E63i - 8…Rb8 - Fianchetto, Panno (1955)

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E63i — Fianchetto, Panno (1955)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.h3 Rb8
Les coups candidats
Ambassadeurs : Hebden, Mark L (23x), Arkell, Keith C (11x), Zapata, Alonso (9x), Huebner, Robert (8x), Vaganian, Rafael A (7x), Geller, Efim P. (6x), Portisch, Lajos (5x), Kupreichik, Viktor D (5x)
Ambassadeurs : Zhidkov, Valery S (10x), Ciocaltea, Victor (7x), Marovic, Drazen (7x), Scheipl, Ralf (6x), Rogozenco, Dorian (6x), Hook, William (5x), Korchnoi, Viktor (5x), Kalinitschew, Sergey (5x)
9.a4 — 9.2% (332 parties)
Ambassadeurs : Zuluaga Mancilla, Cesar (5x), Kustar, Sandor (4x), Torres, Juan Camilo (4x), Ivanov, Igor V. (3x), Hlinka, Michal (3x), Polugaevsky, Lev (2x), Lemoine, Claude (2x), Gdanski, Przemyslaw (2x)
9.Bg5 — 5.4% (197 parties)
Ambassadeurs : Smejkal, Jan (8x), Lomer, Edmund (4x), Gunawan, Ronny (3x), Agdestein, Simen (3x), Wojtkiewicz, Aleksander (3x), Lindstedt, Johan (3x), Roselli Mailhe, Bernardo (3x), Yashtylov, Anatolij (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.e4 9.Be3 9.a4 9.Bg5
<1800 72 58% 14% 12% 1%
1800-2200 1188 46% 20% 13% 4%
2200-2600 1918 48% 27% 7% 7%
2600+ 36 78% 17% 3% 3%
Évolution par décennie (% des parties)
Décennie N parties 9.e4 9.Be3 9.a4 9.Bg5
1950s 65 32% 34% 17% —
1960s 82 34% 48% 7% 1%
1970s 170 29% 54% 4% 5%
1980s 388 40% 32% 7% 11%
1990s 712 35% 34% 9% 10%
2000s 887 47% 23% 10% 5%
2010s 1135 61% 13% 9% 2%
2020s 179 59% 10% 15% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.e4 61% 59% ▼ -2.5%
9.Be3 13% 10% ▼ -3.4%
9.a4 9% 15% ▲ +5.8%
9.Bg5 2% 3% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Hou, Yifan — 3 parties
Ju, Wenjun — 2 parties
Ding, Liren — 2 parties
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
9.e4 — 47.5% (1720 parties)
1955 — Larsen, Bent Ravn vs Olafsson, Fridrik — 1-0 — Oslo NOR
1955 — Lilienthal, Andor vs Vasiukov, Evgeni — 0-1 — Moscow RUS
1956 — Larsen, Bent Ravn vs Thorbergsson, Freysteinn — 1/2-1/2 — Copenhagen DEN
1957 — Portisch, Lajos vs Mednis, Edmar J — 0-1 — Reykjavik ol stud tt
1957 — Portisch, Lajos vs Florian, Tibor — 1-0 — HUN-ch Budapest HUN
9.Be3 — 24.8% (897 parties)
1955 — Stahlberg, Gideon vs Panno, Oscar — 1/2-1/2 — Goteborg izt
1955 — Rejfir, Josef vs Dolezal, Jiri — 1/2-1/2 — Prague CZE
1955 — Urbanec, Karel vs Stulik, Vlastimil — 1-0 — Prague CZE
1956 — Caetano, Pedro de Mendonca vs Llorens Rubio, Joan — 0-1 — corr ch-Spain
1956 — Ilivitsky, Georgy A vs Shamkovich, Leonid — 1/2-1/2 — Kislovodsk
9.a4 — 9.2% (332 parties)
1956 — Muehring, Willem vs Platz, Hans — 1/2-1/2 — ?
1956 — Bronstein, David I vs Pilnik, Herman — 1-0 — Amsterdam NED
1956 — Buslaev, Aleksander vs Giorgadze, Tamaz — 1/2-1/2 — Tbilisi GEO
1956 — Polugaevsky, Lev vs Petrosian, Tigran V. — 0-1 — Tbilisi GEO
1957 — Olafsson, Fridrik vs Asmundsson, Ingvar — 1-0 — Reykjavik ISL
9.Bg5 — 5.4% (197 parties)
1967 — Grey, Peter G vs OBrien, Erik Michael — 1/2-1/2 — Sunnyvale
1970 — Suchanov, V vs Makhlin, Mikhail — 1-0 — Moscow RUS
1972 — Larsen, Bent Ravn vs Tukmakov, Vladimir B — 1/2-1/2 — Hastings ENG
1972 — Debarnot, Roberto vs Camara, Helder — 0-1 — Sao Paulo BRA
1977 — Alzate, Javier vs De Greif, Boris — 1/2-1/2 — Medellin ch COL