E39b - 6.Bf4 - Classical Pirc [+0.15]

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E39b — Classical Pirc
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bf4
Eval: [+0.15]
Les coups candidats
6…Bxc5 — 47.9% (159 parties)
Ambassadeurs : Euwe, Max (5x), Forintos, Gyozo V (5x), Taimanov, Mark (5x), Whiteley, Andrew Jonathan (4x), Gerusel, Mathias (4x), Wise, Thomas H (3x), Toth, Bela (3x), Koskela, Niina (3x)
6…Na6 — 45.8% (152 parties)
Ambassadeurs : Gerusel, Mathias (8x), Tatai, Stefano (5x), Toth, Bela (4x), Bagirov, Vladimir (4x), Ivkov, Borislav (3x), Paulsen, Dirk (3x), Gipslis, Aivars (3x), Ungureanu, Emil (2x)
6…Qa5 — 5.1% (17 parties)
Ambassadeurs : Starck, Bodo (1x), Liebert, Heinz (1x), Llorens Rubio, Joan (1x), Sanguinetti, Ricardo (1x), Whiteley, Andrew J (1x), Haugaard Nielsen, Johannes (1x), Marovic, Drazen (1x), Kluger, Gyula (1x)
6…Bxc3+ — 0.6% (2 parties)
Ambassadeurs : Matrens (1x), Hoerberg (1x), Schiffer, Karl-Josef (1x), Kleinwaechter, Matthias (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bxc5 6…Na6 6…Qa5 6…Bxc3+
<1800 2 50% 50% — —
1800-2200 38 50% 47% 3% —
2200-2600 107 37% 56% 6% 1%
2600+ 6 50% 33% 17% —
Évolution par décennie (% des parties)
Décennie N parties 6…Bxc5 6…Na6 6…Qa5 6…Bxc3+
1950s 19 89% 5% 5% —
1960s 45 69% 18% 11% 2%
1970s 79 48% 47% 3% 1%
1980s 50 30% 68% 2% —
1990s 73 42% 53% 3% —
2000s 43 40% 51% 9% —
2010s 18 33% 56% 11% —
2020s 5 80% 20% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bxc5 33% 80% ▲ +46.7%
6…Na6 56% 20% ▼ -35.6%
6…Qa5 11% 0% ▼ -11.1%
6…Bxc3+ 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 5 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
6…Bxc5 — 47.9% (159 parties)
1953 — Euwe, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1953 — Euwe, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1954 — Euwe, Max vs Kupper, Josef — 1/2-1/2 — Zurich SUI
1954 — Andersen, Baltser vs Fuderer, Andrija — 0-1 — Amsterdam NED
1955 — Kahn, Manfred vs Fuchs, Reinhart — 1/2-1/2 — Zwickau
6…Na6 — 45.8% (152 parties)
1959 — Hollis, Adrian vs Mothersill, Anne — 1-0 — Bognor Regis
1965 — Ungureanu, Emil vs Voiculescu, Paul — 0-1 — Bucharest ROU
1966 — Clement, Paul vs Cijfers, R — 1-0 — Belgium ch 6566
1966 — Liptay, Laszlo Dr. vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1966 — Larsen, Benjamin Holsko vs Johansson Rexner, Melker — 0-1 — Stockholm SWE
6…Qa5 — 5.1% (17 parties)
1955 — Muhring, Willem Jan vs Pines, Moshe — 1-0 — Johannesburg Public Library
1962 — Llorens Rubio, Joan vs Sanguinetti, Ricardo — 1-0 — corr ol4
1964 — Starck, Bodo vs Liebert, Heinz — 1/2-1/2 — Magdeburg GER
1965 — Marovic, Drazen vs Kluger, Gyula — 1/2-1/2 — Hamburg etc
1967 — Whiteley, Andrew J vs Haugaard Nielsen, Johannes — 1-0 — Harrachov
6…Bxc3+ — 0.6% (2 parties)
1967 — Matrens vs Hoerberg — 1-0 — Sweden ch
1974 — Schiffer, Karl-Josef vs Kleinwaechter, Matthias — 0-1 — FRG-Cup [Meyer,H