C91a - 9.d4 - Spanish: Closed [+0.16]

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C91a — Spanish: Closed
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4
Eval: [+0.16]
Les coups candidats
Ambassadeurs : Van Riemsdijk, Herman C. (75x), Hebden, Mark L (52x), De Coverly, Roger D (45x), Romanishin, Oleg M (29x), Nijboer, Friso (28x), Beliavsky, Alexander G (25x), Van der Wiel, John T.H. (23x), Tseshkovsky, Vitaly (22x)
9…exd4 — 3.4% (362 parties)
Ambassadeurs : Yates, Frederic D (3x), Bogoljubow, Efim (3x), Asztalos, Lajos (2x), Lasker, Emanuel (2x), Capablanca, Jose (2x), Howell, James C (2x), Harandi, Khosro (2x), Fucek, Claudio (2x)
9…Bb7 — 3.3% (357 parties)
Ambassadeurs : Mahmood Lodhi (6x), Hansen, Berno (4x), Bernard, Ryszard (3x), Lauk, Ular (3x), Pena, Alfredo (3x), Fedoseev, Vladimir (3x), Trois, Francisco R.T. (2x), Lorenz, Oda (2x)
9…Re8 — 1.3% (143 parties)
Ambassadeurs : Lefebr, Vladislav (5x), Poranen, Timo (3x), Maaki, Franti (3x), Akst, Ilia (3x), Turgut, Tansel (3x), Loncarevic, Robert (3x), Blit, Jacques (3x), Ginzburg, Maximiliano (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bg4 9…exd4 9…Bb7 9…Re8
<1800 275 75% 9% 9% 2%
1800-2200 2688 86% 4% 4% 2%
2200-2600 5056 93% 2% 2% 1%
2600+ 325 98% 1% 1% —
Évolution par décennie (% des parties)
Décennie N parties 9…Bg4 9…exd4 9…Bb7 9…Re8
1880s 1 100% — — —
1890s 3 67% — 33% —
1900s 8 62% — 12% —
1910s 13 69% — 15% —
1920s 56 73% 25% 2% —
1930s 24 88% 8% — —
1940s 85 92% 6% 1% —
1950s 159 92% 3% 1% 1%
1960s 347 94% 2% 1% 0%
1970s 577 93% 2% 2% 0%
1980s 800 94% 1% 3% 1%
1990s 1266 87% 3% 5% 2%
2000s 2947 88% 4% 4% 2%
2010s 3865 91% 3% 3% 1%
2020s 575 88% 4% 3% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bg4 91% 88% ▼ -2.7%
9…exd4 3% 4% ▲ +0.8%
9…Bb7 3% 3% +0.4%
9…Re8 1% 2% ▲ +1.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Carlsen, Magnus — 10 parties
Euwe, Max — 8 parties
Ding, Liren — 6 parties
Alekhine, Alexander — 5 parties
Lasker, Emanuel — 4 parties
Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 4 parties
Anand, Viswanathan — 3 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 3 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9…Bg4 — 89.6% (9608 parties)
1889 — Judd, Max vs Baird, John — 1-0 — New York, NY USA
1897 — D Marco, Gianni vs Englisch, Berthold — 1/2-1/2 — Berlin GER
1897 — Suechting, Hugo vs Englisch, Berthold — 1/2-1/2 — Berlin GER
1901 — Olland, Adolf George vs Loman, Rudolf — 1/2-1/2 — Haarlem NED
1904 — Michell, Reginald vs Tattersall, Creassey Edw Cecil — 1-0 — Hastings ENG
9…exd4 — 3.4% (362 parties)
1922 — Simmons William vs Steele, Charles — 1-0 — Melbourne AUS
1922 — Yates, Frederic D vs Bogoljubow, Efim — 1-0 — London ENG
1922 — Capablanca, Jose vs Bogoljubow, Efim — 1-0 — London ENG
1923 — Sapira, Emmanuel vs Horowitz, H. — 1-0 — Ghent
1923 — Yates, Frederic D vs Asztalos, Lajos — 1-0 — ?
9…Bb7 — 3.3% (357 parties)
1899 — Softlaw, Harold Goodlake vs Ellis, Gerald Edward H — 1-0 — British CC
1906 — Maroczy, Geza vs Smith, Magnus — 1-0 — Winnipeg CAN
1911 — Von Balla, Zoltan vs Brody, Miklos — 1-0 — Budapest HUN
1916 — Whitaker, Norman vs Showalter, Jackson — 0-1 — Georgetown
1928 — Price, Edith Charlotte vs Hooke, Alice Elizabeth — 1-0 — Tenby
9…Re8 — 1.3% (143 parties)
1958 — Westerinen, Heikki M.J. vs Maki Uuro, Miika — 1/2-1/2 — Mantta FIN
1969 — Parma, Bruno vs Stupica, Janez — 1/2-1/2 — JUG-24ch Novi Travnik
1972 — Ciric, Dragoljub M vs Mujagic, Ramo — 1/2-1/2 — Novi Sad SRB
1987 — Werner, Clemens vs Sonntag, Hans-Hubert — 1/2-1/2 — BL
1987 — Werner, Clemens vs Sonntag, Hans-Hubert — 1/2-1/2 — BL