E19h - 10.b3 - Old Main Line (1927)

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E19h — 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 10.b3
Les coups candidats
10…Bf6 — 87.8% (717 parties)
Ambassadeurs : Korchnoi, Viktor (9x), Filip, Miroslav (5x), Noble, Mark Frederick (5x), Petrosian, Tigran V. (4x), Benko, Pal (4x), Hort, Vlastimil (4x), Pomar Salamanca, Arturo (4x), Miguel, Nahuel (3x)
10…d6 — 7.1% (58 parties)
Ambassadeurs : Bilyap, Siracettin (1x), Farboud, Mohammad Hossein (1x), Baron, Scudierr (1x), Smith, Kenneth (1x), Darga, Klaus (1x), Osmanagic, Muamer (1x), German, Eugenio (1x), Schweber, Samuel (1x)
10…a5 — 1.7% (14 parties)
Ambassadeurs : Abramovic, Bosko (2x), Lechtynsky, Jiri (2x), Donner, Jan-Hein (1x), Georg, Heinz (1x), Matskevich, Avshalom (1x), Romanovsky, Rem Konstantinovich (1x), Pirc, Vasja (1x), Stoltz, Gösta (1x)
10…Qe8 — 1.5% (12 parties)
Ambassadeurs : Matanovic, Aleksandar (3x), Pirc, Vasja (3x), Ivkov, Borislav (2x), Gruenfeld, Ernst (1x), Germek, Milan (1x), Donner, Jan-Hein (1x), Gheorghiu, Florin (1x), Janata, Michael (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Bf6 10…d6 10…a5 10…Qe8
<1800 31 81% 13% — —
1800-2200 279 84% 13% 0% 1%
2200-2600 273 91% 3% 4% 1%
2600+ 11 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10…Bf6 10…d6 10…a5 10…Qe8
1950s 48 77% 6% 6% 8%
1960s 64 84% 8% — 6%
1970s 65 88% 8% — —
1980s 92 95% 3% — 1%
1990s 139 88% 6% 3% —
2000s 166 90% 5% 2% —
2010s 214 86% 11% 1% 1%
2020s 29 90% 3% — 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Bf6 86% 90% ▲ +3.7%
10…d6 11% 3% ▼ -7.3%
10…a5 1% 0% ▼ -1.4%
10…Qe8 1% 3% ▲ +2.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
10…Bf6 — 87.8% (717 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
1951 — Giustolisi, Alberto vs Medina-Garcia, Antonio — 1/2-1/2 — Madrid ESP
1951 — Lipnitsky, Isaac vs Taimanov, Mark — 1-0 — URS-chT Tbilisi GEO
10…d6 — 7.1% (58 parties)
1951 — Baron, Scudierr vs Smith, Kenneth — 0-1 — Fort Worth, TX USA
1951 — Hajtun, Jozsef vs Gracs, Pal — 1-0 — Hungary ch
1958 — Howson, James B vs Rumens, David Edward — 1-0 — Leamington
1960 — Reynolds, D Ian W vs Hopkin, David R — 0-1 — Leicester
1962 — Darga, Klaus vs Osmanagic, Muamer — 1/2-1/2 — ?
10…a5 — 1.7% (14 parties)
1952 — Pirc, Vasja vs Stoltz, Gösta — 1/2-1/2 — Belgrade SRB
1955 — Donner, Jan-Hein vs Georg, Heinz — 1/2-1/2 — Goteborg izt
1956 — Matskevich, Avshalom vs Romanovsky, Rem Konstantinovich — 1-0 — Kiev UKR
1990 — Vaganian, Rafael A vs Razuvaev, Yuri S — 1/2-1/2 — Reykjavik ISL
1990 — Bruch, Ingo vs Zlatilov, Ivailo — 1-0 — Porz op25 Porz GER
10…Qe8 — 1.5% (12 parties)
1950 — Filip, Miroslav vs Bobekov, P. — 1/2-1/2 — Prague CZE
1951 — Donner, Jan-Hein vs Pirc, Vasja — 1/2-1/2 — Birmingham ENG
1952 — Gruenfeld, Ernst vs Pirc, Vasja — 1/2-1/2 — Belgrade SRB
1952 — Germek, Milan vs Pirc, Vasja — 1/2-1/2 — Belgrade SRB
1963 — Gheorghiu, Florin vs Janata, Michael — 1/2-1/2 — Vrnjacka Banja SRB