C86h - 9.d4 - Spanish: Worrall Attack (1910)

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C86h — Spanish: Worrall Attack (1910)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d6 9.d4
Les coups candidats
9…Bg4 — 80.4% (675 parties)
Ambassadeurs : Dorawa, Bernhard (8x), Mathes, Werner (7x), Bagirov, Vladimir (6x), Chorfi, Khaled (6x), Kaminski, Marcin (6x), Estrada Nieto, Julian (6x), Szakolczai, Peter (5x), Polgar, Judit (5x)
9…exd4 — 9.5% (80 parties)
Ambassadeurs : Mathes, Werner (3x), Karpov, Anatoly (2x), Unzicker, Ferdinand, Dr. (2x), Haag, Ervin (1x), Honfi, Karoly (1x), Becker, Andreas, Dr. (1x), Rapp, Uwe (1x), McKay, Roderick M (1x)
9…Bb7 — 6.2% (52 parties)
Ambassadeurs : Kveinys, Aloyzas (2x), Kienast, Joerg (2x), Psakhis, Lev (2x), Novik, Maxim (2x), Bagirov, Vladimir (1x), Georgescu, Vasile-Maxim (1x), Sanchez, Luis Alejandro (1x), Chiaramonti, Jacques (1x)
9…Nd7 — 1.4% (12 parties)
Ambassadeurs : Medina-Garcia, Antonio (2x), Letelier Martner, Rene (2x), Cuijpers, Frans Andre (1x), De Vreugt, Dennis (1x), Seminara, Juan Pablo (1x), Miguel, Luis (1x), Kaminski, Marcin (1x), Murdzia, Piotr (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bg4 9…exd4 9…Bb7 9…Nd7
<1800 29 69% 17% 10% —
1800-2200 261 80% 9% 6% 2%
2200-2600 352 81% 8% 8% 1%
2600+ 14 86% — 14% —
Évolution par décennie (% des parties)
Décennie N parties 9…Bg4 9…exd4 9…Bb7 9…Nd7
1950s 36 78% 8% 3% 6%
1960s 53 77% 15% 4% —
1970s 23 74% 17% — —
1980s 26 85% 12% — —
1990s 265 81% 11% 5% 2%
2000s 222 82% 8% 7% 2%
2010s 198 80% 8% 9% 1%
2020s 17 76% 12% 12% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bg4 80% 76% ▼ -3.8%
9…exd4 8% 12% ▲ +4.2%
9…Bb7 9% 12% ▲ +3.2%
9…Nd7 1% 0% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Anand, Viswanathan — 3 parties
Parties historiques
9…Bg4 — 80.4% (675 parties)
1950 — Keres, Paul Petrovich vs Pogats, Jozsef Jr. — 1-0 — It Schiavno Zdroj
1950 — Keres, Paul vs Pogats, Jozsef Jr. — 1-0 — Schiavno Zdroj
1951 — Budowski, Gerardo vs Choubey Saurabh — 0-1 — Caracas zt
1951 — Dubinin, Peter vs Petrosian, Tigran V. — 1-0 — Sverdlovsk
1951 — Souza Mendes, J. vs Guimard, Noela — 1/2-1/2 — Mar del Plata ARG
9…exd4 — 9.5% (80 parties)
1950 — Bobekov, Radko vs Petrov, Petar — 1-0 — Sofia BUL
1955 — Alsjo, Sigge vs Milic, Borislav — 0-1 — Novi Sad SRB
1955 — Dorawa, Bernhard vs Hunte, Hugo — 0-1 — Zwickau
1960 — Keres, Paul Petrovich vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Hamburg WGER-USSR
1963 — Kupper, Josef vs Weiss, Philippe — 1/2-1/2 — Enschede NED
9…Bb7 — 6.2% (52 parties)
1952 — Tsiknopoulos, Konstantinos vs Pytlakowski, Andrzej — 1/2-1/2 — Helsinki FIN
1962 — Bagirov, Vladimir vs Georgescu, Vasile-Maxim — 1/2-1/2 — ?
1966 — Sanchez, Luis Alejandro vs Chiaramonti, Jacques — 1-0 — Havana CUB
1991 — Escher, Thomas vs Dirr, Ulrich — 1/2-1/2 — BL2-S9091 GER
1992 — Psakhis, Lev vs Novik, Maxim — 0-1 — Moscow RUS
9…Nd7 — 1.4% (12 parties)
1953 — Medina-Garcia, Antonio vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1953 — Medina-Garcia, Antonio vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1993 — Kaminski, Marcin vs Murdzia, Piotr — 1/2-1/2 — Lubniewice Tch-POL
1994 — Shetty Rahul vs Gokhale, Jayant Suresh — 1-0 — Indianapolis, IN USA
1998 — Seminara, Juan Pablo vs Miguel, Luis — 1-0 — Buenos Aires ARG