C86d - 8.c3 - Spanish: Worrall Attack (1908)

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C86d — Spanish: Worrall Attack (1908)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.c3
Les coups candidats
Ambassadeurs : Kaminski, Marcin (7x), Marjanovic, Slavoljub (6x), Mathes, Werner (5x), Blatny, Pavel (5x), Estrada Nieto, Julian (5x), Sokolov, Andrei (4x), Bagirov, Vladimir (3x), Spassky, Boris Vasily (3x)
8…Na5 — 18.4% (300 parties)
Ambassadeurs : Zuidema, Coen (3x), Czebe, Attila (3x), Gligoric, Sofija (2x), Novak, Ervin (2x), Weiss, Augustin (2x), Ree, Hans (2x), Sanz Aguado, Jose (2x), Bisguier, Arthur B (2x)
8…Bg4 — 11.2% (182 parties)
Ambassadeurs : Bagirov, Vladimir (2x), Flores, Adrian (1x), Sapre, Manoj R (1x), Bisguier, Arthur B (1x), Adulu Brandon (1x), Cleghorn, Peter (1x), Blohm, David (1x), Isenberg, J. (1x)
8…Bb7 — 0.6% (10 parties)
Ambassadeurs : Mogranzini, Roberto (1x), Bellemo, Davide (1x), Vila Fernandez, Miguel (1x), Campos Soler, Moises (1x), Jurcik, Marian (1x), Vanhara, Petr (1x), Shkuran, Danylo (1x), Parol, Maciej (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Na5 8…Bg4 8…Bb7
<1800 86 70% 16% 9% 5%
1800-2200 633 68% 17% 15% 1%
2200-2600 595 75% 17% 8% 0%
2600+ 20 60% 15% 25% —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Na5 8…Bg4 8…Bb7
1950s 79 54% 37% 6% —
1960s 84 58% 33% 8% —
1970s 44 68% 23% 9% —
1980s 49 78% 16% 6% —
1990s 368 70% 18% 12% —
2000s 432 72% 15% 13% 1%
2010s 501 71% 17% 10% 1%
2020s 72 71% 14% 14% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 71% 71% +0.2%
8…Na5 17% 14% ▼ -3.5%
8…Bg4 10% 14% ▲ +3.5%
8…Bb7 1% 1% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 4 parties
Karpov, Anatoly — 2 parties
Hou, Yifan — 2 parties
Parties historiques
8…O-O — 69.5% (1132 parties)
1950 — Brinckmann, Alfred vs Saemisch, Friedrich — 1-0 — Hamburg GER
1950 — Dubinin, Peter vs Suetin, Alexey S — 1-0 — RFSFR Tch
1950 — Dubinin, Peter vs Levenfish, Grigory — 1-0 — Gorky
1951 — Budowski, Gerardo vs Choubey Saurabh — 0-1 — Caracas zt
1951 — Kljawinsch vs Ragozin, Alexander — 0-1 — Lvov UKR
8…Na5 — 18.4% (300 parties)
1950 — Bisguier, Arthur B vs Penrose, Jonathan — 1-0 — Southsea
1950 — Bobekov, Radko vs Neikirkh, Oleg — 0-1 — Sofia BUL
1952 — Cruz, Walter vs Mangini, Jose Henrique de Mello — 1/2-1/2 — Rio de Janeiro BRA
1952 — Lokvenc, Josef vs Aleman Dovo, Miguel — 1/2-1/2 — Helsinki olm
1952 — Pelikán, Jiří vs Skliar, Jaime — 1-0 — cr.
8…Bg4 — 11.2% (182 parties)
1954 — Wills, Aimee vs Hartleb, Glenn E — 1-0 — New Orleans, LA USA
1956 — Flores, Adrian vs Sapre, Manoj R — 1/2-1/2 — Moskou olm
1957 — Hruskova Belska, Nina vs Litmanowicz, Miroslawa — 1/2-1/2 — Krakow POL
1958 — Bagirov, Vladimir vs Khalilbeili — 0-1 — ?
1958 — Bagirov, Vladimir vs Xalilbeily — 0-1 — Baku AZE
8…Bb7 — 0.6% (10 parties)
2003 — Mogranzini, Roberto vs Bellemo, Davide — 1-0 — Bratto ITA
2003 — Vila Fernandez, Miguel vs Campos Soler, Moises — 1-0 — Alzira
2008 — Jurcik, Marian vs Vanhara, Petr — 1-0 — Stare Mesto CZE
2011 — Krca, Milan vs Burianek, Petr — 1-0 — Tatranske Zruby SVK
2012 — Shkuran, Danylo vs Parol, Maciej — 1-0 — Lublin POL