C86k - 6…b5 7.Bb3 O-O 8.c3 d5 9.d3 - Worrall Attack

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C86k — Worrall Attack
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 d5 9.d3
Eval: [-0.19]
Les coups candidats
Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (6x), Tiviakov, Sergei (6x), Short, Nigel D (6x), Munguntuul, Batkhuyag (5x), Barlov, Dragan (4x), Bokros, Albert (4x), Matikozian, Andranik (4x), De Groote, Ewoud (4x)
9…Re8 — 24.1% (344 parties)
Ambassadeurs : Tiviakov, Sergei (4x), Adams, Michael (4x), Da Silva Filho, Alcindo Luz Bastos (4x), Yamaliev, Vil Usbekovich (3x), Sidenko, Anatoly Viktorovich (3x), Monnisha G K (3x), Siefring, Carl L (3x), Bisguier, Arthur B (2x)
9…d4 — 15.2% (217 parties)
Ambassadeurs : Tiviakov, Sergei (5x), Baron Rodriguez, Jesus (4x), Lilienthal, Andor (3x), Keres, Paul (3x), Steiner, Herman (3x), Euwe, Max (3x), Zuidema, Coen (3x), Bernstein, Sidney (3x)
9…Bg4 — 10.5% (150 parties)
Ambassadeurs : De Coverly, Roger D (4x), Moody, David W (4x), Vass, Viktor (4x), Lengyel, Bela (3x), Pacey, Kevin (2x), Petras, Mike (2x), Semenova, Irina (2x), Bakiev, Diyor (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bb7 9…Re8 9…d4 9…Bg4
<1800 19 47% 26% — 5%
1800-2200 394 31% 26% 10% 15%
2200-2600 683 41% 25% 13% 6%
2600+ 38 45% 21% 21% —
Évolution par décennie (% des parties)
Décennie N parties 9…Bb7 9…Re8 9…d4 9…Bg4
1910s 1 — — — —
1920s 1 — — 100% —
1930s 2 — — — 50%
1940s 23 9% — 52% 30%
1950s 48 6% 4% 58% 15%
1960s 50 — 14% 38% 28%
1970s 35 23% 29% 17% 14%
1980s 68 29% 32% 7% 21%
1990s 279 33% 25% 21% 13%
2000s 332 36% 28% 14% 11%
2010s 516 42% 24% 7% 5%
2020s 72 35% 24% 6% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bb7 42% 35% ▼ -7.7%
9…Re8 24% 24% ▼ -0.6%
9…d4 7% 6% ▼ -1.8%
9…Bg4 5% 6% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 4 parties
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
9…Bb7 — 34.1% (487 parties)
1947 — Niephaus, Walter vs Schmidt, Paul Felix — 0-1 — Kassel
1948 — Koshnitsky, Gregory vs Brask Sven — 1-0 — ?
1952 — Keres, Paul vs Geller, Efim P. — 1-0 — Budapest HUN
1954 — Rivise, Irving vs Madrid, Brixe Xander Navacilia — 1-0 — Los Angeles, CA USA
1958 — Kadrev, Zdravko vs Daskalov, Georgi — 1-0 — Sofia BUL
9…Re8 — 24.1% (344 parties)
1952 — Keres, Paul vs Geller, Efim P. — 1-0 — Budapest HUN
1959 — Pelikán, Jiří vs Garcia Rodriguez, Raimundo — 0-1 — Quilmes
1962 — Bisguier, Arthur B vs Geller, Efim P. — 0-1 — Stockholm izt
1964 — Rehe, Octavio David vs Baad Schmidt, Noah — 1-0 — cr.
1964 — Flatau, Leo vs Stern, Dieter — 1/2-1/2 — FRG-ch09 corr6467
9…d4 — 15.2% (217 parties)
1923 — Thoenes vs Guntzer Vetter, Thomas — 1-0 — Frankfurt GER
1942 — Jeremiah F Donovan vs Bernstein, Sidney — 0-1 — Ventnor City, NJ, USA
1942 — Donovan, Jeremiah vs Bernstein, Sidney — 0-1 — Ventnor City
1946 — Bellod Thomas, Gonzalo vs Lupi, Francisco — 0-1 — London ENG
1946 — Seidman, Herbert vs Shipman, Walter — 1-0 — Pittsburgh
9…Bg4 — 10.5% (150 parties)
1936 — Kashdan, Isaac vs Hanauer, Milton Loeb — 0-1 — USA-ch New York, NY USA
1943 — Keres, Paul Petrovich vs Abalde Perez, Fernando Jose — 1-0 — It Madrid ESP
1944 — Caballero Gallego, Luis vs Medina-Garcia, Antonio — 0-1 — Gijon
1946 — Krautheim, Fritz vs Riedmiller, Max — 0-1 — Augsburg GER
1948 — Shipman, Walter vs Almgren, Sven — 1-0 — South Fallsburg ch-USA