E62p - 5…O-O 6.Bg2 Nc6 7.O-O Bf5 - Fianchetto, Spassky Variation (1955)

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E62p — Fianchetto Spassky Variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O Bf5
Les coups candidats
Ambassadeurs : Westerinen, Heikki M.J. (13x), Grivas, Efstratios (12x), Hvenekilde, Jorgen (11x), Damljanovic, Branko (11x), Rasik, Vitezslav (8x), Murey, Jacob (7x), Bogdanov, Egor (7x), Radovanovic, Mihajlo (6x)
8.b3 — 16.6% (549 parties)
Ambassadeurs : Smirin, Ilia (12x), Grivas, Efstratios (7x), Ruck, Robert (7x), Onoprienko, Vladimir (6x), Rasik, Vitezslav (5x), Reeh, Oliver (4x), Greenfeld, Alon (4x), Zhidkov, Valery S (4x)
8.Ne1 — 14.8% (492 parties)
Ambassadeurs : Smirin, Ilia (7x), Maiwald, Jens-Uwe (6x), Damljanovic, Branko (6x), Kurnosov, Igor (5x), Grivas, Efstratios (5x), Reich, Thomas (5x), Valerga, Diego (4x), Batsuren, Dambasuren (4x)
8.Nh4 — 9.7% (321 parties)
Ambassadeurs : Rojicek, Vojtech (4x), Kiili, Markus (4x), Beinoras, Mindaugas (3x), Savickas, Airidas (3x), Lazic, Zeljko (3x), Karvi, Timo (3x), Chocenka, Dmitrijus (3x), Vizantiadis, Lazaros (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.d5 8.b3 8.Ne1 8.Nh4
<1800 37 32% 11% 3% 32%
1800-2200 785 41% 8% 10% 18%
2200-2600 2122 45% 20% 17% 6%
2600+ 83 25% 34% 29% 1%
Évolution par décennie (% des parties)
Décennie N parties 8.d5 8.b3 8.Ne1 8.Nh4
1950s 6 50% 33% — —
1960s 65 63% 9% 9% 9%
1970s 45 67% 13% 2% 7%
1980s 95 40% 25% 15% 7%
1990s 426 35% 23% 16% 7%
2000s 746 39% 18% 16% 11%
2010s 1632 45% 15% 15% 9%
2020s 302 47% 11% 11% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.d5 45% 47% ▲ +2.0%
8.b3 15% 11% ▼ -4.5%
8.Ne1 15% 11% ▼ -4.1%
8.Nh4 9% 13% ▲ +3.9%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 6 parties
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Karpov, Anatoly — 1 partie
Gukesh D — 1 partie
Parties historiques
8.d5 — 43.0% (1426 parties)
1955 — Lebedev, Boris vs Borisenko, Georgy K — 0-1 — Riga LAT
1956 — Korchnoi, Viktor vs Tolush, Alexander — 1/2-1/2 — Leningrad ch-URS
1957 — Portisch, Lajos vs Kozma, Julius — 1-0 — Reykjavik ol stud tt
1961 — Hoad, PC. vs Tarjan, G. — 1-0 — British ch
1962 — Cuellar Alpire, Mariana vs Fischer, Raphael — 0-1 — Stockholm SWE
8.b3 — 16.6% (549 parties)
1955 — Donner, Jan-Hein vs Spassky, Boris V. — 0-1 — Goteborg SWE
1955 — Najdorf, Miguel vs Spassky, Boris V. — 1-0 — Goteborg SWE
1964 — Zhidkov, Valery S vs Neikirkh, Oleg — 1/2-1/2 — Odessa UKR
1964 — Zhidkov, Valery S vs Onoprienko, Vladimir — 1-0 — UKR-ch Ternopol
1966 — Krogius, Nikolai V vs Gufeld, Eduard — 1/2-1/2 — Tbilisi ch-URS
8.Ne1 — 14.8% (492 parties)
1967 — Korchnoi, Viktor vs Westerinen, Heikki M.J. — 1/2-1/2 — Leningrad RUS
1967 — Barcza, Gedeon vs Westerinen, Heikki M.J. — 1/2-1/2 — Havana CUB
1967 — Portisch, Lajos vs Tal, Mikhail — 1-0 — Moscow RUS
1968 — Osnos, Viatcheslav vs Vladimirov, Boris T — 1-0 — ?
1968 — Jansson, Borje vs Johansson, Martin 1979 — 1/2-1/2 — Norrkoeping
8.Nh4 — 9.7% (321 parties)
1964 — Deslauriers, J. vs Vizantiadis, Lazaros — 0-1 — Tel Aviv ISR
1964 — Vizantiadis, Lazaros vs Westerinen, Heikki M.J. — 0-1 — Tel Aviv ISR
1964 — Sumar, Julio vs Perez Perez, Francisco Jose — 1-0 — Tel Aviv olm
1965 — Korchnoi, Viktor vs Gufeld, Eduard — 1-0 — Tallinn ch-URS
1966 — Johansson, Martin 1979 vs Bobotsov, Milko G — 1/2-1/2 — Olympiad Havana CUB