B35c - 7…Qa5 8.O-O O-O - Accelerated Fianchetto, Modern (1960)

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B35c — Accelerated Fianchetto, Modern (1960)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.O-O O-O
Les coups candidats
Ambassadeurs : Baumbach, Friedrich, Dr. (20x), Kagan, Shimon (12x), Giorgadze, Tamaz (9x), Bellon Lopez, Juan Manuel (9x), Toma, Katarzyna (8x), Klovans, Janis (7x), Kapengut, Albert (6x), Abramov, Roman (6x)
9.Nb3 — 25.8% (1264 parties)
Ambassadeurs : Baumbach, Friedrich, Dr. (12x), Toran Albero, Roman (7x), Bednarski, Jacek (6x), Kupreichik, Viktor D (4x), Neubert, Gerhard (4x), Aaron Sanju Thomas (4x), Reyes La Rosa, Juan (4x), Westerinen, Heikki M.J. (3x)
9.h3 — 5.7% (279 parties)
Ambassadeurs : Volkmann, Friedrich Karl (2x), Volak, Simon (2x), Goerlach, Hanna (2x), Paoli, Enrico (1x), Schneiders, Albert (1x), Payrhuber, Klaus (1x), Vujacic, Borivoje (1x), Tiemann, Christoph (1x)
9.a3 — 1.8% (90 parties)
Ambassadeurs : Weissmann, Joerg (2x), Schmied, Andreas (2x), Zwick, Georg (2x), Sotter-Klundt, Gerlinde (1x), Del Cid, Lauren Gabriella (1x), Maelger, Hans Juergen (1x), Frydendal, Odd (1x), Gloor, Markus (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bb3 9.Nb3 9.h3 9.a3
<1800 306 56% 20% 7% 4%
1800-2200 2134 62% 23% 6% 2%
2200-2600 1702 63% 27% 5% 0%
2600+ 57 70% 25% 4% —
Évolution par décennie (% des parties)
Décennie N parties 9.Bb3 9.Nb3 9.h3 9.a3
1960s 223 67% 21% 8% —
1970s 326 53% 42% 2% —
1980s 170 49% 45% 2% 1%
1990s 635 51% 29% 6% 4%
2000s 1375 55% 30% 6% 2%
2010s 1812 67% 20% 5% 2%
2020s 360 69% 13% 12% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bb3 67% 69% ▲ +2.4%
9.Nb3 20% 13% ▼ -6.8%
9.h3 5% 12% ▲ +6.5%
9.a3 2% 1% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 1 partie
Parties historiques
9.Bb3 — 60.2% (2949 parties)
1960 — Spassky, Boris V. vs Gurgenidze, Bukhuti — 1-0 — Leningrad ch-URS
1960 — Pustina, Ylvi vs Padevsky, Nikola — 1-0 — Varna Varna BUL
1960 — Sakharov, Yuri N vs Zimin, Yuri A — 1/2-1/2 — Kiev UKR
1961 — Ben Rehouma, Hachemi vs Jakobsen, Ole — 0-1 — Helsinki FIN
1961 — Lalith Visakan vs Velimirovic, Dragoljub — 0-1 — Belgrade SRB
9.Nb3 — 25.8% (1264 parties)
1960 — Kofman, Abram R vs Gufeld, Eduard — 1-0 — Kiev UKR
1961 — Mohrlok, Dieter vs Pesch, Hans — 1-0 — Bad Pyrmont GER
1962 — Djurasevic, Bozidar vs Afizov, Marsel — 1-0 — Marianske Lazne
1962 — Padevsky, Nikola vs Stefanov, Josif Jovchev — 1-0 — Sofia BUL
1962 — Pietzsch, Wolfgang vs Baumbach, Friedrich, Dr. — 1-0 — Gera GER
9.h3 — 5.7% (279 parties)
1964 — Ciocaltea, Victor vs Averbakh, Yuri L — 1/2-1/2 — Kislovodsk
1964 — Lepeshkin, Vladimir vs De Santana, Adolfo Wanier Gomes — 1-0 — URS
1964 — Maedler, Juergen, Dr. vs Baumbach, Friedrich, Dr. — 1/2-1/2 — DDR-ch 14th Magdeburg GER
1964 — Alexander Tadala vs Parma, Bruno — 0-1 — Polanica Zdroj POL
1964 — Schoeneberg, Manfred vs Landgraf, Siegfried — 0-1 — Leipzig GER
9.a3 — 1.8% (90 parties)
1984 — Sotter-Klundt, Gerlinde vs Del Cid, Lauren Gabriella — 1/2-1/2 — Marktredwitz
1992 — Kirshner, M. vs Avguarde — 0-1 — Fremont
1992 — Tauber, Manfred vs Ankerst, Milka — 1/2-1/2 — Munchen open
1993 — Stenzel, Harold vs Ansel, Andy — 0-1 — New York, NY USA
1993 — Rolf, Sebastian vs Duengen, Wolfgang, Dr. — 0-1 — Muelheim