E93h - 9…a6 - Petrosian, Main Line (1958)

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E93h — Petrosian, Main Line (1958)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 8.Bg5 h6 9.Bh4 a6
Les coups candidats
10.Nd2 — 73.6% (153 parties)
Ambassadeurs : Fischer, Robert J (3x), Olafsson, Fridrik (2x), Tal, Mikhail (2x), Sokolov, Vladimir (2x), Starck, Bodo (2x), Kochyev, Alexander (2x), Baviera, Manlio (2x), Collins, Casey (2x)
10.O-O — 22.1% (46 parties)
Ambassadeurs : Tal, Mikhail (4x), Fischer, Robert J (2x), Petrosian, Tigran V. (2x), Collins, Casey (2x), Serebrisky, Alexander S (1x), Shianovsky, Vladislav I (1x), Fischer, Kevin R (1x), FISCHER KENNY (1x)
10.b4 — 1.9% (4 parties)
Ambassadeurs : Roelli, Corinne (1x), Choukourova, Mekhriban (1x), Fernandez-Espana Garcia, Marcos (1x), Caneiro Couto, Juan Manuel (1x), Lopez de Turiso Sanchez, Jose Angel (1x), Rottenwoerer, Christoph (1x), Alfimov, Igor (1x), Pajersky, Michal (1x)
10.Qc2 — 1.0% (2 parties)
Ambassadeurs : Besler, Ralf (1x), Adolf, Emilius (1x), Montanana, Juan Carlos (1x), Torres Sanchez, Jose (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Nd2 10.O-O 10.b4 10.Qc2
<1800 4 25% 75% — —
1800-2200 88 74% 20% 3% —
2200-2600 69 87% 13% — —
Évolution par décennie (% des parties)
Décennie N parties 10.Nd2 10.O-O 10.b4 10.Qc2
1950s 15 47% 53% — —
1960s 14 64% 36% — —
1970s 7 100% — — —
1980s 17 82% 18% — —
1990s 57 70% 23% 2% 4%
2000s 62 79% 16% 2% —
2010s 30 70% 23% 7% —
2020s 6 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Nd2 70% 100% ▲ +30.0%
10.O-O 23% 0% ▼ -23.3%
10.b4 7% 0% ▼ -6.7%
10.Qc2 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Parties historiques
10.Nd2 — 73.6% (153 parties)
1959 — Rossetto, Hector vs Bolbochan, Jacobo — 1-0 — Buenos Aires ARG
1959 — Olafsson, Fridrik vs Fischer, Robert J — 0-1 — Zurich SUI
1959 — Olafsson, Fridrik vs Fischer, Robert J — 0-1 — Zurich SUI
1959 — Tal, Mikhail vs Fischer, Robert J — 1-0 — Bled/Zagreb/Belgrade
1959 — Tal, Mikhail vs FISCHER KENNY — 1-0 — Bled SLO
10.O-O — 22.1% (46 parties)
1958 — Neikirkh, Oleg vs Tal, Mikhail — 1/2-1/2 — Portoroz SLO
1958 — De Greif, Boris vs Petrosian, Tigran V. — 1/2-1/2 — Portoroz izt
1959 — Tal, Mikhail vs Fischer, Kevin R — 1-0 — Bled ct
1959 — Tal, Mikhail vs FISCHER KENNY — 1-0 — Zagreb CRO
1959 — Tal, Mikhail vs Fischer, Robert J — 1-0 — Bled/Zagreb/Belgrade
10.b4 — 1.9% (4 parties)
1998 — Roelli, Corinne vs Choukourova, Mekhriban — 0-1 — Mureck AUT
2002 — Fernandez-Espana Garcia, Marcos vs Caneiro Couto, Juan Manuel — 1/2-1/2 — Ferrol ESP
2011 — Lopez de Turiso Sanchez, Jose Angel vs Rottenwoerer, Christoph — 1-0 — Madrid ESP
2011 — Alfimov, Igor vs Pajersky, Michal — 1-0 — Czech Republic
10.Qc2 — 1.0% (2 parties)
1991 — Besler, Ralf vs Adolf, Emilius — 1-0 — Oberschwaben ch-B
1997 — Montanana, Juan Carlos vs Torres Sanchez, Jose — 0-1 — ESP