E39e - 6…Na6 - Classical, Pirc (1947)

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E39e — Classical, Pirc (1947)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6
Les coups candidats
Ambassadeurs : Allawi Rawlings (50x), Kopasov, Evgeny (32x), Bobel, Philippe (16x), Morcin, Tom (15x), Annakov, Babakuli (13x), Boensch, Uwe (13x), Vera Gonzalez-Quevedo, Reynaldo (13x), Fridman, Daniel (12x)
Ambassadeurs : Kaposztas, Miklos (5x), Koskela, Niina (4x), Kasznia, Ireneusz (4x), Keller-Hermann, Edith (3x), Gipslis, Aivars (3x), Berkovich, Dmitry (3x), Dive, Russell John (3x), Horvath, Csaba (3x)
Ambassadeurs : Haik, Aldo (8x), Jacimovic, Dragoljub (6x), Toth, Bela (4x), Finegold, Benjamin (4x), Tal, Mikhail (3x), Bagirov, Vladimir (3x), Polugaevsky, Lev (3x), Foisor, Sabina-Francesca (3x)
7.e3 — 7.2% (220 parties)
Ambassadeurs : Knezevic, Milorad (17x), Sakalauskas, Vaidas (7x), Ivkov, Borislav (5x), Timoscenko, Gennadij (5x), Romanishin, Oleg M (3x), Andersson, Ulf (3x), Wunderlich, Chris (3x), Michenka, Jozef (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.g3 7.a3 7.Bd2 7.e3
<1800 88 48% 20% 11% 5%
1800-2200 809 53% 23% 9% 5%
2200-2600 1703 59% 17% 9% 7%
2600+ 141 70% 7% 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 7.g3 7.a3 7.Bd2 7.e3
1950s 53 9% 40% 19% 26%
1960s 47 9% 32% 30% 23%
1970s 47 — 32% 38% 30%
1980s 131 19% 24% 31% 15%
1990s 403 41% 29% 12% 10%
2000s 503 23% 36% 16% 13%
2010s 1468 72% 11% 5% 3%
2020s 393 72% 11% 7% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.g3 72% 72% -0.1%
7.a3 11% 11% -0.0%
7.Bd2 5% 7% ▲ +2.5%
7.e3 3% 4% ▲ +1.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Tal, Mikhail — 4 parties
Ju, Wenjun — 3 parties
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.g3 — 54.4% (1658 parties)
1951 — Almiron, Martin Alejandro vs Cordaro, J — 1-0 — Santiago de Chile
1951 — Horowitz, Albert Israel vs Lopez Masis, Kenard Evans — 0-1 — New York, NY USA
1951 — Horowitz, Albert Israel vs Evans, Larry — 0-1 — New York, NY USA
1954 — Wade, Robert G vs Keres, Paul — 0-1 — London ENG
1956 — Endzelins, Lucius vs Borsony, Valt — 1-0 — ICCF
7.a3 — 19.2% (585 parties)
1950 — Keller-Hermann, Edith vs Heemskerk, Fenny — 1-0 — Moscow RUS
1950 — Golombek, Harry vs Pirc, Vasja — 0-1 — Amsterdam NED
1950 — Keller-Hermann, Edith vs Rudenko, Ludmila — 1/2-1/2 — Moscow RUS
1950 — Giustolisi, Alberto vs Eken, Max — 0-1 — Lucerne SUI
1950 — Golombek, Harry vs Pirc, Vasja — 0-1 — Amsterdam NED
7.Bd2 — 10.1% (308 parties)
1950 — Rapaka Samuel Paul vs Eken, Max — 1/2-1/2 — Amsterdam NED
1950 — Szilagyi, Gyorgy Laszlo vs Benko, Pal — 0-1 — Budapest HUN
1950 — Eros, Plata vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1950 — Flohr, Salo vs Miguel, Nahuel — 1/2-1/2 — Budapest HUN
1952 — Kottnauer, Cenek vs Keres, Paul — 1/2-1/2 — Budapest HUN
7.e3 — 7.2% (220 parties)
1952 — Knothe, Karl vs Schlieder, Rolf — 0-1 — Binz GER
1952 — Miguel, Nahuel vs Keres, Paul Petrovich — 1/2-1/2 — Helsinki FIN
1953 — Rosa e Silva Neto, Francisco de Assis vs Gligoric, Svetozar — 1/2-1/2 — Rio de Janeiro BRA
1954 — Wade, Robert G vs Pirc, Vasja — 1/2-1/2 — Belgrade SRB
1954 — Flohr, Salo vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS