E62s - 5…O-O 6.Bg2 Nc6 7.O-O Bg4 8.d5 - Fianchetto Simagin

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E62s — Fianchetto Simagin
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O Bg4 8.d5
Les coups candidats
8…Na5 — 75.3% (685 parties)
Ambassadeurs : Taimanov, Mark (10x), Ciocaltea, Victor (9x), Hort, Vlastimil (5x), Westerinen, Heikki M.J. (5x), Kluger, Gyula (4x), Portisch, Lajos (4x), Bilek, Istvan (4x), De Coverly, Roger D (4x)
8…Bxf3 — 22.5% (205 parties)
Ambassadeurs : Villegas, Benito (2x), Capablanca, Jose (2x), Westerinen, Heikki M.J. (2x), Gurgenidze, Bukhuti (2x), Schweber, Samuel (2x), Tolnai, Tibor (2x), Kraidman, Yair (2x), Ibrayev, Nurlan (2x)
8…Ne5 — 1.0% (9 parties)
Ambassadeurs : Euwe, Max (1x), Filip, Miroslav (1x), Hollis, Adrian (1x), Stepak, Yedael (1x), Atanasov, Petko (1x), Peev, Peicho (1x), Lindholm, Pertti (1x), Bartl, Stanislav (1x)
8…Nb8 — 1.0% (9 parties)
Ambassadeurs : Ardeleanu, Alin (2x), Keene, Raymond D (1x), Woodcock, C. (1x), Rotstein, Arkadij (1x), Lauria, Amilcare (1x), Navrotescu, Catalin (1x), Van Antwerpen (1x), Van der By (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Na5 8…Bxf3 8…Ne5 8…Nb8
<1800 10 30% 60% — 10%
1800-2200 131 70% 27% 2% —
2200-2600 575 79% 19% 1% 1%
2600+ 11 91% 9% — —
Évolution par décennie (% des parties)
Décennie N parties 8…Na5 8…Bxf3 8…Ne5 8…Nb8
1930s 4 — 100% — —
1950s 27 56% 41% 4% —
1960s 81 68% 30% 1% 1%
1970s 97 90% 10% — —
1980s 82 80% 18% 1% —
1990s 124 69% 26% 1% 3%
2000s 112 73% 24% 2% 1%
2010s 299 76% 22% 1% 1%
2020s 84 80% 19% — 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Na5 76% 80% ▲ +3.8%
8…Bxf3 22% 19% ▼ -3.0%
8…Ne5 1% 0% ▼ -1.0%
8…Nb8 1% 1% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 3 parties
Ju, Wenjun — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
8…Na5 — 75.3% (685 parties)
1953 — Klasup, Karlis vs Tal, Mikhail — 1-0 — Riga LAT
1954 — Wade, Robert G vs Djurasevic, Bozidar — 1/2-1/2 — Belgrade SRB
1957 — Filip, Marius Liviu vs Unzicker, Wolfgang — 1/2-1/2 — Vienna AUT
1957 — Heinicke, Herbert vs Taimanov, Mark — 0-1 — Wenen etc
1957 — Heinicke, Herbert vs Taimanov, Mark — 0-1 — Vienna AUT
8…Bxf3 — 22.5% (205 parties)
1936 — Capablanca, Jose vs Tylor, Theodore — 1-0 — Nottingham ENG
1936 — Capablanca, Jose vs Tylor, Theodore Henry — 1-0 — Nottingham ENG
1938 — Bolbochan, Julio vs Villegas, Benito — 1-0 — Buenos Aires ARG
1938 — Bolbochan, J. vs Villegas, Benito — 1-0 — Buenos Aires ARG
1954 — Rolland, Pierre vs Mazzoni, Guy — 1-0 — Paris FRA
8…Ne5 — 1.0% (9 parties)
1955 — Euwe, Max vs Filip, Miroslav — 1/2-1/2 — Rotterdam NED
1962 — Hollis, Adrian vs Stepak, Yedael — 1-0 — Marianske Lazne
1983 — Atanasov, Petko vs Peev, Peicho — 1/2-1/2 — Ruse
1998 — Lindholm, Pertti vs Bartl, Stanislav — 1-0 — ICCF
2001 — Podzielny, Karl-Heinz vs Curic, Drazen — 1-0 — Essen-Borbeck GER
8…Nb8 — 1.0% (9 parties)
1968 — Keene, Raymond D vs Woodcock, C. — 1-0 — Univ of London Union
1991 — Van Antwerpen vs Van der By — 1-0 — corr Netherlands
1997 — Navrotescu, Catalin vs Ardeleanu, Alin — 1-0 — Tusnad
1997 — Fancsy, Imre vs Ardeleanu, Alin — 1/2-1/2 — Gyula HUN
1998 — Rotstein, Arkadij vs Lauria, Amilcare — 1-0 — San Benedetto