D29g - 9.Rd1 Nbd7 - QGA: Classical (1962)

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D29g — QGA: Classical (1962)
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
Les coups candidats
Ambassadeurs : Garcia Palermo, Carlos Horacio (8x), Suetin, Alexey S (5x), Ehlvest, Jaan (5x), Clares Huanca, Danner Saed (5x), Gerusel, Mathias (4x), Nikolic, Predrag (4x), Burmakin, Vladimir (4x), Olafsson, Fridrik (3x)
Ambassadeurs : Krallmann, Matthias (4x), D`Costa, Lorin (3x), Pilnik, Herman (2x), Kakageldyev, Amanmurad (2x), Horak, Jiri (2x), Renman, Nils-Gustaf (2x), Simacek, Pavel (2x), Aditya Mittal (2x)
Ambassadeurs : Korsunsky, Rostislav R (3x), Bazan, Osvaldo (2x), Yurtaev, Leonid (2x), Vera Gonzalez-Quevedo, Reynaldo (2x), Timman, Jan H (2x), Valdes Martin, Luis Enrique (2x), Garcia Palermo, Carlos Horacio (2x), ? (2x)
10.Nbd2 — 1.8% (18 parties)
Ambassadeurs : Beliman, Oliver (1x), Ree, Hans (1x), Khanov, Kurban (1x), Mikenas, Vladas (1x), Kaminsky, Oleg (1x), Ulvestad, Olaf (1x), Suvrajit, Saha (1x), Ganguly, Surya Shekhar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Nc3 10.a4 10.e4 10.Nbd2
<1800 38 74% 11% 3% 8%
1800-2200 249 64% 21% 6% 2%
2200-2600 436 66% 22% 8% 1%
2600+ 16 88% 6% 6% —
Évolution par décennie (% des parties)
Décennie N parties 10.Nc3 10.a4 10.e4 10.Nbd2
1950s 24 54% 33% 4% 4%
1960s 64 83% 6% 6% 3%
1970s 29 69% 24% 7% —
1980s 138 70% 4% 24% —
1990s 283 75% 15% 8% 1%
2000s 251 66% 24% 4% 2%
2010s 149 62% 26% 3% 3%
2020s 45 47% 38% 2% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Nc3 62% 47% ▼ -15.7%
10.a4 26% 38% ▲ +11.6%
10.e4 3% 2% ▼ -1.1%
10.Nbd2 3% 4% ▲ +1.8%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Parties historiques
10.Nc3 — 68.7% (675 parties)
1950 — Bolbochan, Julio vs Devos, Paul — 1-0 — Dubrovnik CRO
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 — Szabo, Laszlo vs Stoltz, Gösta — 1-0 — Stockholm izt
1953 — Horowitz, Albert Israel vs Berliner, Hans — 1-0 — Milwaukee, WI USA
10.a4 — 18.5% (182 parties)
1951 — Novotelnov, Nikolai vs Flohr, Salo — 1-0 — Moskou ch-URS
1952 — Incutto, Carlos vs Bartis, Gustavo — 0-1 — Buenos Aires ARG
1954 — Moskowitz, Jack vs Amand, Harry — 1/2-1/2 — Hollywood
1956 — Porath, Yosef vs Wade, Robert G — 1/2-1/2 — Moscow RUS
1956 — Szilagyi, Gyorgy Laszlo vs Uhlmann, Wolfgang — 1-0 — Marianske Lazne
10.e4 — 7.9% (78 parties)
1954 — Vladimirov, Boris T vs Weltmander, I. — 0-1 — Gorki ch22-SU sf
1961 — Eduardo, Socrates Alfredo vs Bazan, Osvaldo — 0-1 — Buenos Aires ARG
1962 — Schweber, Samuel vs Bazan, Osvaldo — 0-1 — Buenos Aires ARG
1963 — Zelinsky, Yuri vs Klasups, Karlis — 1/2-1/2 — Riga LAT
1967 — Persidsky, Andre vs Golikov, Gordey — 0-1 — cr.
10.Nbd2 — 1.8% (18 parties)
1954 — Kaminsky, Oleg vs Ulvestad, Olaf — 1/2-1/2 — Hollywood
1963 — Khanov, Kurban vs Mikenas, Vladas — 1/2-1/2 — Moscow tt
1965 — Beliman, Oliver vs Ree, Hans — 1/2-1/2 — Groningen NED
1996 — Sahu, Sekhar Chandra vs Hartman, Christer — 1-0 — Wrexham WLS
1998 — Suvrajit, Saha vs Ganguly, Surya Shekhar — 0-1 — Szeged,HUN;August 3rd Thursda