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A32u — Symmetrical, Two Knights (1922)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Bd2
Les coups candidats
Ambassadeurs : Pomar Salamanca, Arturo (6x), Tal, Mikhail (4x), Veinger, Itzhak (3x), Wedberg, Tom (3x), Cebalo, Miso (3x), Garcia, Eder Raimundo (2x), Kozma, Julius (2x), Stahlberg, Gideon (2x)
6…O-O — 41.6% (372 parties)
Ambassadeurs : Pachman, Ludek (3x), Werner, Stephan (2x), Idigoras, G. (2x), Arnason, Bjarni (2x), Barle, Janez (2x), Sek, Zbigniew (2x), Titov, German (2x), Piesina, Gintautas (2x)
6…b6 — 2.6% (23 parties)
Ambassadeurs : Baxter, Andrew (1x), Hildebrandt, Alexander (1x), Clarke, Paul R H (1x), ? (1x), Fabbri, Mario (1x), Plachetka, Jan (1x), Aguirre Izaguirre, Pedro Jose (1x), Gomez Jurado, Luis Alberto (1x)
6…a6 — 1.6% (14 parties)
Ambassadeurs : Wisskirchen, Willi (1x), Mergel, Heinrich (1x), Cordara, Michele (1x), Sher, Miron (1x), Skozinski, Gunter (1x), Steen, Matthias (1x), Dautov, Rustem (1x), Hoffmann, Michael (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 40 45% 35% 8% 5%
1800-2200 304 48% 43% 3% 2%
2200-2600 355 55% 41% 2% 1%
2600+ 8 75% 25%
Évolution par décennie (% des parties)
Décennie N parties 6…Nc6 6…O-O 6…b6 6…a6
1950s 20 55% 45%
1960s 21 71% 24% 5%
1970s 65 74% 25% 2%
1980s 94 53% 43% 1%
1990s 195 51% 42% 3% 1%
2000s 227 49% 45% 1% 3%
2010s 227 49% 41% 6% 1%
2020s 46 41% 57% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nc6 49% 41% ▼ -7.6%
6…O-O 41% 57% ▲ +16.0%
6…b6 6% 0% ▼ -5.7%
6…a6 1% 2% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6…Nc6 — 51.8% (464 parties)
1952 — Trifunovic, Petar vs Cuellar, Mario Exequiel — 1/2-1/2 — Mar del Plata ARG
1952 — Eliskases, Erich vs Szabo, Laszlo — 0-1 — Saltsjobaden SWE
1953 — Scafarelli, Francesco vs Persitz, Raaphi — 1/2-1/2 — Wch U20 qual
1954 — Sajtar, Jaroslav vs Stahlberg, Gideon — 0-1 — Praag zt
1955 — Zhdanov, Aleksander vs Tal, Mikhail — 0-1 — Vilnius LTU
6…O-O — 41.6% (372 parties)
1952 — Taimanov, Mark vs Pachman, Ludek — 1/2-1/2 — Saltsjobaden SWE
1954 — Saigin, Vladimir vs Tal, Mikhail — 0-1 — Riga LAT
1954 — Weiner, Milan vs Pachman, Ludek — 1/2-1/2 — Prague CZE
1954 — Voiculescu, Paul vs Furman, Slavomir — 0-1 — Bucharest ROU
1954 — Parak, Frantisek vs Pachman, Ludek — 0-1 — Prague CZE
6…b6 — 2.6% (23 parties)
1967 — Baxter, Andrew vs Hildebrandt, Alexander — 1-0 — Winnipeg CAN
1978 — Clarke, Paul R H vs ? — 1-0 — cr.
1990 — Moulain, Jean-Pierre vs Abdelhakiem Abdelatief Nogdalla Fadul — 0-1 — Toulouse FRA
1990 — Titz, Heimo vs Wohlfahrt, Herbert — 1-0 — AUT-ch sf Finkenstein
1992 — Fabbri, Mario vs Plachetka, Jan — 0-1 — Zurich SUI
6…a6 — 1.6% (14 parties)
1986 — Wisskirchen, Willi vs Mergel, Heinrich — 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