E39b - 6.Bf4 - Classical, Pirc (1954)

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E39b — Classical, Pirc (1954)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bf4
Les coups candidats
6…Bxc5 — 47.6% (160 parties)
Ambassadeurs : Whiteley, Andrew Jonathan (7x), Forintos, Gyozo V (5x), Taimanov, Mark (5x), Eken, Max (4x), Gerusel, Mathias (4x), Wise, Thomas H (3x), Csom, Istvan (3x), Haygarth, Michael J (3x)
6…Na6 — 46.1% (155 parties)
Ambassadeurs : Gerusel, Mathias (8x), Tatai, Stefano (5x), Bagirov, Vladimir (4x), Ivkov, Borislav (3x), Paulsen, Dirk (3x), Archer, Clark Emerson (3x), Gipslis, Aivars (3x), Andersson, Ulf (2x)
6…Qa5 — 5.1% (17 parties)
Ambassadeurs : Forintos, Gyozo V (1x), Csom, Istvan (1x), Muhring, Willem Jan (1x), Pines, Moshe (1x), Starck, Bodo (1x), Liebert, Heinz (1x), Llorens Rubio, Joan (1x), Sanguinetti, Ricardo (1x)
6…Bxc3+ — 0.6% (2 parties)
Ambassadeurs : Matrens (1x), Byawaka Alvin Herbert (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 9 44% 44% 11% —
1800-2200 58 48% 52% — —
2200-2600 106 38% 54% 8% 1%
2600+ 5 60% 40% — —
Évolution par décennie (% des parties)
Décennie N parties 6…Bxc5 6…Na6 6…Qa5 6…Bxc3+
1950s 19 89% 5% 5% —
1960s 44 68% 18% 11% 2%
1970s 79 48% 47% 3% 1%
1980s 53 30% 68% 2% —
1990s 73 42% 53% 3% —
2000s 43 40% 51% 9% —
2010s 18 33% 56% 11% —
2020s 7 71% 29% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bxc5 33% 71% ▲ +38.1%
6…Na6 56% 29% ▼ -27.0%
6…Qa5 11% 0% ▼ -11.1%
6…Bxc3+ 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
6…Bxc5 — 47.6% (160 parties)
1953 — Eken, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1953 — Eken, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1954 — Eken, Max vs Kupper, Josef — 1/2-1/2 — Zurich SUI
1954 — Andersen, Borge vs Fuderer, Andrija — 0-1 — Amsterdam olm
1955 — Kahn, Manfred vs Fuchs, Reinhart — 1/2-1/2 — Zwickau
6…Na6 — 46.1% (155 parties)
1959 — Hadi, Adrian vs Mothersill, Anne — 1-0 — Bognor Regis
1965 — Ungureanu, Emil vs Voiculescu, Paul — 0-1 — Bucharest ROU
1966 — Larsen, Bent Ravn vs Johansson, Martin 1979 — 0-1 — Stockholm SWE
1966 — Clement, Paul vs Cijfers, R — 1-0 — Belgium ch 6566
1966 — Liptay, Laszlo Dr. vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
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 — Forintos, Gyozo V vs Csom, Istvan — 1/2-1/2 — HUN-ch Budapest HUN
6…Bxc3+ — 0.6% (2 parties)
1967 — Matrens vs Byawaka Alvin Herbert — 1-0 — Sweden ch
1974 — Schiffer, Karl-Josef vs Kleinwaechter, Matthias — 0-1 — FRG-Cup [Meyer,H