E92n - 7.d5 - Petrosian Variation (1949)

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E92n — Petrosian System
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5
Les coups candidats
Ambassadeurs : Naumkin, Igor (81x), Danner, Georg (76x), Huss, Andreas (56x), Franco Ocampos, Zenon (32x), Lugovoi, Aleksei (29x), Zvjaginsev, Vadim (27x), Kolanek, Roman (27x), Khenkin, Igor (27x)
Ambassadeurs : Huss, Andreas (17x), Sveinsson, Jon Arni (15x), Gligorić, Svetozar (13x), Hort, Vlastimil (13x), Baviera, Manlio (10x), Capoccia, Angelo Antonio (10x), Bianchi, Maurizio (9x), Olivieri Luigi (9x)
7…Na6 — 8.2% (1369 parties)
Ambassadeurs : Hebden, Mark L (14x), Danner, Georg (13x), Naumkin, Igor (8x), Byrne, Ray (6x), Polak, Tomas (6x), Mrva, Martin (6x), Barton, Dave (6x), Iniyan, Pa (6x)
7…Nh5 — 2.7% (446 parties)
Ambassadeurs : Petrosian, Tigran V. (5x), Geller, Efim P. (3x), Gufeld, Eduard (3x), Petrosian, Tigran A. (3x), Cuellar Gacharna, Miguel (3x), Szabo, Ladislav (3x), Sheldon, Ruth (3x), Gavin Roche, Enrique (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…a5 7…Nbd7 7…Na6 7…Nh5
<1800 496 49% 30% 6% 4%
1800-2200 5443 61% 22% 7% 3%
2200-2600 7098 73% 12% 10% 2%
2600+ 153 78% 10% 10% 1%
Évolution par décennie (% des parties)
Décennie N parties 7…a5 7…Nbd7 7…Na6 7…Nh5
1920s 2 50% — — —
1940s 4 — 50% — 25%
1950s 105 6% 46% 16% 19%
1960s 439 16% 49% 10% 11%
1970s 412 40% 44% 3% 3%
1980s 699 56% 33% 3% 2%
1990s 4237 63% 20% 8% 2%
2000s 4388 60% 22% 10% 3%
2010s 5135 70% 14% 8% 3%
2020s 1191 76% 11% 8% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…a5 70% 76% ▲ +6.8%
7…Nbd7 14% 11% ▼ -3.2%
7…Na6 8% 8% -0.2%
7…Nh5 3% 1% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Smyslov, Vladimir — 6 parties
Euwe, Max — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 2 parties
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
7…a5 — 62.6% (10395 parties)
1923 — Grondman, J. vs Euwe, Max — 0-1 — Amsterdam NED
1955 — Franz, Joachim vs Eising, Johannes — 1/2-1/2 — Zittau GER
1955 — Makarczyk, Kazimierz vs Alster, Ladislav — 1/2-1/2 — Prague tm Prague CZE
1957 — Simagin, Vladimir vs Ilivitsky, Georgy A — 1/2-1/2 — Sverdlovsk
1958 — Pachman, Ludek vs Reshevsky, Samuel — 0-1 — Munchen olm
7…Nbd7 — 20.3% (3369 parties)
1949 — Petrosian, Tigran V. vs Geller, Efim P. — 0-1 — Moscow ch-SU
1949 — Petrosian, Tigran A. vs Geller, Efim P. — 0-1 — Moskou ch-URS
1950 — Szabo, Laszlo vs Najdorf, Miguel — 0-1 — Budapest HUN
1951 — Kapu, Jeno vs Kluger, Gyula — 1/2-1/2 — Hungary ch
1951 — Zhukhovitsky, Samuel vs Kotlerman, S. — 0-1 — Baku AZE
7…Na6 — 8.2% (1369 parties)
1958 — Filip, Miroslav vs Matanovic, Aleksandar — 0-1 — Munchen olm
1958 — Larsen, Benjamin Holsko vs Gligoric, Sofija — 0-1 — Portoroz SLO
1959 — Nei, Iivo vs Stein, Leonid — 0-1 — Tallinn EST
1959 — Tal, Mikhail vs Vasiukov, Evgeni — 1/2-1/2 — Moscow RUS
1959 — Spektor, Igor vs Ruban, Vadim — 1-0 — Riga LAT
7…Nh5 — 2.7% (446 parties)
1949 — Lilienthal, Andor vs Geller, Efim P. — 1-0 — Moskou ch-URS
1950 — Arlamowski, Lara vs Szabo, Ladislav — 0-1 — Schiavno Zdroj
1950 — Szabo, Ladislav vs Boleslavsky, Isaac — 0-1 — Budapest ct
1951 — Pasman, Arun vs Tal, Mikhail — 1-0 — Riga LAT
1951 — Petrosian, Tigran V. vs Geller, Efim P. — 1/2-1/2 — USSR