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C84b — Closed, Morphy Attack (1900)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Nc3
Les coups candidats
Ambassadeurs : Baer Werner (13x), Keres, Paul Petrovich (11x), Li, Ruifeng (11x), Chitescu, Ioan (9x), Bernal Varela, Nelson (9x), Semmler, Josef (8x), Babchik, Aleksandr (8x), Ciocaltea, Victor (7x)
6…d6 — 8.1% (94 parties)
Ambassadeurs : Keres, Paul (3x), Smyslov, Vasily (2x), Szabo, Laszlo (2x), Keres, Paul Petrovich (2x), Witkowski, Stefan (1x), Solecki, Zbigniew (1x), Kuipers, Eelco (1x), Kupper, Josef (1x)
6…O-O — 4.3% (50 parties)
Ambassadeurs : Lindholm, Sonja (2x), Raisanen, Kim (2x), Eichhorn, Ernst (1x), MacGrillen, Hugh (1x), Foscolos, Nick (1x), Cole, Tristram C (1x), Porkka, Oskari (1x), Sladovnik, Tomas (1x)
6…Nd4 — 0.1% (1 parties)
Ambassadeurs : Wall, Alejandro (1x), Latell, John (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…b5 6…d6 6…O-O 6…Nd4
<1800 109 84% 9% 6% —
1800-2200 414 89% 7% 4% —
2200-2600 239 95% 4% 1% —
2600+ 21 90% 10% — —
Évolution par décennie (% des parties)
Décennie N parties 6…b5 6…d6 6…O-O 6…Nd4
1950s 61 80% 20% — —
1960s 74 81% 18% 1% —
1970s 27 93% 7% — —
1980s 26 85% 12% — 4%
1990s 89 81% 7% 12% —
2000s 268 82% 8% 9% —
2010s 478 91% 6% 3% —
2020s 135 94% 5% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…b5 91% 94% ▲ +2.9%
6…d6 6% 5% ▼ -0.9%
6…O-O 3% 1% ▼ -1.8%
6…Nd4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 5 parties
Parties historiques
6…b5 — 87.4% (1012 parties)
1950 — Westphal, Leonhard vs Teschner, Rudolf — 0-1 — Berlin GER
1950 — Penrose, Jonathan vs Kara, Neman — 1-0 — Southsea
1951 — Schmitz, Aaron vs Walther, Edgar — 1/2-1/2 — cr.
1951 — Penrose, Jonathan vs Broadbent, Reginald — 0-1 — Swansea WLS
1952 — Penrose, Jonathan vs Bolbochan, Julio — 1/2-1/2 — Helsinki olm
6…d6 — 8.1% (94 parties)
1950 — Keres, Paul Petrovich vs Smyslov, Vasily — 1/2-1/2 — Budapest HUN
1953 — Penrose, Jonathan vs Aditya Balu Jadhav — 1-0 — Hastings ENG
1956 — Keres, Paul vs Smyslov, Vasily — 1/2-1/2 — Amsterdam NED
1956 — Hudson, John A vs Crittenden, C. — 1/2-1/2 — Oklahoma City, OK USA
1956 — Balanel, Ion vs Filip, Miroslav — 0-1 — Moskou olm
6…O-O — 4.3% (50 parties)
1968 — Eichhorn, Ernst vs MacGrillen, Hugh — 1/2-1/2 — Ybbs
1994 — Jarvis, K. vs Calugaru, P. — 0-1 — Detroit Motor City opDEU
1995 — Foscolos, Nick vs Cole, Tristram C — 1-0 — corr IECG Cat-D
1996 — Wagner, Hermann vs Weddeling, Franz, Dr. — 1-0 — GER
1997 — Lindholm, Sonja vs Porkka, Oskari — 1-0 — FIN
6…Nd4 — 0.1% (1 parties)
1985 — Wall, Alejandro vs Latell, John — 1-0 — Palo Alto,CA