C66b - 5.d4 - Spanish: Closed Berlin (1901)

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C66b — Spanish: Closed Berlin (1901)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4
Les coups candidats
Ambassadeurs : Campora, Daniel H. (40x), Jacobsen, Bo (23x), Fairhurst, William (9x), Rubinetti, Jorge (9x), Jacobsen, Benjamin Hojvang (9x), Pedersen, Karl (8x), Wade, Robert G (5x), Alexander G (5x)
5…exd4 — 38.7% (690 parties)
Ambassadeurs : Miettinen, Kristo S (13x), Simal Moreira, Leonardo (13x), Oliveira, João Carlos de (8x), Herr Jeff (5x), Babic, Darko (4x), ? (3x), Galsanov, Balzhinima (3x), Vladimirov, Yevgeniy (2x)
5…a6 — 3.9% (69 parties)
Ambassadeurs : Boutko, Dimitri (2x), Simard, Francois (2x), Leprohon, R. (1x), Moyo, Dion (1x), Belda Garcia Fresca, German Antonio (1x), Fernandez Allen, Secundino (1x), Dubbeldam, Masjenka (1x), Karssemeijer, Greta (1x)
5…Bg4 — 1.7% (31 parties)
Ambassadeurs : Fuller, Maxwell L (1x), Pike, Robert D (1x), Korzeniewski, R. (1x), Heuchel, G. (1x), Gypser, Andreas, Dr. (1x), Schmidt, Dale (1x), Hellwig, Martin (1x), Pahl, Helmut (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bd7 5…exd4 5…a6 5…Bg4
<1800 228 39% 48% 7% 4%
1800-2200 642 43% 53% 3% 1%
2200-2600 401 76% 21% 0% 0%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5…Bd7 5…exd4 5…a6 5…Bg4
1950s 32 94% 3% — —
1960s 41 76% 17% 2% 2%
1970s 103 84% 14% 1% —
1980s 129 78% 16% 2% —
1990s 273 59% 31% 5% 1%
2000s 542 52% 40% 4% 2%
2010s 539 38% 53% 5% 2%
2020s 126 44% 49% 3% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bd7 38% 44% ▲ +6.0%
5…exd4 53% 49% ▼ -3.7%
5…a6 5% 3% ▼ -2.0%
5…Bg4 2% 2% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 2 parties
Parties historiques
5…Bd7 — 53.4% (954 parties)
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1-0 — Tournament (candidates) (play
1950 — Ronean, J. vs McEachern, Neil — 1/2-1/2 — Edmonton CAN
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1-0 — Moscow RUS
1951 — Gilg, Karl vs Kieninger, Georg — 0-1 — Duesseldorf GER
1951 — Lokvenc vs Gragger — 1-0 — Austria
5…exd4 — 38.7% (690 parties)
1950 — John Bayron Moreno vs Callejo — 1-0 — cr.
1964 — Scholes, James Edward vs Celis Stephane — 1-0 — Krakow POL
1964 — Cipov, Karolina vs Kovcev — 1-0 — ?
1965 — Thomas, PA. vs Lee, PT. — 0-1 — Glasgow SCO
1965 — Kelvin Klein vs Kubbel — 1-0 — corr Baltic
5…a6 — 3.9% (69 parties)
1965 — Leprohon, R. vs Moyo, Dion — 0-1 — Quebec CAN
1975 — Sullivan, Neil vs Lacroix, Serge — 1-0 — Ottawa CAN
1982 — Dubbeldam, Masjenka vs Karssemeijer, Greta — 1-0 — Hilversum NED
1985 — Belda Garcia Fresca, German Antonio vs Fernandez Allen, Secundino — 1-0 — Valladolid
1992 — Kotronias, Vasilios vs Kiriklidis — 1-0 — ?
5…Bg4 — 1.7% (31 parties)
1968 — Fuller, Maxwell L vs Pike, Robert D — 1-0 — London ENG
1991 — Korzeniewski, R. vs Heuchel, G. — 1-0 — Reading,ENG
1994 — Hellwig, Martin vs Pahl, Helmut — 1-0 — Burg Stargard
1996 — Gypser, Andreas, Dr. vs Schmidt, Dale — 1-0 — Deutsche Betriebssport-Meiste
1997 — Sadek, Esam vs Jones, Eric — 1-0 — corr IECC M