E19f - 9…f5 - Old Main Line (1927)

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E19f — Old Main Line (1927)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 f5
Les coups candidats
Ambassadeurs : Korchnoi, Viktor (9x), Pirc, Vasja (7x), Filip, Miroslav (6x), Noble, Mark Frederick (5x), Petrosian, Tigran V. (4x), Donner, Jan-Hein (4x), Ivkov, Borislav (4x), Darga, Klaus (4x)
Ambassadeurs : Golombek, Harry (3x), Zalys, Ignas (3x), Pirc, Vasja (2x), Rossetto, Hector (2x), Jones, Brian (2x), Mucongoma, Miguel Jose Maconi (2x), Kool, Gerard (1x), Van den Berg, Carel B (1x)
10.d5 — 6.9% (130 parties)
Ambassadeurs : Ivkov, Borislav (7x), Kholmov, Ratmir D (6x), Hamann, Svend (3x), Hacker, Christian (3x), Kluger, Gyula (2x), Filep, Tibor (2x), Klee, Uwe (2x), Uhlmann, Wolfgang (2x)
10.Bf4 — 6.1% (116 parties)
Ambassadeurs : Oliveira, Diogo Luiz De (3x), Kovacs, Zoltan (2x), Bak, Istvan (2x), Busemann, Stephan, Dr. (2x), Daróczy, Sándor (2x), Flesch, János (1x), Honfi, Karoly (1x), Phipps, JB. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.b3 10.Rd1 10.d5 10.Bf4
<1800 77 36% 23% 4% 12%
1800-2200 728 36% 23% 4% 8%
2200-2600 609 45% 24% 7% 5%
2600+ 15 73% 13% 13% —
Évolution par décennie (% des parties)
Décennie N parties 10.b3 10.Rd1 10.d5 10.Bf4
1950s 123 39% 9% 21% 2%
1960s 108 59% 8% 13% 3%
1970s 106 58% 13% 5% 1%
1980s 174 53% 11% 9% 1%
1990s 298 45% 20% 7% 3%
2000s 422 39% 24% 7% 6%
2010s 582 35% 26% 3% 12%
2020s 84 31% 27% 2% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.b3 35% 31% ▼ -4.1%
10.Rd1 26% 27% ▲ +1.4%
10.d5 3% 2% ▼ -0.5%
10.Bf4 12% 8% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
10.b3 — 41.9% (795 parties)
1950 — Sokolsky, Alexey vs Boleslavsky, Isaac — 1/2-1/2 — Moskou ch-URS
1950 — Rellstab, Ludwig vs Pfeiffer, Gerhard — 1/2-1/2 — Bled SLO
1950 — Kramer, Haije vs Pirc, Vasja — 0-1 — Amsterdam NED
1950 — Filip, Miroslav vs Bobekov, P. — 1/2-1/2 — Prague CZE
1951 — Giustolisi, Alberto vs Medina-Garcia, Antonio — 1/2-1/2 — Madrid ESP
10.Rd1 — 20.6% (391 parties)
1950 — Pfeiffer, Gerhard vs Sahlmann, Walter — 1/2-1/2 — FRG-ch Bad Pyrmont GER
1951 — Eken, Max vs Barden, Leonard — 1-0 — Paignton
1952 — Golombek, Harry vs Nedeljkovic, Alexsandar — 0-1 — Belgrade SRB
1953 — Benkner, Otto vs Tartakower, Savielly — 0-1 — Paris-Saar m
1953 — Golombek, Harry vs Kupper, Josef — 1/2-1/2 — Opatija
10.d5 — 6.9% (130 parties)
1952 — O'Kelly de Galway, Alberic vs Nedeljkovic, Aleksandar — 1/2-1/2 — Belgrade SRB
1952 — Nedeljkovic, Srecko M vs Gligorić, Svetozar — 1-0 — Belgrade SRB
1952 — Schumacher, Helmut vs Thibaut, Georges — 0-1 — Ghent
1952 — Nedeljkovic, Srecko M vs Krivec, Sandi — 1-0 — Belgrade SRB
1953 — Uhlmann, Wolfgang vs Ang Ang Koch — 0-1 — GER
10.Bf4 — 6.1% (116 parties)
1952 — Phipps, JB. vs Cafferty, Bernard — 1/2-1/2 — ?
1952 — Incutto, Carlos vs Garcia Vera, Romeo — 1/2-1/2 — Buenos Aires ARG
1962 — Bak, Istvan vs Honfi, Karoly — 1-0 — Kecskemet HUN
1963 — Flesch, János vs Kovacs, Zoltan — 1-0 — Budapest ch-HUN
1963 — Bak, Istvan vs Kovacs, Zoltan — 1-0 — Budapest ch-HUN