E62m - 7.d5 - Fianchetto (1923)

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E62m — Fianchetto (1923)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.d5
Les coups candidats
7…Na5 — 89.9% (1546 parties)
Ambassadeurs : Seres, Lajos (23x), Donner, Jan-Hein (14x), Jirka, Jiri (9x), Ellers, Holger, Dr. (8x), Zia, Tahsin Tajwar (6x), Westerinen, Heikki M.J. (5x), Hawksworth, John C (5x), Alvarez Marquez, Johann Carlos (5x)
7…Nb8 — 7.3% (125 parties)
Ambassadeurs : Gereben, Erno (3x), Eliskases, Erich (2x), O'Kelly, Albéric de Galway (2x), Troianescu, Octav (2x), Cooke, Zarco (2x), Nguyen, Dang Hong Phuc (2x), Danov, Vladimir (1x), Gasanov, Rasul (1x)
7…Ne5 — 1.7% (30 parties)
Ambassadeurs : Perez Cascella, Julio (2x), Massut, Gabriel (2x), O'Kelly, Albéric de Galway (1x), Tartakower, Savielly (1x), Mitscherling, Reinhard (1x), Piske, Thomas (1x), Prestel, Oliver (1x), Lanz, Udo (1x)
7…Nb4 — 1.0% (18 parties)
Ambassadeurs : Sarosy, Zoltan L (1x), Kustudic, D. (1x), Mandarin, Vitomir (1x), Benoit, Hugues (1x), Verus, Biljana (1x), Dragutinovic, B. (1x), Sidorov, Anatoly (1x), Bajusz, Gyorgy (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Na5 7…Nb8 7…Ne5 7…Nb4
<1800 57 79% 12% 7% 2%
1800-2200 606 85% 11% 3% 1%
2200-2600 785 95% 3% 1% 1%
2600+ 10 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…Na5 7…Nb8 7…Ne5 7…Nb4
1950s 60 73% 25% 2% —
1960s 85 93% 4% 2% 1%
1970s 84 95% 5% — —
1980s 80 99% 1% — —
1990s 329 93% 5% 1% 1%
2000s 350 87% 9% 3% 1%
2010s 409 91% 7% 2% 0%
2020s 322 88% 8% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Na5 91% 88% ▼ -3.1%
7…Nb8 7% 8% ▲ +1.1%
7…Ne5 2% 2% +0.2%
7…Nb4 0% 2% ▲ +1.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Parties historiques
7…Na5 — 89.9% (1546 parties)
1950 — Smyslov, Vasily vs Liublinsky, Victor — 1-0 — Moscow RUS
1950 — Smyslov, Vasily vs Lublinsky, V — 1-0 — USSR-ch18 Moscow
1950 — Levenfish, Grigory vs Ufimtsev, Anatoly — 1-0 — Gorky
1950 — Simagin, Vladimir vs Borisenko, Georgy K — 1-0 — Ch URS (1/2 final), Tula RUS
1950 — Ilivitsky, Georgy A vs Borisenko, Georgy K — 0-1 — URS-ch sf Tula
7…Nb8 — 7.3% (125 parties)
1950 — Milic, Borislav vs Pilnik, Herman — 0-1 — Bled SLO
1950 — Pedersen, Svend vs Nielsen, Julius — 0-1 — Copenhagen DEN
1950 — O'Kelly, Albéric de Galway vs Castaldi, Vincenzo — 1/2-1/2 — Hastings ENG
1951 — Eugenio, Sarah De Oliveira vs Ceccato, Vittorio — 1/2-1/2 — Venice ITA
1951 — Bolbochan, Claudio vs Benko, Francisco — 0-1 — Buenos Aires ARG
7…Ne5 — 1.7% (30 parties)
1953 — O'Kelly, Albéric de Galway vs Tartakower, Savielly — 1-0 — Hastings ENG
1968 — Perez Cascella, Julio vs Massut, Gabriel — 1-0 — ?
1968 — Perez Cascella, Julio vs Massut, Gabriel — 1-0 — Buenos Aires ARG
1996 — Blagojevic, Dragisa vs Popovic, Mladen — 1-0 — Cetinje YUG
1996 — Horvath, Jozsef vs Kaukal, Terezia — 1-0 — Zalakaros open
7…Nb4 — 1.0% (18 parties)
1963 — Sarosy, Zoltan L vs Kustudic, D. — 1-0 — Toronto CAN
1990 — Verus, Biljana vs Dragutinovic, B. — 1-0 — Arandjelovac tt
1993 — Mandarin, Vitomir vs Benoit, Hugues — 1-0 — Paris op Paris FRA
1993 — Sidorov, Anatoly vs Bajusz, Gyorgy — 1-0 — Gyula HUN
1997 — Horvath, Peter vs Sereinig, Eduard — 1/2-1/2 — Feffernitz