elliott, Henry J — 1-0 — New York, NY USA
1961 — Wade, Robert G vs Littlewood, John E — 1-0 — Hastings ENG
1963 — Kluger, Gyula vs Fronczek, Heinrich — 1-0 — Polanica Zdroj POL
1969 — Saborido Carre, Rafael vs Donnely, Brian — 1/2-1/2 — Praia da Rocha
7.b3 — 21.4% (42 parties)
1951 — Heinicke, Herbert vs Nuernberg, Friedrich — 1/2-1/2 — Augsburg GER
1960 — Lutikov, Anatoly S vs Sakharov, Yuri N — 1-0 — Kiev UKR
1967 — Bobotsov, Milko G vs Mohrlok, Dieter — 1/2-1/2 — Vrnjacka Banja SRB
1970 — Benko, Pal vs Sigurjonsson, Gudmundur — 1-0 — Caracas VEN
1972 — Lemon, Richard C vs Knox, Victor W — 0-1 — Brighton ENG
7.cxd5 — 12.8% (25 parties)
1994 — Van der Sterren, Paul vs Van der Werf, Mark — 1/2-1/2 — Amsterdam ch-NED
1996 — Speelman, Jon S vs Koskinen, Henri — 1-0 — Copenhagen DEN
1998 — Franco Ocampos, Zenon vs Matsuura, Everaldo — 1/2-1/2 — Elista olm
2003 — Ehlvest, Jaan vs Shabalov, Alexander — 1/2-1/2 — New York, NY USA
2003 — Koneru, Humpy vs Dao, Thien Hai — 0-1 — Jodhpur IND
7.Ne5 — 0.5% (1 parties)
2004 — Drozdz, Andrzej vs Chandler, Tom — 0-1 — ?