E12u - 9.e4 - Petrosian, Kasparov (1982)

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E12u — Petrosian, Kasparov (1982)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Qc2 Nxc3 8.bxc3 c5 8.e4
Les coups candidats
9…Nd7 — 70.4% (667 parties)
Ambassadeurs : Miles, Anthony J (9x), Tiviakov, Sergei (6x), Agathiyan Susil (6x), Van der Sterren, Paul (5x), Adorjan, Andras (5x), Khalifman, Alexander (5x), Bakheet Farag (5x), Raessler, Arndt (5x)
9…Nc6 — 19.8% (188 parties)
Ambassadeurs : Aseev, Konstantin N (6x), Sosonko, Gennadi (5x), Lautier, Joel (5x), Dreev, Aleksey (4x), Krasenkow, Michal (4x), Gavrikov, Viktor (3x), Grischuk, Alexander (3x), Agathiyan Susil (3x)
9…Be7 — 6.3% (60 parties)
Ambassadeurs : Kasparov, Garry (2x), Gheorghiu, Florin (2x), Jussupow, Artur (2x), Wu, Shaobin (1x), Liang, Jinrong (1x), Campos Moreno, Javier B. (1x), Capos (1x), Bohnsack, Ralf (1x)
9…Qc7 — 2.3% (22 parties)
Ambassadeurs : Ehlvest, Jaan (1x), Nijboer, Friso (1x), Paavilainen Matti (1x), Wallsten Jonny (1x), Nemet, Ivan (1x), Partos, Charles (1x), Rubio Mancebon, Pedro Jose (1x), Bibas, David (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Nd7 9…Nc6 9…Be7 9…Qc7
<1800 22 82% 18% — —
1800-2200 313 74% 12% 8% 3%
2200-2600 475 68% 22% 6% 3%
2600+ 38 53% 45% 3% —
Évolution par décennie (% des parties)
Décennie N parties 9…Nd7 9…Nc6 9…Be7 9…Qc7
1980s 142 69% 23% 5% 3%
1990s 99 69% 17% 10% 2%
2000s 262 63% 26% 8% 3%
2010s 314 74% 17% 6% 2%
2020s 131 80% 13% 3% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nd7 74% 80% ▲ +6.6%
9…Nc6 17% 13% ▼ -3.9%
9…Be7 6% 3% ▼ -2.7%
9…Qc7 2% 2% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 2 parties
Parties historiques
9…Nd7 — 70.4% (667 parties)
1982 — Li, Zunian vs Zadrima, Aldo — 1/2-1/2 — Luzern olm
1982 — Hort, Vlastimil vs Miles, Anthony J — 1-0 — Lucerne SUI
1982 — Hort, Vlastimil vs Miles, Anthony J — 1-0 — Lucerne SUI
1982 — Binham, Timothy F. vs Moura, Antonio Jose Brito De — 1-0 — ?
1982 — Kasparov, Garry vs Sosonko, Gennadi — 1/2-1/2 — Luzern olm
9…Nc6 — 19.8% (188 parties)
1980 — Schussler, Harry vs Ornstein, Axel — 0-1 — Stockholm SWE
1981 — Schussler, Harry vs Ornstein, Axel — 1-0 — Reykjavik ISL
1982 — Shamkovich, Leonid vs Morris, Walter — 1/2-1/2 — Gausdal NOR
1982 — Nap, Rowan vs Van der Kooij, Paul — 1-0 — corr Netherlands
1982 — Petrosian, Tigran A. vs Sosonko, Gennadi — 1-0 — Tilburg NED
9…Be7 — 6.3% (60 parties)
1982 — Kasparov, Garry vs Gheorghiu, Florin — 1-0 — Moscow RUS
1982 — Kasparov, Garry vs Gheorghiu, Florin — 1-0 — Moscow RUS
1982 — Jussupow, Artur vs Campos Moreno, Javier B. — 1-0 — Lucerne SUI
1982 — Jussupow, Artur vs Capos — 1-0 — Luzern ol
1983 — Szymczak, Zbigniew vs Lukov, Valentin — 1/2-1/2 — Polanica Zdroj POL
9…Qc7 — 2.3% (22 parties)
1982 — Ehlvest, Jaan vs Nijboer, Friso — 1-0 — EU-ch U20 Groningen NED
1986 — Nemet, Ivan vs Partos, Charles — 0-1 — Basel SUI
1988 — Paavilainen Matti vs Wallsten Jonny — 1-0 — ?
1988 — Rubio Mancebon, Pedro Jose vs Bibas, David — 0-1 — Zalaegerszeg
1992 — Fehmer, Dirk vs ? — 1-0 — NRW-Jugendliga