E18z - 9.bxc3 - Old Main Line (1925)

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E18z — Old Main Line (1925)
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.bxc3
Les coups candidats
9…f5 — 61.2% (375 parties)
Ambassadeurs : Besser, Hans (2x), Mangini, Jose Henrique de Mello (2x), Luca Mouton (2x), Bednar, Milan (2x), Nicholson, John (1x), Lees, David (1x), Zeitler, Hans-Juergen (1x), Jaeger, Willy (1x)
9…Nc6 — 17.6% (108 parties)
Ambassadeurs : Averbakh, Yuri L (2x), Rayner, Francis (2x), Kindij Igor (1x), Matanovic, Aleksandar (1x), Miguel, Nahuel (1x), Milic, Borislav (1x), Rossolimo, Nicolas (1x), Kan, Ilya A (1x)
9…d6 — 7.8% (48 parties)
Ambassadeurs : Cooke, Zarco (1x), Lee, Cecil (1x), Ravikumar, Vaidyanathan (1x), Wells, Ian D (1x), Hamm Kathrin (1x), Amelang, Astrid (1x), Buchanan, Richard W (1x), Dorff, S. (1x)
9…d5 — 4.4% (27 parties)
Ambassadeurs : Guimard, Carlos E (1x), Eliskases, Erich (1x), Stein, Leonid (1x), Ruchkin, Yuri (1x), Bachtiar, Arovah (1x), Rantanen, Matti (1x), Khan, Mohamed Rafiq (1x), Vukadinov, Milan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…f5 9…Nc6 9…d6 9…d5
<1800 36 67% 6% 8% 11%
1800-2200 352 66% 14% 9% 3%
2200-2600 136 53% 27% 7% 1%
2600+ 1 — 100% — —
Évolution par décennie (% des parties)
Décennie N parties 9…f5 9…Nc6 9…d6 9…d5
1950s 19 47% 32% — 11%
1960s 10 70% 20% — 10%
1970s 19 47% 26% 11% 11%
1980s 25 64% 8% 8% 12%
1990s 118 59% 17% 11% 3%
2000s 156 62% 17% 8% 4%
2010s 201 64% 17% 7% 3%
2020s 65 58% 18% 8% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…f5 64% 58% ▼ -5.7%
9…Nc6 17% 18% ▲ +1.0%
9…d6 7% 8% ▲ +0.7%
9…d5 3% 3% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Parties historiques
9…f5 — 61.2% (375 parties)
1951 — Kan, Ilya A vs Aratovsky, Nikolay — 1-0 — Leningrad RUS
1951 — Guimard, Carlos E vs O'Kelly, Albéric de Galway — 1-0 — New York, NY USA
1952 — Bolbochan, Julio vs Mangini, Jose Henrique de Mello — 1/2-1/2 — Rio de Janeiro BRA
1954 — Olexa, Vilem vs Weiner, Milan — 0-1 — Prague CZE
1955 — Conen, Friedrich vs Groenegress, Wilfried — 1/2-1/2 — Detmold
9…Nc6 — 17.6% (108 parties)
1950 — Milic, Borislav vs Rossolimo, Nicolas — 0-1 — Paris FRA
1950 — Averbakh, Yuri L vs Pogats, Jozsef Jr. — 1-0 — Schiavno Zdroj
1951 — Kindij Igor vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1953 — Miguel, Nahuel vs Averbakh, Yuri L — 0-1 — Zurich SUI
1955 — Kan, Ilya A vs Khachaturov, Andrey Andreevich — 1/2-1/2 — Moscow RUS
9…d6 — 7.8% (48 parties)
1978 — Cooke, Zarco vs Lee, Cecil — 1-0 — Buenos Aires ARG
1978 — Buchanan, Richard W vs Dorff, S. — 1-0 — Kellner mem,OH
1980 — Ravikumar, Vaidyanathan vs Wells, Ian D — 1-0 — Manchester open
1987 — Hamm Kathrin vs Amelang, Astrid — 1/2-1/2 — Glauchau
1992 — Pursiainen, Erkki vs Peltola, Mikko — 1/2-1/2 — Tampere TampY A
9…d5 — 4.4% (27 parties)
1954 — Guimard, Carlos E vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1956 — Stein, Leonid vs Ruchkin, Yuri — 1-0 — Soviet Union
1960 — Bachtiar, Arovah vs Rantanen, Matti — 0-1 — Leipzig GER
1975 — Cohn, Hans vs Klausen, Knud — 1-0 — Bad Berleburg
1976 — Gaspar, Vache vs Anguiano, Rolando — 1-0 — Caracas VEN