A78f - 11…Nc7 - Classical, Main Line (1958)

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A78f — Classical, Main Line (1958)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f4 Nc7
Les coups candidats
12.a4 — 84.7% (337 parties)
Ambassadeurs : Tytgat, Karel (6x), Magrin, Antonio (4x), Hage, Henk H (4x), Segal, Alexandru Sorin (3x), Ramos Barraso, Manuel (3x), Weissel, Georg (3x), Sutter, Oliver (3x), Aadhitha Karikalan (2x)
12.Bf3 — 8.3% (33 parties)
Ambassadeurs : Evans, Larry (3x), Babev, Aleksandar (2x), Theodorsson, Bjorn (2x), Zinser, Sylvain (2x), Soos, Bela (2x), Matulovic, Milan (2x), Ruzzier, Dario (2x), Kozma, Julius (1x)
12.Re1 — 2.5% (10 parties)
Ambassadeurs : Aschenbrenner, Robert (2x), Eichert, Wolfgang (2x), Kucharski, Juan (1x), Morgado, Juan Sebastian (1x), Kekki, Petri (1x), Yrjola, Jouni (1x), Lapiccirella, Daniele (1x), Loetscher, Roland (1x)
12.Qc2 — 2.5% (10 parties)
Ambassadeurs : Scherbakoff, Georges (1x), Thiellement, Andre (1x), Montoya, Alfonso (1x), Arras, Campos Diego (1x), Baardsen, Geir (1x), Bergdahl, Sture (1x), Tsuboi, Edson Kenji (1x), Beltadze, Luka (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.a4 12.Bf3 12.Re1 12.Qc2
<1800 15 93% 7% — —
1800-2200 158 84% 6% 3% 4%
2200-2600 145 88% 8% 3% —
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 12.a4 12.Bf3 12.Re1 12.Qc2
1950s 3 100% — — —
1960s 27 56% 37% 4% 4%
1970s 15 67% 20% — 7%
1980s 32 84% 9% 3% —
1990s 118 88% 5% 1% 3%
2000s 107 85% 7% 4% 2%
2010s 84 90% 2% 4% 2%
2020s 12 92% 8% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.a4 90% 92% ▲ +1.2%
12.Bf3 2% 8% ▲ +6.0%
12.Re1 4% 0% ▼ -3.6%
12.Qc2 2% 0% ▼ -2.4%
Parties historiques
12.a4 — 84.7% (337 parties)
1954 — Khavin, Abram Leonidovich vs Zveriaka — 1-0 — Kiev UKR
1954 — Golovko, Nikolay Grigorievic vs Pasman, Marks — 0-1 — Riga LAT
1958 — Vukcevich, Milan vs Bogdanovic, Rajko — 1/2-1/2 — Sarajevo BIH
1960 — Baranow, Filip vs Wilup — 1/2-1/2 — Leningrad RUS
1962 — Soderborg, Berndt vs Domnitz, Zadok — 1/2-1/2 — Varna BUL
12.Bf3 — 8.3% (33 parties)
1963 — Steinmeyer, Robert vs Evans, Larry — 0-1 — New York ch-USA
1966 — Polugaevsky, Lev vs Evans, Larry — 1/2-1/2 — Havana olm
1967 — Zinser, Sylvain vs Evans, Larry — 0-1 — Venice Venice ITA
1967 — Zinser, Sylvain vs Lopez Masis, Kenard Evans — 0-1 — Venice ITA
1967 — Soos, Bela vs Matulovic, Milan — 0-1 — Skopje MKD
12.Re1 — 2.5% (10 parties)
1969 — Kucharski, Juan vs Morgado, Juan Sebastian — 0-1 — ARG tt
1986 — Kekki, Petri vs Yrjola, Jouni — 0-1 — Ch Finland Pori FIN
1999 — Lapiccirella, Daniele vs Loetscher, Roland — 0-1 — ITA-ch U18 Laveno
2001 — Pesorda, Ivan vs Eichert, Wolfgang — 1/2-1/2 — Austria
2003 — Aschenbrenner, Robert vs Eichert, Wolfgang — 1-0 — Mitte AUT
12.Qc2 — 2.5% (10 parties)
1962 — Scherbakoff, Georges vs Thiellement, Andre — 0-1 — Paris FRA
1974 — Montoya, Alfonso vs Arras, Campos Diego — 0-1 — ?
1991 — Caloni, Ugo vs Girola, Enrico — 0-1 — Tr Lombardia
1992 — Baardsen, Geir vs Bergdahl, Sture — 0-1 — Vaxjo
1995 — Tsuboi, Edson Kenji vs Beltadze, Luka — 1-0 — Sao Paulo BRA