A32b — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.e3
Eval: [+0.13]
Les coups candidats
5…Nc6 — 43.4% (142 parties)
Ambassadeurs : Clarke, Paul R H (3x), Cylwik, Zbigniew (2x), Bertok, Mario Jr. (2x), Doda, Zbigniew (2x), Markowski, Piotr (2x), Morozkov, Artemiy (1x), Ilyin Zhenevsky, Alexander (1x), Darga, Klaus (1x)
5…a6 — 17.7% (58 parties)
Ambassadeurs : Avner, Uri (1x), Lederman, Leon (1x), Csom, Istvan (1x), Karlsson, Lars 1937 (1x), Kataev, Simcho (1x), Kaspi, Alexander (1x), Bors, Tamas (1x), Hardicsay, Peter (1x)
5…Bb4+ — 12.8% (42 parties)
Ambassadeurs : Filip, Marius Liviu (1x), Stahlberg, Gideon (1x), Simkin, Y (1x), Yuhtman, Jacov (1x), Cebalo, Miso (1x), Boskovic, Milorad (1x), Petrosian, Tigran A. (1x), Korchnoi, Viktor (1x)
5…Be7 — 12.2% (40 parties)
Ambassadeurs : Segal, Alexandru Sorin (2x), Browne, Walter Shawn (2x), Priehoda, Vitezslav (2x), Kottnauer, Cenek (1x), Zíta, František (1x), Filip, Marius Liviu (1x), Pachman, Ludek (1x), Taimanov, Mark (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 6 33% 17% 17%
1800-2200 100 39% 18% 9% 12%
2200-2600 121 40% 26% 13% 12%
2600+ 2 50% 50%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…a6 5…Bb4+ 5…Be7
1930s 1 100%
1940s 1 100%
1950s 6 67% 17% 17%
1960s 21 71% 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 100 39% 21% 14% 11%
2020s 23 35% 22% 13% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 39% 35% ▼ -4.2%
5…a6 21% 22% ▲ +0.7%
5…Bb4+ 14% 13% ▼ -1.0%
5…Be7 11% 4% ▼ -6.7%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
5…Nc6 — 43.4% (142 parties)
1931 — Morozkov, Artemiy vs Ilyin Zhenevsky, Alexander — 0-1 — Moscow RUS
1954 — Hoenlinger, Baldur vs Unzicker, Wolfgang — 0-1 — Duisburg/Hamborn
1954 — Bobekov, Radko vs Keres, Paul — 0-1 — Amsterdam NED
1957 — Troger, Emma vs Schuster, Ailleann — 1-0 — Bad Neuenahr GER
1959 — Simagin, Vladimir vs Khodos, German — 0-1 — Leningrad RUS
5…a6 — 17.7% (58 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 A 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% (42 parties)
1954 — Filip, Marius Liviu 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 Korchnoi, Viktor — 1/2-1/2 — Palma de Majorca ESP
1972 — Ek, Hans vs Jansson, Borje — 1/2-1/2 — Sweden
5…Be7 — 12.2% (40 parties)
1943 — Kottnauer, Cenek vs Zíta, František — 1-0 — Zlin CZE
1954 — Filip, Marius Liviu vs Pachman, Ludek — 1/2-1/2 — Czechoslovakia
1962 — Taimanov, Mark vs Matanovic, Aleksandar — 1-0 — Lvov UKR
1972 — Martinovsky, Eugene vs Browne, Walter Shawn — 1-0 — Statham Masters Open
1972 — Pomar Salamanca, Arturo vs Browne, Walter Shawn — 0-1 — Malaga ESP