E12u - 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Qc2 Nxc3 8.bxc3 c5 9.e4 - Petrosian Kasparov

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E12u — Petrosian Kasparov
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 — 70.6% (661 parties)
Ambassadeurs : Miles, Anthony J (9x), Tiviakov, Sergei (6x), Susla, Vitaliy (6x), Van der Sterren, Paul (5x), Adorjan, Andras (5x), Epishin, Vladimir (5x), Farago, Ivan (5x), Enkalo, Mykola (5x)
9…Nc6 — 19.7% (184 parties)
Ambassadeurs : Aseev, Konstantin N (6x), Sosonko, Gennadi (5x), Lautier, Joel (5x), Dreev, Aleksey (4x), Susla, Vitaliy (4x), Krasenkow, Michal (4x), Gavrikov, Viktor (3x), Grischuk, Alexander (3x)
9…Be7 — 6.4% (60 parties)
Ambassadeurs : Kasparov, Garry (2x), Gheorghiu, Florin (2x), Jussupow, Artur (2x), Farago, Ivan (2x), Szymczak, Zbigniew (1x), Lukov, Valentin (1x), Campos Moreno, Javier B. (1x), Capos (1x)
9…Qc7 — 2.2% (21 parties)
Ambassadeurs : Rubio Mancebon, Pedro Jose (1x), Bibas, David (1x), Ehlvest, Jaan (1x), Nijboer, Friso (1x), Paavilainen, T. (1x), Wallsten (1x), Nemet, Ivan (1x), Partos, Charles (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 16 88% 12% — —
1800-2200 215 76% 11% 8% 3%
2200-2600 544 70% 21% 6% 2%
2600+ 43 53% 42% 5% —
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 313 74% 17% 6% 2%
2020s 120 82% 12% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nd7 74% 82% ▲ +8.7%
9…Nc6 17% 12% ▼ -4.9%
9…Be7 6% 3% ▼ -2.4%
9…Qc7 2% 1% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 2 parties
Parties historiques
9…Nd7 — 70.6% (661 parties)
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 — Lucerne SUI
1982 — Li, Zunian vs Zadrima, Aldo — 1/2-1/2 — Lucerne SUI
1982 — Hort, Vlastimil vs Miles, Anthony J — 1-0 — Lucerne SUI
9…Nc6 — 19.7% (184 parties)
1980 — Schussler, Harry vs Ornstein, Axel — 0-1 — Stockholm SWE
1981 — Schussler, Harry vs Ornstein, Axel — 1-0 — Reykjavik ISL
1982 — Browne, Walter Shawn vs Sosonko, Gennadi — 1/2-1/2 — Tilburg NED
1982 — Portisch, Lajos vs Sosonko, Gennadi — 0-1 — Tilburg NED
1982 — Petrosian, Tigran V. vs Sosonko, Gennadi — 1-0 — Tilburg NED
9…Be7 — 6.4% (60 parties)
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
1982 — Kasparov, Garry vs Gheorghiu, Florin — 1-0 — Moscow RUS
1983 — Szymczak, Zbigniew vs Lukov, Valentin — 1/2-1/2 — Polanica Zdroj POL
9…Qc7 — 2.2% (21 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 — Rubio Mancebon, Pedro Jose vs Bibas, David — 0-1 — Zalaegerszeg
1988 — Paavilainen, T. vs Wallsten — 1-0 — corr SF
1992 — Fehmer, Dirk vs Nguyen Thi Ngoc Diep — 1-0 — NRW-Jugendliga