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A33b — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Bf4
Eval: [+0.16]
Les coups candidats
6…d5 — 50.9% (252 parties)
Ambassadeurs : Vachier-Lagrave, Maxime (8x), Vleer, Henk (6x), Romanov, Egor (4x), Howell, David W L (4x), Ragozin, Evgeni (3x), Murey, Jacob (3x), Prraneeth Vuppala (3x), Gelfand, Boris (3x)
6…d6 — 19.6% (97 parties)
Ambassadeurs : Perunovic, Milos (4x), Gazi, Miroslav (2x), Szabo, Vilmos (2x), Diermair, Andreas (2x), Zavrazhnov, Andrej (2x), Nenezic, Marko (2x), Indjic, Aleksandar (2x), Smejkal, Jan (1x)
6…Bb4 — 11.3% (56 parties)
Ambassadeurs : Ragozin, Evgeni (2x), Hulak, Krunoslav (2x), Ivanchuk, Vasyl (2x), Grigoriev, Nikolai (1x), Rokhlin, Yakov G (1x), Kupchik, Abraham (1x), Palmer, Marvin (1x), Murey, Jacob (1x)
6…a6 — 10.1% (50 parties)
Ambassadeurs : ? (2x), Karaklajic, Nikola (1x), Segi, Lajos (1x), Ungureanu, Emil (1x), Garcia Martinez, Silvino (1x), Guddahl, Viggo (1x), Sorensen, Dick (1x), Rashkovsky, Nukhim N (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…d5 6…d6 6…Bb4 6…a6
<1800 3 67% 33%
1800-2200 78 42% 22% 10% 15%
2200-2600 312 52% 19% 10% 10%
2600+ 63 75% 13% 8%
Évolution par décennie (% des parties)
Décennie N parties 6…d5 6…d6 6…Bb4 6…a6
1920s 2 100%
1950s 1 100%
1970s 4 75%
1980s 24 46% 17% 33%
1990s 56 32% 16% 25% 16%
2000s 85 44% 19% 14% 15%
2010s 221 54% 25% 7% 6%
2020s 102 66% 13% 4% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…d5 54% 66% ▲ +11.8%
6…d6 25% 13% ▼ -12.1%
6…Bb4 7% 4% ▼ -3.3%
6…a6 6% 10% ▲ +3.5%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
6…d5 — 50.9% (252 parties)
1980 — Ristic, Nenad vs Rogulj, Branko — 1/2-1/2 — Smederevska Palanka
1980 — Trois, Francisco R.T. vs Rogulj, Branko — 0-1 — Virovitica CRO
1980 — Stean, Michael F vs Liberzon, Vladimir M — 1-0 — Baden-Baden GER
1982 — Andersson, Ulf vs Sosonko, Gennadi — 1/2-1/2 — Tilburg NED
1982 — Korchnoi, Viktor vs Timman, Jan H — 1-0 — Hilversum NED
6…d6 — 19.6% (97 parties)
1980 — Smejkal, Jan vs Sosonko, Gennadi — 1/2-1/2 — Valetta
1981 — Aguila Alain, Rogelio vs D`Arruda, Ricardo D. — 1-0 — Embalse
1982 — Schoeneberg, Manfred vs Gross, Stefan — 1-0 — Leipzig GER
1986 — Shabalov, Alexander vs Sokolov, Andrei — 1/2-1/2 — Minsk BLR
1990 — Linder, Arnaud vs Kertesz, Alfred — 0-1 — Koblenz
6…Bb4 — 11.3% (56 parties)
1925 — Kupchik, Abraham vs Palmer, Marvin — 0-1 — Cedar Point
1926 — Grigoriev, Nikolai vs Rokhlin, Yakov G — 1-0 — Moscow RUS
1980 — Kortchnoi, V. vs Polugaevsky, L. — 1/2-1/2 — Buenos Aires ARG
1980 — Korchnoi, Viktor vs Polugaevsky, Lev — 1/2-1/2 — Buenos Aires ARG
1983 — Laube, Reiner vs Markmann, Ulrich — 0-1 — Lemgo
6…a6 — 10.1% (50 parties)
1955 — Karaklajic, Nikola vs Segi, Lajos — 1-0 — Novi Sad SRB
1971 — Ungureanu, Emil vs Garcia Martinez, Silvino — 1-0 — Bucharest ROU
1971 — Guddahl, Viggo vs Sorensen, Dick — 0-1 — Schilde
1979 — Rashkovsky, Nukhim N vs Suetin, Alexey S — 1/2-1/2 — Sochi RUS
1991 — Lahav, Ehud vs Sindik, Ervin — 1/2-1/2 — Tel Aviv ISR