E63e - 8…Rb8 - Fianchetto, Panno (1956)

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E63e — Fianchetto, Panno (1956)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.b3 Rb8
Les coups candidats
Ambassadeurs : Romanishin, Oleg M (21x), Davies, Nigel R (6x), Zapata, Alonso (6x), Sapis, Witalis (6x), Gruenfeld, Yehuda (6x), Wagner, Dinara (5x), Pfleger, Helmut, Dr. (4x), Burmakin, Vladimir (4x)
Ambassadeurs : Romanishin, Oleg M (21x), Konopka, Michal (21x), Wojtkiewicz, Aleksander (11x), Jirovsky, Milos (9x), Szabolcsi, Janos (9x), Bologan, Victor (8x), Grabarczyk, Miroslaw (7x), Houska, Jovanka (7x)
9.d5 — 18.1% (586 parties)
Ambassadeurs : Lanz Calavia, José María (10x), Allawi Rawlings (9x), Bok, Benjamin (6x), Fritsche, Frank (5x), Hebbering, Tom Elliot (5x), Bodnaruk, Anastasia (5x), Loeffler, Stefan (4x), Maletin, Pavel (4x)
9.a4 — 7.6% (246 parties)
Ambassadeurs : Minev, Nikolay N (2x), Izsak, Gyula (2x), Vadasz, Laszlo (2x), Bratchenko, Alexander (2x), Vrhovnik, Damir (2x), Karner, Hillary (1x), Klovsky, Rafail (1x), Prameshuber, Alexander (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bb2 9.Nd5 9.d5 9.a4
<1800 83 41% 11% 19% 10%
1800-2200 955 37% 24% 21% 10%
2200-2600 1953 31% 35% 18% 6%
2600+ 71 23% 55% 13% —
Évolution par décennie (% des parties)
Décennie N parties 9.Bb2 9.Nd5 9.d5 9.a4
1950s 26 65% — — 27%
1960s 21 76% — 5% 14%
1970s 69 78% 1% 3% 13%
1980s 172 65% 10% 2% 7%
1990s 481 42% 29% 2% 9%
2000s 636 34% 43% 2% 8%
2010s 1423 29% 36% 21% 7%
2020s 415 17% 11% 63% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bb2 29% 17% ▼ -12.3%
9.Nd5 36% 11% ▼ -24.6%
9.d5 21% 63% ▲ +42.1%
9.a4 7% 6% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 6 parties
Karpov, Anatoly — 3 parties
Ding, Liren — 3 parties
Anand, Viswanathan — 1 partie
Parties historiques
9.Bb2 — 34.1% (1105 parties)
1955 — Wexler, Francisco vs Idigoras Guisasola, Gregorio — 1-0 — Buenos Aires ARG
1956 — Evans, Larry vs Richardson, Keith B — 1-0 — Montreal CAN
1956 — Ali, Zak vs Korchnoi, Viktor — 0-1 — Poltava
1956 — Byvshev, Vasily vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad ch-URS
1957 — Bruemmer, Ullrich vs Hartmann, Klaus — 1/2-1/2 — Zittau
9.Nd5 — 30.4% (985 parties)
1972 — Horowitz, Albert Israel vs Byrne, Robert E — 0-1 — New York ch-USA
1985 — Romanishin, Oleg M vs Kantsler, Boris — 1-0 — Frunze KGZ
1985 — Romanishin, Oleg M vs Kantsler, Boris — 1-0 — Frunze KGZ
1985 — Romanishin, Oleg M vs Novak, Ivan — 1-0 — Frunze KGZ
1985 — Romanishin, Oleg M vs Novak Andrej — 1-0 — Frunze KGZ
9.d5 — 18.1% (586 parties)
1969 — Vadasz, Laszlo vs Ribli, Zoltan — 0-1 — Budapest ch-HUN
1970 — Lechtynsky, Jiri vs Pribyl, Josef — 1/2-1/2 — Havirov CZE
1975 — Voiculescu, Paul vs Butnaru, Corneliu — 1/2-1/2 — Sinaia
1982 — Qendro, Llambi vs Ghinda, Mihail-Viorel — 1/2-1/2 — Plovdiv BUL
1986 — Osswald, Dietrich vs Quast, Michael — 0-1 — GER
9.a4 — 7.6% (246 parties)
1956 — Minev, Nikolay N vs Bolbochan, Jacobo — 1/2-1/2 — Moskou olm
1956 — Minev, Nikolay N vs Bolbochan, Julio — 1/2-1/2 — Moscow olm fin-A
1957 — Prameshuber, Alexander vs Kozma, Julius — 1/2-1/2 — Bratislava Bratislava SVK
1957 — Al Husari, Zita Fatima vs Filip, Miroslav — 1/2-1/2 — Bratislava Bratislava SVK
1957 — Blagidze, Alexander vs Kikiani, Tamaz — 0-1 — Tbilisi GEO