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A32s — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Qb3
Eval: [+0.13]
Les coups candidats
6…Bc5 — 49.0% (125 parties)
Ambassadeurs : Spielmann, Rudolf (6x), Seredenko, Vladimir (2x), Agzamov, Georgy (2x), Tarrasch, Siegbert (1x), Aarland, Stein Arild (1x), Botvinnik, Mikhail (1x), Gruenfeld, Ernst (1x), Vidmar, Milan Jr (1x)
6…Na6 — 27.5% (70 parties)
Ambassadeurs : Pomar Salamanca, Arturo (2x), Izeta Txabarri, Felix (2x), De La Rocha Prieto, Ramon (2x), Colle, Edgar (1x), Yates, Frederic D (1x), Bogoljubow, Efim (1x), Przepiorka, Dawid (1x), Raud, Ilmar (1x)
6…Bxc3+ — 8.6% (22 parties)
Ambassadeurs : Porath, Yosef (1x), Kraemer, Adolf (1x), Enevoldsen, Harald (1x), Pedersen, Eigil (1x), Campomanes, Florencio (1x), Rodriguez, Ruben (1x), Di Norcia, Mattia (1x), Cassidy, Bernard (1x)
6…Qa5 — 5.9% (15 parties)
Ambassadeurs : Landau, Salo (1x), Reid, Graeme C (1x), Kwapisz, Stanislaw (1x), Gromek, Jozef (1x), Ingelmo Iglesias, Agustin (1x), Buxade Roca, Guillermo (1x), Nobrega, Adaucto Wanderley (1x), Velasquez Ojeda, Cesar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bc5 6…Na6 6…Bxc3+ 6…Qa5
<1800 3 33%
1800-2200 75 48% 23% 5% 7%
2200-2600 113 54% 30% 7% 4%
2600+ 4 50% 25% 25%
Évolution par décennie (% des parties)
Décennie N parties 6…Bc5 6…Na6 6…Bxc3+ 6…Qa5
1920s 9 56% 22% 11% 11%
1930s 4 75% 25%
1950s 10 20% 30% 30% 20%
1960s 9 56% 22% 22%
1970s 18 50% 33% 11% 6%
1980s 21 52% 33% 5% 5%
1990s 49 39% 37% 10% 4%
2000s 60 43% 28% 10% 3%
2010s 63 60% 19% 10%
2020s 12 58% 17% 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bc5 60% 58% ▼ -2.0%
6…Na6 19% 17% ▼ -2.4%
6…Bxc3+ 0% 17% ▲ +16.7%
6…Qa5 10% 0% ▼ -9.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
6…Bc5 — 49.0% (125 parties)
1922 — Post, Erhard vs Leonhardt, Fabrice — 0-1 — Bad Oeynhausen GER
1926 — Tarrasch, Siegbert vs Spielmann, Rudolf — 1/2-1/2 — Semmering AUT
1926 — Przepiorka, Dawid vs Spielmann, Rudolf — 1-0 — Munich GER
1929 — Gruenfeld, Ernst vs Spielmann, Rudolf — 1-0 — Vienna AUT
1929 — Menchik, Vera Frantsevna vs Spielmann, Rudolf — 0-1 — Carlsbad CZE
6…Na6 — 27.5% (70 parties)
1922 — Bogoljubow, Efim vs Przepiorka, Dawid — 1-0 — Bad Pistyan CZE
1927 — Colle, Edgar vs Yates, Frederic D — 0-1 — Kecskemet HUN
1938 — Raud, Ilmar vs Keres Paul Petrovich — 1/2-1/2 — Tallinn EST
1953 — Boleslavsky, Isaac vs Szabo, Laszlo — 0-1 — Zurich SUI
1955 — Willaert, Robert vs Prins, Lodewijk — 0-1 — Mont Pelerin sur Vevey
6…Bxc3+ — 8.6% (22 parties)
1927 — Porath, Yosef vs Kraemer, Adolf — 1-0 — Gleiwitz
1951 — Enevoldsen, Harald vs Pedersen, Eigil — 1/2-1/2 — Odense DEN
1954 — Paulus, Joseph vs Boutteville, Cesar — 0-1 — Marseille FRA
1955 — Alcaraz Suarez, Juan Camilo vs Maderna, Carlos — 0-1 — Buenos Aires ARG
1966 — Di Norcia, Mattia vs Cassidy, Bernard — 1-0 — Havana CUB
6…Qa5 — 5.9% (15 parties)
1926 — Landau, Salo vs Reid, Graeme C — 1-0 — Scarborough/ North Yorkshire
1958 — Ingelmo Iglesias, Agustin vs Buxade Roca, Guillermo — 1/2-1/2 — Catalunya
1959 — Kwapisz, Stanislaw vs Gromek, Jozef — 0-1 — Lodz POL
1974 — Nobrega, Adaucto Wanderley vs Velasquez Ojeda, Cesar — 1-0 — Nice FRA
1989 — Wiekert, Martin vs Eperjesi, Laszlo Dr. — 0-1 — Dortmund op Dortmund GER