A78b - 11.f4 - Classical, Main Line (1955)

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A78b — Classical, Main Line (1955)
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
Les coups candidats
Ambassadeurs : Tytgat, Karel (6x), Magrin, Antonio (4x), Hage, Henk H (4x), Evans, Larry (3x), Soos, Bela (3x), Segal, Alexandru Sorin (3x), Ramos Barraso, Manuel (3x), Weissel, Georg (3x)
11…Rb8 — 19.0% (97 parties)
Ambassadeurs : Portisch, Lajos (3x), Ouellet, Maili-Jade (3x), Zaitsev, Alexander (2x), Dely, Peter (2x), Malich, Burkhard, Dr. (2x), Bobotsov, Milko G (2x), Ibragimov, Ildar (2x), Beliman, Oliver (1x)
11…c4 — 6.3% (32 parties)
Ambassadeurs : Padevsky, Nikola (2x), Lain, Luigi (2x), Bonafede, Alessandro (2x), Peev, Peicho (1x), Planinec, Albin (1x), Hansen, Curt (1x), Larsen, Bent Ravn (1x), Umansky, Vladimir (1x)
11…Bd7 — 2.4% (12 parties)
Ambassadeurs : Westerinen, Heikki M.J. (1x), Tringov, Georgi P (1x), Guevara, Martin (1x), Kitagami, Show (1x), Yepes Martinez, Eduard (1x), Gabaldon Gomez, Miguel Angel (1x), Sarabia Utrilla, Joaquin (1x), Uberos Fernández, Antonio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Nc7 11…Rb8 11…c4 11…Bd7
<1800 22 64% 18% 9% 9%
1800-2200 192 73% 18% 4% 4%
2200-2600 185 71% 17% 9% 1%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 11…Nc7 11…Rb8 11…c4 11…Bd7
1950s 9 33% 67% — —
1960s 46 54% 39% 2% 2%
1970s 18 83% 6% 11% —
1980s 44 66% 25% 9% —
1990s 136 79% 12% 7% 1%
2000s 125 75% 17% 5% 3%
2010s 115 68% 19% 4% 5%
2020s 17 65% 12% 24% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Nc7 68% 65% ▼ -3.1%
11…Rb8 19% 12% ▼ -7.4%
11…c4 4% 24% ▲ +19.2%
11…Bd7 5% 0% ▼ -5.2%
Parties historiques
11…Nc7 — 71.2% (363 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
11…Rb8 — 19.0% (97 parties)
1955 — Portisch, Lajos vs Dely, Peter — 1-0 — Hungary ch
1955 — Portisch, Lajos vs Dely, Peter — 1-0 — Budapest HUN
1956 — Chimenez vs Thorbergsson, Freysteinn — 1/2-1/2 — Moscow RUS
1957 — Golz, Werner vs Malich, Burkhard, Dr. — 0-1 — Gotha GER
1959 — Milev, Zdravko vs Forintos, Gyozo V — 1/2-1/2 — Budapest HUN
11…c4 — 6.3% (32 parties)
1968 — Padevsky, Nikola vs Peev, Peicho — 1-0 — Varna BUL
1970 — Padevsky, Nikola vs Planinec, Albin — 1/2-1/2 — Sarajevo BIH
1971 — Cobo Arteaga, Eldis vs Bak, Istvan — 1-0 — Havana CUB
1981 — Sahovic, Dragutin vs Rogulj, Branko — 0-1 — Pula CRO
1983 — Hvenekilde, Jorgen vs Horvath, Tamas — 0-1 — Copenhagen DEN
11…Bd7 — 2.4% (12 parties)
1964 — Westerinen, Heikki M.J. vs Tringov, Georgi P — 1/2-1/2 — Tel Aviv olm
1991 — Guevara, Martin vs Kitagami, Show — 1-0 — Los Angeles open
2003 — Yepes Martinez, Eduard vs Gabaldon Gomez, Miguel Angel — 1/2-1/2 — Benidorm ESP
2007 — Perez Fernandez, Jose Vicente vs Rosa Ramirez, Victor Diego — 0-1 — ?
2008 — Sarabia Utrilla, Joaquin vs Uberos Fernández, Antonio — 0-1 — ICCF