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A12o — London Defence (1924)
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6 6.Bb2
Les coups candidats
6…Nbd7 — 36.6% (838 parties)
Ambassadeurs : Lubczynski, Rafal (5x), Cekro, Ekrem (4x), Hasangatin, Ramil (4x), Valkesalmi, Kimmo (3x), Gomes, Mary Ann (3x), Botvinnik, Mikhail (2x), Smyslov, Vasily (2x), Werner, Stephan (2x)
6…Be7 — 28.4% (649 parties)
Ambassadeurs : Wenner, Tobias (4x), Lubczynski, Rafal (4x), Faldt, Magnus (3x), Skalkotas, Nikolaos (2x), Formanek, Edward (2x), Pachman, Ludek (2x), Starck, Bodo (2x), Dake, Arthur William (2x)
6…h6 — 23.2% (531 parties)
Ambassadeurs : Haba, Petr (3x), Grabuzova, Tatiana (3x), Chistiakova, Tamara (3x), Stoeckl, Stephan (3x), Kowalski, Igor (3x), Sunye Neto, Jaime (2x), Christiansen, Larry (2x), Markowski, Tomasz (2x)
6…Bd6 — 8.4% (193 parties)
Ambassadeurs : Sarosy, Zoltan L (2x), Anderson, Frank Ross (2x), Houska, Jovanka (2x), Pollitt, James D (1x), Hooper, David (1x), Brodie, Hugh (1x), Agnew, Gerald (1x), Archer, Clark Emerson (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nbd7 6…Be7 6…h6 6…Bd6
<1800 99 33% 25% 22% 13%
1800-2200 976 35% 30% 21% 10%
2200-2600 882 35% 29% 29% 5%
2600+ 12 58% 17% 25% —
Évolution par décennie (% des parties)
Décennie N parties 6…Nbd7 6…Be7 6…h6 6…Bd6
1950s 32 56% 25% 9% 9%
1960s 39 46% 21% 13% 8%
1970s 58 38% 38% 21% 2%
1980s 121 33% 29% 30% 5%
1990s 424 37% 30% 20% 9%
2000s 711 38% 29% 20% 10%
2010s 729 37% 27% 25% 8%
2020s 173 29% 25% 37% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nbd7 37% 29% ▼ -7.7%
6…Be7 27% 25% ▼ -2.0%
6…h6 25% 37% ▲ +11.9%
6…Bd6 8% 6% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Gukesh D — 1 partie
Parties historiques
6…Nbd7 — 36.6% (838 parties)
1951 — Smyslov, Vasily vs Keres, Paul — 1-0 — Moscow RUS
1951 — Zalys, Ignas vs Tanguay, Alexandre — 1-0 — Montreal CAN
1951 — Smyslov, Vladimir vs Keres, Paul Petrovich — 0-1 — Moskou ch-URS
1952 — Reinhardt, Enrique vs Bolbochan, Jacobo — 0-1 — Mar del Plata ARG
1952 — Garcia Vera, Romeo vs Huguet, Horacio E — 1-0 — Buenos Aires ARG
6…Be7 — 28.4% (649 parties)
1950 — Pirc, Vasja vs Bosch van Rosenthal, Edzard — 0-1 — Amsterdam NED
1952 — Hajtun, Jozsef vs Pogats, Jozsef Jr. — 0-1 — Gyor
1953 — Sarosy, Zoltan L vs Kerns, Keith — 1-0 — Toronto CAN
1955 — Stahlberg, Gideon vs Pachman, Ludek — 1/2-1/2 — Goteborg izt
1956 — Flohr, Salo vs Pachman, Ludek — 1/2-1/2 — Marianske Lazne/Praha
6…h6 — 23.2% (531 parties)
1952 — Abanin, Vladimir vs Goldenov, Boris P — 1-0 — URS-ch sf Minsk BLR
1955 — Hoenlinger, Baldur vs Bialas, Wolfram — 1/2-1/2 — Hoechst ch-GER
1956 — Livshin, Iosif vs Romanovsky, Pjotr — 1-0 — Kharkov UKR
1962 — Thiellement, Andre vs Rometti, Nicola Barbatto — 0-1 — Paris FRA
1964 — Tsebenko, Vsevolod N vs Serebrisky, Alexander S — 1/2-1/2 — ?
6…Bd6 — 8.4% (193 parties)
1951 — Sarosy, Zoltan L vs Anderson, Frank Ross — 0-1 — Toronto CAN
1951 — Anderson, Frank Ross vs Sarosy, Zoltan L — 1-0 — Toronto CAN
1953 — Pollitt, James D vs Hooper, David — 1/2-1/2 — Hastings ch-BCF
1967 — Archer, Clark Emerson vs Hoad, Zeline — 1/2-1/2 — ?
1968 — Brodie, Hugh vs Agnew, Gerald — 1-0 — Montreal m1