A32b — Symmetrical, Two Knights (1943)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.e3
Les coups candidats
5…Nc6 — 43.5% (146 parties)
Ambassadeurs : Archer, Clark Emerson (3x), Cylwik, Zbigniew (2x), Bertok, Mario Jr. (2x), Fischer, Robert J (2x), Doda, Zbigniew (2x), Darga, Klaus (1x), Spassky, Boris Vasily (1x), Atim Alicia Okello (1x)
5…a6 — 17.6% (59 parties)
Ambassadeurs : Avner, Uri (1x), Lederman, Leon (1x), Csom, Istvan (1x), Karlsson, Lars 1937 (1x), Dettmann, Gerd (1x), Arbakov, Valentin (1x), Kataev, Simcho (1x), Kaspi, Alexander (1x)
5…Bb4+ — 12.8% (43 parties)
Ambassadeurs : Simkin, Y (1x), Yuhtman, Jacov (1x), Filip, Miroslav (1x), Stahlberg, Gideon (1x), Cebalo, Miso (1x), Boskovic, Milorad (1x), Petrosian, Tigran A. (1x), Kortchnoi, V. (1x)
5…Be7 — 12.2% (41 parties)
Ambassadeurs : Segal, Alexandru Sorin (2x), Browne, Walter Shawn (2x), Taimanov, Mark (1x), Matanovic, Aleksandar (1x), Filip, Miroslav (1x), Pachman, Ludek (1x), Auer, Franz (1x), Janetschek, Karl (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nc6 5…a6 5…Bb4+ 5…Be7
<1800 20 40% 10% 25% 10%
1800-2200 120 41% 18% 8% 13%
2200-2600 121 39% 25% 14% 13%
2600+ 2 50% 50%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…a6 5…Bb4+ 5…Be7
1950s 6 67% 17% 17%
1960s 22 73% 14% 5%
1970s 32 66% 3% 9% 22%
1980s 9 22% 11% 22% 22%
1990s 40 40% 20% 20% 8%
2000s 94 38% 23% 9% 14%
2010s 102 38% 22% 14% 12%
2020s 31 39% 16% 13% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 38% 39% +0.5%
5…a6 22% 16% ▼ -5.4%
5…Bb4+ 14% 13% ▼ -0.8%
5…Be7 12% 6% ▼ -5.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
5…Nc6 — 43.5% (146 parties)
1954 — Hoenlinger, Baldur vs Unzicker, Ferdinand, Dr. — 0-1 — Duisburg/Hamborn
1954 — Bobekov, Radko vs Keres, Paul — 0-1 — Amsterdam olm
1957 — Troger, Emma vs Schuster, Theodor — 1-0 — Bad Neuenahr GER
1959 — Simagin, Vladimir vs Khodos, German — 0-1 — Leningrad RUS
1961 — Furman, Semyon vs Stein, Leonid — 1-0 — Moskou
5…a6 — 17.6% (59 parties)
1973 — Avner, Uri vs Lederman, Leon — 1-0 — Netanya ISR
1983 — Csom, Istvan vs Karlsson, Lars 1937 — 1/2-1/2 — Copenhagen DEN
1991 — Gayet, Philippe vs Giffard, Nicolas — 0-1 — Frankrijk tt
1993 — Madina Yadarola, Martin vs Szmetan, Jorge — 1/2-1/2 — Buenos Aires ARG
1994 — Kataev, Simcho vs Kaspi, Alexander — 0-1 — Tel Aviv ISR
5…Bb4+ — 12.8% (43 parties)
1954 — Filip, Miroslav vs Stahlberg, Gideon — 1/2-1/2 — Bucharest ROU
1966 — Simkin, Y vs Yuhtman, Jacov — 1-0 — ?
1969 — Cebalo, Miso vs Boskovic, Milorad — 1-0 — Pula CRO
1969 — Petrosian, Tigran A. vs Kortchnoi, V. — 1/2-1/2 — Palma de Majorca ESP
1972 — Ek, Hans vs Jansson, Borje — 1/2-1/2 — Sweden
5…Be7 — 12.2% (41 parties)
1954 — Filip, Miroslav vs Pachman, Ludek — 1/2-1/2 — Czechoslovakia
1962 — Taimanov, Mark vs Matanovic, Aleksandar — 1-0 — USSR
1972 — Aegerter, Martin vs Browne, Walter Shawn — 1-0 — Statham Masters Open
1972 — Pomar Salamanca, Arturo vs Browne, Walter Shawn — 0-1 — Malaga ESP
1975 — Guseva, Evgenia M. vs Khalafian, Erna — 1/2-1/2 — Riga LAT