D29j - 9.Rd1 Nbd7 10.Nc3 - QGA: Classical (1911)

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D29j — QGA: Classical (1911)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 9.Rd1 Nbd7 10.Nc3
Les coups candidats
Ambassadeurs : Ibragimov, Ildar (7x), Aditya Pola (4x), Hoi, Carsten (4x), Clarke, Peter (3x), Pavlovic, Milos (3x), Olafsson, Fridrik (2x), Neronsky (2x), Palacios de la Prida, Ernesto (2x)
Ambassadeurs : Suetin, Alexey S (5x), Bialas, Wolfram (4x), Penrose, Justin (3x), Wichmann, Cliff (3x), Guliyev, Namig (3x), Pomar Salamanca, Arturo (2x), Ujtelky, Maximilián Samuel Rudolf (2x), Rapaka Samuel Paul (2x)
Ambassadeurs : Yakovich, Yuri (6x), Varga, Zoltan (6x), Jonkman, Harmen (6x), Estrada Nieto, Julian (4x), Nikolic, Predrag (4x), Garcia Palermo, Carlos Horacio (4x), Slipak, Sergio (4x), Hoi, Carsten (4x)
Ambassadeurs : Schrancz, Istvan (4x), Dobrovolsky, Ladislav (3x), Rotstein, Jefim (2x), Rostovtsev, Yuri (2x), Lombardy, William J (2x), Drozd, Robert (2x), Chas, Jerome (2x), Suetin, Alexey S (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Qb8 10…Qc7 10…Qb6 10…Bd6
<1800 51 43% 29% 18% 2%
1800-2200 405 36% 26% 20% 6%
2200-2600 798 34% 25% 26% 6%
2600+ 31 42% 19% 26% 3%
Évolution par décennie (% des parties)
Décennie N parties 10…Qb8 10…Qc7 10…Qb6 10…Bd6
1950s 42 — 36% 19% 2%
1960s 104 49% 18% 4% 22%
1970s 40 38% 30% 8% 12%
1980s 164 38% 16% 25% 14%
1990s 395 28% 21% 37% 7%
2000s 422 43% 24% 21% 4%
2010s 350 37% 29% 17% 5%
2020s 105 27% 33% 13% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Qb8 37% 27% ▼ -10.2%
10…Qc7 29% 33% ▲ +4.2%
10…Qb6 17% 13% ▼ -3.5%
10…Bd6 5% 5% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
10…Qb8 — 35.7% (579 parties)
1961 — Savon, Vladimir vs Kots, Yuri I — 1-0 — Baku ch-URS
1962 — Olafsson, Fridrik vs Balcerowski, Witold — 1/2-1/2 — Varna olm
1962 — Lustin, Vitaly vs Mikhael Jose Tomson — 1-0 — ?
1962 — Mikhalchishin, Adrian vs Ugrinovic, Dragan — 1/2-1/2 — Skopje ch17-YUG
1962 — Ojanen, Kaarle S vs Olafsson, Fridrik — 1/2-1/2 — Varna BUL
10…Qc7 — 24.1% (391 parties)
1950 — Winter, William vs Newman, Richard — 1-0 — Buxton
1950 — Platz, Hans vs Herrmann, Ludwig — 1-0 — Soemmerda GER
1951 — Miguel, Nahuel vs Byrne, Robert E — 1/2-1/2 — New York, NY USA
1951 — Evans, Larry vs Byrne, Robert E — 1-0 — New York, NY USA
1952 — Rapaka Samuel Paul vs Lasker, Edward — 1-0 — Havana CUB
10…Qb6 — 22.5% (365 parties)
1952 — Porrecca, Giorgio vs Lokvenc, Josef — 1/2-1/2 — Helsinki FIN
1952 — Rapaka Samuel Paul vs Miguel, Nahuel — 1-0 — New York, NY USA
1952 — Rapaka Samuel Paul vs Miguel, Nahuel — 1/2-1/2 — New York, NY USA
1952 — Rapaka Samuel Paul vs Miguel, Nahuel — 1-0 — San Salvador ESA
1953 — Horowitz, Albert Israel vs Berliner, Hans — 1-0 — Milwaukee, WI USA
10…Bd6 — 7.2% (117 parties)
1959 — Petrosian, Tigran V. vs Smyslov, Vasily — 0-1 — Bled ct
1960 — Cherepkov, Alexander V vs Simagin, Vladimir — 1/2-1/2 — Vilnius LTU
1960 — Sapre, Ramchandra vs Cobo Arteaga, Eldis — 0-1 — Leipzig GER
1960 — Wexler, Bernardo vs Olafsson, Fridrik — 1/2-1/2 — Buenos Aires ARG
1960 — Bowen, Alfred William vs Clarke, Peter — 1-0 — Paignton