B34s - 8…Ng8 - Accelerated Fianchetto, Modern (1912)

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B34s — Accelerated Fianchetto, Modern (1912)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Nxc6 bxc6 8.e5 Ng8
Les coups candidats
9.Bd4 — 49.7% (1304 parties)
Ambassadeurs : Certek, Pavel (8x), Kyc, Jerzy (7x), Baumbach, Friedrich, Dr. (6x), Pirc, Vasja (5x), Dueckstein, Andreas (5x), Medunova, Vera (5x), Quizon, Daniel (5x), Girya, Olga (4x)
9.f4 — 49.1% (1287 parties)
Ambassadeurs : Pieri, Filippo (5x), Knoppert, Erik (5x), ? (4x), Schaefer, Anke (4x), Faulks, Nick (4x), Kutynec, Vladimir (4x), Ostojic, Predrag (3x), Fichtl, Jiri (3x)
9.Bf4 — 0.5% (14 parties)
Ambassadeurs : Bolduc, Steve (1x), Ivanov, Igor V. (1x), Krstevski, Sasko (1x), Arias, Jorge (1x), Gueth, Andreas (1x), Brethauer, Sarah (1x), Mkrtchian, Lilit (1x), Nguyen, Thi Tuong Van (1x)
9.Bc4 — 0.3% (8 parties)
Ambassadeurs : Cirabisi, Federico (1x), Capece, Adolivio (1x), Blokhin, Andrew J. (1x), Chandler, Joseph H (1x), Farran Martos, Francesco Xavier (1x), Vila Gazquez, Xavier (1x), Sergeev, Vladimir Sergeevich (1x), Isaev, Anatoly Nikolaevich (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bd4 9.f4 9.Bf4 9.Bc4
<1800 235 44% 55% — 0%
1800-2200 1284 46% 52% 1% 0%
2200-2600 749 61% 38% 1% 0%
2600+ 14 64% 36% — —
Évolution par décennie (% des parties)
Décennie N parties 9.Bd4 9.f4 9.Bf4 9.Bc4
1950s 42 57% 43% — —
1960s 86 52% 48% — —
1970s 55 65% 33% — —
1980s 38 37% 58% 3% 3%
1990s 297 34% 64% 1% 0%
2000s 680 45% 53% 1% 0%
2010s 965 49% 50% 0% 0%
2020s 460 67% 33% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bd4 49% 67% ▲ +18.1%
9.f4 50% 33% ▼ -17.8%
9.Bf4 0% 0% -0.3%
9.Bc4 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
9.Bd4 — 49.7% (1304 parties)
1952 — Bisguier, Arthur Bernard vs Geller, Efim P. — 1/2-1/2 — Helsinki FIN
1954 — Platz, Hans vs Koch, Berthold — 1/2-1/2 — Meerane
1955 — Ivkov, Borislav vs Pachman, Ludek — 1-0 — Buenos Aires ARG
1955 — Ivkov, Borislav vs Pachman, Ludek — 1-0 — Buenos Aires ARG
1955 — Barta, Jan vs Sabata, Miroslav — 1-0 — Prague CZE
9.f4 — 49.1% (1287 parties)
1950 — Aronin, Lev vs Geller, Efim P. — 0-1 — Moskou ch-URS
1951 — Ivkov, Borislav vs Puc, Stojan — 0-1 — Sarajevo BIH
1951 — Suetin, Alexey S vs Simagin, Vladimir — 1-0 — Tbilisi GEO
1953 — Fichtl, Jiri vs Sajtar, Jaroslav — 1-0 — Prague CZE
1954 — Tyroler vs Partos, Charles — 1-0 — RUM ch sf
9.Bf4 — 0.5% (14 parties)
1988 — Bolduc, Steve vs Ivanov, Igor V. — 0-1 — Quebec Invitational
1995 — Krstevski, Sasko vs Arias, Jorge — 1/2-1/2 — Halle wch-jr
1998 — Gueth, Andreas vs Brethauer, Sarah — 1-0 — Oberhof
1998 — Mkrtchian, Lilit vs Nguyen, Thi Tuong Van — 1-0 — Elista RUS
1999 — Ginsburg, Gennadi vs Becker, Michael — 1/2-1/2 — Pfalz
9.Bc4 — 0.3% (8 parties)
1989 — Cirabisi, Federico vs Capece, Adolivio — 0-1 — Celle Ligure
1995 — Blokhin, Andrew J. vs Chandler, Joseph H — 1-0 — ?
2002 — Farran Martos, Francesco Xavier vs Vila Gazquez, Xavier — 0-1 — Barcelona ESP
2002 — Sergeev, Vladimir Sergeevich vs Isaev, Anatoly Nikolaevich — 0-1 — RCCA
2005 — Bennion, David vs Flynn, Jamie — 1-0 — Cork IRL