C77e - 5.d3 d6 6.c4 - Ruy Lopez: Morphy Defense, Duras Variation (1907)

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C77e — Ruy Lopez: Morphy Defense, Duras Variation (1907)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c4
Les coups candidats
6…g6 — 49.8% (362 parties)
Ambassadeurs : Kuusela, Matti (6x), Mushini Ajay (6x), Mrva, Martin (5x), Varga, Zo (5x), Kuzmin, Gennadi (4x), Shirazi, Kamran (4x), Levitan, Ronit (4x), Werner, Dimo (3x)
6…Be7 — 36.5% (265 parties)
Ambassadeurs : Kuusela, Matti (6x), Nikitenko, Mihail (5x), Lutikov, Anatoly S (3x), Romanishin, Oleg M (3x), Klima, Lukas (2x), Atalik, Suat (2x), Hansen, Eric (2x), Koutny, Petr (2x)
6…Bg4 — 7.0% (51 parties)
Ambassadeurs : Kantans, Toms (2x), Pachman, Ludek (1x), Donner, Jan-Hein (1x), Bronstein, Luis Marcos (1x), Rubinetti, Jorge (1x), Calvo, Ruben (1x), Bolbochan, Julio (1x), Bergdahl, Assar (1x)
6…Bd7 — 6.1% (44 parties)
Ambassadeurs : Velicka, Petr (3x), Pfeiffer, Gerhard (2x), Unzicker, Ferdinand, Dr. (2x), Fercec, Nenad (2x), Wolk, Sigmund (1x), Van Seters, Frits (1x), Eken, Max (1x), Balinas, Rosendo C (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…g6 6…Be7 6…Bg4 6…Bd7
<1800 19 47% 47% — 5%
1800-2200 173 47% 40% 4% 7%
2200-2600 466 52% 34% 8% 6%
2600+ 33 45% 36% 18% —
Évolution par décennie (% des parties)
Décennie N parties 6…g6 6…Be7 6…Bg4 6…Bd7
1950s 12 8% 58% 8% 25%
1960s 3 — 100% — —
1970s 7 — 43% 29% 29%
1980s 22 64% 23% 5% 9%
1990s 50 50% 40% 2% 6%
2000s 97 38% 52% 5% 5%
2010s 323 46% 41% 7% 6%
2020s 213 63% 22% 9% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…g6 46% 63% ▲ +16.9%
6…Be7 41% 22% ▼ -19.0%
6…Bg4 7% 9% ▲ +2.9%
6…Bd7 6% 5% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 1 partie
Parties historiques
6…g6 — 49.8% (362 parties)
1955 — Pilnik, Herman vs Flores Alvarez, Rodrigo — 0-1 — Mar del Plata ARG
1980 — Brat, Vaclav Dr vs Schreiber, Adrian — 0-1 — corr Wcup3
1981 — Werner, Dimo vs Teschner, Rudolf — 1-0 — Duitsland tt
1982 — Kupreichik, Viktor D vs Tseshkovsky, Vitaly — 0-1 — Severodonetsk
1982 — Kuzmin, Gennadi vs Giorgadze, Tamaz — 1-0 — Erevan ARM
6…Be7 — 36.5% (265 parties)
1952 — Fuderer, Andrija vs Nedeljkovic, Alexsandar — 1/2-1/2 — Belgrade SRB
1952 — Puiggros, Guillermo vs German, Eugenio — 0-1 — Mar del Plata ARG
1955 — Byvshev, Vasily vs Lutikov, Anatoly S — 1-0 — Moscow RUS
1955 — Pfeiffer, Gerhard vs Matanovic, Aleksandar — 0-1 — Hamburg GER
1955 — Shaposhnikov, Yury vs Lutikov, Anatoly S — 0-1 — USSR
6…Bg4 — 7.0% (51 parties)
1950 — Pachman, Ludek vs Donner, Jan-Hein — 1/2-1/2 — Venice ITA
1970 — Calvo, Ruben vs Bolbochan, Julio — 1/2-1/2 — Siegen olm
1971 — Bergdahl, Assar vs Andersson, Ulf G. — 1/2-1/2 — cr.
1981 — Bronstein, Luis Marcos vs Rubinetti, Jorge — 1-0 — Buenos Aires ARG
1990 — Luecke, Norbert vs Lukacs, Peter — 1/2-1/2 — Miskolc
6…Bd7 — 6.1% (44 parties)
1950 — Pfeiffer, Gerhard vs Unzicker, Ferdinand, Dr. — 0-1 — Travemunde
1950 — Van Seters, Frits vs Eken, Max — 1-0 — It Beverwijk NED
1955 — Pfeiffer, Gerhard vs Wolk, Sigmund — 1-0 — Hoechst ch-GER
1975 — Knoetzsch, Helmut vs Pauli, Alexander, Dr. — 1-0 — ?
1979 — Balinas, Rosendo C vs Weiss, Augustin — 1/2-1/2 — Lodz POL