A32u - 5.Nc3 Bb4 6.Bd2 - Symmetrical Two Knights [+0.08]

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A32u — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Bd2
Eval: [+0.08]
Les coups candidats
Ambassadeurs : Tal, Mikhail (3x), Van Scheltinga, Theo (3x), Gavrikov, Viktor (3x), Taimanov, Mark (3x), Wedberg, Tom (3x), Lindberg, Bengt (3x), Bass Stanley (3x), Totsky, Leonid (3x)
6…O-O — 41.3% (368 parties)
Ambassadeurs : Pachman, Ludek (3x), Idigoras, G. (2x), Werner, Stephan (2x), Taimanov, Mark (2x), Kiger, Rick (2x), Sek, Zbigniew (2x), Titov, German (2x), Piesina, Gintautas (2x)
6…b6 — 2.8% (25 parties)
Ambassadeurs : Bogoljubow, Efim (1x), Wolf, Hans-Josef (1x), Factor, Samuel D (1x), Whitaker, Norman (1x), Baxter Gallardo, Samantha Iveth (1x), Hildebrandt, Alexander (1x), Clarke, Paul R H (1x), ? (1x)
6…a6 — 1.6% (14 parties)
Ambassadeurs : Wisskirchen, Willi (1x), Mergel, HW. (1x), Cordara, Michele (1x), Sher, Miron (1x), Skozinski, Gunter (1x), Steen, Matthias (1x), Handrick-Morgenstern, Petra (1x), Fliter, Irena (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nc6 6…O-O 6…b6 6…a6
<1800 20 45% 40% 5% 10%
1800-2200 244 49% 42% 4% 2%
2200-2600 365 54% 42% 2% 1%
2600+ 8 75% 25% — —
Évolution par décennie (% des parties)
Décennie N parties 6…Nc6 6…O-O 6…b6 6…a6
1920s 4 25% 25% 50% —
1930s 2 50% 50% — —
1940s 4 50% 50% — —
1950s 20 55% 45% — —
1960s 21 71% 24% 5% —
1970s 65 74% 25% 2% —
1980s 95 53% 43% — 1%
1990s 194 51% 42% 3% 1%
2000s 226 49% 45% 1% 3%
2010s 223 49% 40% 6% 1%
2020s 36 42% 56% — 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nc6 49% 42% ▼ -7.7%
6…O-O 40% 56% ▲ +15.6%
6…b6 6% 0% ▼ -5.8%
6…a6 1% 3% ▲ +1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Smyslov, Vladimir — 2 parties
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6…Nc6 — 51.8% (461 parties)
1920 — Rubinstein, Akiba vs Selezniev, Alexey — 1-0 — Goteborg SWE
1931 — Ipata, Pedro vs Tartakower, Savielly — 0-1 — Argentina exh
1940 — De la Llave, A. vs Becker, Albert — 0-1 — Buenos Aires ARG
1949 — Prins, Lodewijk vs Barcza, Gedeon — 1/2-1/2 — Venice ITA
1952 — Trifunovic, Petar vs Cuellar Alpire, Mariana — 1/2-1/2 — Mar del Plata ARG
6…O-O — 41.3% (368 parties)
1927 — Machate vs Spielmann, Rudolf — 0-1 — Magdeburg GER
1931 — Sultan Khan, Mir vs Tartakower, Savielly — 0-1 — Semmering AUT
1946 — Troeger, Paul vs Palme, Rudolf — 1-0 — Nt Augsburg GER
1949 — Lilienthal, Andor vs Smyslov, Vladimir — 0-1 — Moskou ch-URS
1952 — Taimanov, Mark vs Pachman, Ludek — 1/2-1/2 — Saltsjobaden SWE
6…b6 — 2.8% (25 parties)
1922 — Bogoljubow, Efim vs Wolf, Hans-Josef — 1-0 — Bad Pistyan CZE
1929 — Factor, Samuel D vs Whitaker, Norman — 1/2-1/2 — Saint Louis
1967 — Baxter Gallardo, Samantha Iveth vs Hildebrandt, Alexander — 1-0 — Winnipeg CAN
1978 — Clarke, Paul R H vs ? — 1-0 — cr.
1990 — Titz, Heimo vs Wohlfahrt, Herbert — 1-0 — AUT-ch sf Finkenstein
6…a6 — 1.6% (14 parties)
1986 — Wisskirchen, Willi vs Mergel, HW. — 1/2-1/2 — corr BdF
1990 — Skozinski, Gunter vs Steen, Matthias — 1-0 — Landes-Einzelmeister
1994 — Cordara, Michele vs Sher, Miron — 0-1 — Geneva SUI
2000 — Dautov, Rustem vs Hoffmann, Michael — 1/2-1/2 — Essen Borowski-Turnier g15 ra
2001 — Handrick-Morgenstern, Petra vs Fliter, Irena — 0-1 — Willingen