C87h - 8.d3 - Closed, Averbakh (1904)

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C87h — Closed, Averbakh (1904)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 Bg4 8.d3
Les coups candidats
8…O-O — 46.6% (295 parties)
Ambassadeurs : Petrosian, Arshak B (16x), Romanishin, Oleg M (9x), Doppelhammer, Herbert (4x), Mikhalchishin, Adrian (3x), Zapata, Alonso (3x), Campos Lopez, Mario (3x), Aronian, Levon (3x), Kontra, Miroslav (3x)
8…Nd7 — 38.1% (241 parties)
Ambassadeurs : Romanishin, Oleg M (13x), Mayorau, Mikita (10x), Adams, Michael (9x), Harikrishna, Pentala (6x), Hector, Jonny (5x), Morschel, Dieter T (4x), Susovic, Hrvoje (4x), Kulovana, Eva (3x)
8…Qd7 — 8.7% (55 parties)
Ambassadeurs : Jenkins, David M (3x), Garcia Sanchez , Miguel Alejandr (2x), Palciauskas, Victor V (2x), Malis, Jiri (2x), Krabbe, Tim (2x), Pogats, Jozsef Jr. (1x), Barczay, Laszlo (1x), Parma, Bruno (1x)
8…b5 — 5.1% (32 parties)
Ambassadeurs : Pogats, Jozsef Jr. (1x), Kovacs, Marcell (1x), Besztercsenyi, Tibor (1x), Kovacs, Laszlo (1x), Dubinsky, Alexander (1x), Bakulin, Nikolac I (1x), Meinhardt, Ernst (1x), Brunk, Kurt (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Nd7 8…Qd7 8…b5
<1800 46 61% 15% 4% 20%
1800-2200 187 63% 20% 9% 6%
2200-2600 249 34% 60% 4% 2%
2600+ 38 18% 82% — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Nd7 8…Qd7 8…b5
1950s 6 50% 50% — —
1960s 30 17% 23% 50% 10%
1970s 27 85% 7% 7% —
1980s 36 58% 8% 28% —
1990s 57 53% 25% 16% 5%
2000s 192 45% 43% 6% 5%
2010s 236 42% 46% 3% 7%
2020s 49 53% 45% — 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 42% 53% ▲ +10.7%
8…Nd7 46% 45% ▼ -0.9%
8…Qd7 3% 0% ▼ -3.4%
8…b5 7% 2% ▼ -4.7%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Parties historiques
8…O-O — 46.6% (295 parties)
1950 — Herrmann, Ludwig vs Elstner, Rudolf — 0-1 — Soemmerda GER
1956 — Smith, Kenneth vs Fischheimer, Daniel — 0-1 — Oklahoma City, OK USA
1957 — Nilsson, Zandor vs Fridh, Anton — 1-0 — Stockholm SWE
1961 — Pilnik, Herman vs Vivanco, Felipe — 1-0 — Santiago de Chile
1963 — Scholl, Eddie C vs Moe, Mogens — 1-0 — Vrnjacka Banja SRB
8…Nd7 — 38.1% (241 parties)
1950 — Scherbakov, Lev vs Estrin, Yakov — 0-1 — Ch Moscow Moscow RUS
1950 — Salov, Vitaly V. vs Estrin, Yakov — 0-1 — Moscow RUS
1952 — Shumakher, A vs Ragozin, Viacheslav — 0-1 — USSR ch-02 5255
1961 — A Aman vs Bondarevsky, Igor — 0-1 — ?
1962 — Ivkov, Borislav vs Spassky, Boris Vasily — 1/2-1/2 — Havana CUB
8…Qd7 — 8.7% (55 parties)
1962 — Calvo José Minguez, Ricardo vs Bernhardt, Rolf — 1/2-1/2 — Zurich SUI
1962 — Pelitov, Dimitar vs Minev, Nikolay N — 0-1 — Sofia BUL
1962 — Szily, Jozsef vs Szollosi, Laszlo Sr — 1/2-1/2 — Budapest HUN
1962 — Mazzoni, Guy vs Rolland, Pierre — 0-1 — Paris FRA
1962 — Franco, Sigifredo vs Kolvig, Bent — 0-1 — Copenhagen DEN
8…b5 — 5.1% (32 parties)
1963 — Pogats, Jozsef Jr. vs Kovacs, Marcell — 1-0 — Budapest HUN
1963 — Dubinsky, Alexander vs Bakulin, Nikolac I — 1/2-1/2 — Moscow RUS
1966 — Besztercsenyi, Tibor vs Kovacs, Laszlo — 1-0 — Budapest HUN
1995 — Sheredina, Anna vs Dobrotin, Aleksandr E. — 0-1 — Moscow-ch op
1996 — Meinhardt, Ernst vs Brunk, Kurt — 1/2-1/2 — ?