A39r — Symmetrical, Main Line 7.d4 (1958)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 a6 11.Bd2 Rb8 12.Rac1
Les coups candidats
12…Bf5 — 26.7% (98 parties)
Ambassadeurs : Smyslov, Vasily (3x), Geller, Efim P. (3x), Stupica, Janez (2x), Bukic, Enver (2x), Zheliandinov, Viktor (2x), Pribyl, Josef (2x), Grabarczyk, Miroslaw (2x), Gdanski, Jacek (2x)
12…Bd7 — 26.2% (96 parties)
Ambassadeurs : Kekki, Jorma (3x), Bocharov, Dmitry (3x), Seppanen, Asko (2x), Sterud, Edvard (2x), Ye, Rongguang (2x), Veiga, Jose Francisco R P Neves (2x), Gheorghiu, Florin (1x), Vasiukov, Evgeni (1x)
12…Be6 — 16.1% (59 parties)
Ambassadeurs : Wornath, Kai (3x), Cebalo, Miso (3x), O'Kelly de Galway, Alberic (1x), Damjanovic, Mato (1x), Geller, Efim P. (1x), Pribyl, Josef (1x), Pachman, Ludek (1x), Gheorghiu, Florin (1x)
12…Nd7 — 16.1% (59 parties)
Ambassadeurs : Grefe, John A (2x), Erdeljan, Miroslav (1x), Klaic, Pero (1x), Bany, Jerzy (1x), Schmidt, Waldemar (1x), Kavalek, Lubomir (1x), Andersson, Ulf (1x), Gheorghiu, Florin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Bf5 12…Bd7 12…Be6 12…Nd7
<1800 7 43% 43% — 14%
1800-2200 126 32% 27% 13% 10%
2200-2600 174 24% 25% 21% 18%
2600+ 10 30% 40% — —
Évolution par décennie (% des parties)
Décennie N parties 12…Bf5 12…Bd7 12…Be6 12…Nd7
1950s 1 — — — —
1960s 18 50% 6% 28% —
1970s 20 20% 15% 15% 50%
1980s 21 10% 48% 14% 19%
1990s 70 7% 26% 26% 20%
2000s 107 22% 24% 12% 24%
2010s 116 43% 28% 15% 4%
2020s 14 29% 36% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Bf5 43% 29% ▼ -14.5%
12…Bd7 28% 36% ▲ +7.3%
12…Be6 15% 0% ▼ -14.7%
12…Nd7 4% 0% ▼ -4.3%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Kasparov, Garry — 2 parties
Parties historiques
12…Bf5 — 26.7% (98 parties)
1965 — Smyslov, Vasily vs Geller, Efim P. — 1/2-1/2 — Moscow RUS
1965 — Smyslov, Vasily vs Geller, Efim P. — 1/2-1/2 — Moscow RUS
1965 — Lengyel, Levente vs Geller, Efim P. — 0-1 — Beverwijk NED
1965 — Smyslov, Vasily vs Matulovic, Milan — 1/2-1/2 — Hamburg etc
1966 — Zheliandinov, Viktor vs Pribyl, Josef — 1-0 — Prague CZE
12…Bd7 — 26.2% (96 parties)
1969 — Gheorghiu, Florin vs Vasiukov, Evgeni — 1/2-1/2 — Amsterdam NED
1970 — Ree, Hans vs Scholl, Eddie C — 1/2-1/2 — Amsterdam NED
1971 — Andersson, Ulf vs Liljedahl, Lennart — 1-0 — Goteborg SWE
1971 — Quinteros, Miguel A. vs Anelli, Antonio — 1-0 — Buenos Aires ARG
1983 — Ardiansyah, Haji vs Hernandez Ronny — 0-1 — Polanica Zdroj POL
12…Be6 — 16.1% (59 parties)
1966 — Geller, Efim P. vs Pribyl, Josef — 1-0 — Prague CZE
1966 — Filip, Miroslav vs Cobo Arteaga, Eldis — 1/2-1/2 — La Habana olm fin-A
1967 — Pachman, Ludek vs Gheorghiu, Florin — 1/2-1/2 — Vrnjacka Banja SRB
1968 — O'Kelly de Galway, Alberic vs Damjanovic, Mato — 1/2-1/2 — It Buesum GER
1969 — Marangunic, Srdjan vs Parma, Bruno — 1/2-1/2 — Novi Travnik ch YUG
12…Nd7 — 16.1% (59 parties)
1972 — Erdeljan, Miroslav vs Klaic, Pero — 1-0 — corr Yugoslavia
1972 — Andersson, Ulf vs Gheorghiu, Florin — 1/2-1/2 — Reykjavik ISL
1975 — Kavalek, Lubomir vs Grefe, John A — 1/2-1/2 — Oberlin ch-USA
1975 — Karlsson, Lars 1937 vs Grefe, John A — 1-0 — Stockholm SWE
1976 — Uhlmann, Wolfgang vs Smejkal, Jan — 1/2-1/2 — Arandjelovac