E19c — 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 d6 10.b3
Les coups candidats
10…Nd7 — 65.5% (232 parties)
Ambassadeurs : Carrasco Hernandez, Valery Ines (5x), Ilyasov, Anatoly Fedorovich (4x), Smyslov, Vasily (3x), Miguel, Nahuel (3x), Keres, Paul Petrovich (2x), Matanovic, Aleksandar (2x), Spassky, Boris Vasily (2x), Jimenez Zerquera, Eleazar (2x)
10…c5 — 13.0% (46 parties)
Ambassadeurs : Ivkov, Borislav (6x), Gheorghiu, Florin (3x), Ek, Hans (2x), Henttinen, Markku I.O. (2x), Karpov, Anatoly (2x), Johansson, Martin 1979 (1x), Pachman, Ludek (1x), Matanovic, Aleksandar (1x)
10…f5 — 11.9% (42 parties)
Ambassadeurs : Novak, Ervin (2x), Hort, Vlastimil (2x), Bragin, Artem (2x), Lancz, Ondrej (2x), Trevelyan, John (2x), Weiss, Augustin (1x), Peltonen, Usko (1x), Huuskonen, Veli-Matti (1x)
10…Bf6 — 4.8% (17 parties)
Ambassadeurs : Chernin, Alexander (1x), Ivanchuk, Vasyl (1x), Bronstein, Luis Marcos (1x), Aditya Girish Kurtkoti (1x), Gralka, Julian (1x), Sydor, Andrzej (1x), Tvrdon, Peter (1x), Korbela, Lubomir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Nd7 10…c5 10…f5 10…Bf6
<1800 11 64% 18% 9%
1800-2200 147 69% 12% 12% 4%
2200-2600 147 66% 15% 11% 5%
2600+ 9 44% 22% 22%
Évolution par décennie (% des parties)
Décennie N parties 10…Nd7 10…c5 10…f5 10…Bf6
1950s 10 60%
1960s 17 59% 18% 12%
1970s 24 25% 46% 21% 4%
1980s 19 37% 21% 26% 11%
1990s 24 46% 17% 25% 12%
2000s 61 70% 13% 13% 3%
2010s 131 73% 11% 10% 3%
2020s 68 79% 1% 4% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Nd7 73% 79% ▲ +6.9%
10…c5 11% 1% ▼ -10.0%
10…f5 10% 4% ▼ -5.5%
10…Bf6 3% 7% ▲ +4.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Tal, Mikhail — 1 partie
Parties historiques
10…Nd7 — 65.5% (232 parties)
1951 — Nielsen, Julius vs Nielsen, Poul Erik — 1/2-1/2 — ?
1951 — Alice, Millena Miguelina de Souza vs Keller, Hanna — 0-1 — Reggio Emilia ITA
1958 — Prameshuber, Alexander vs Reilly, Brian — 1-0 — Munich olm prel
1958 — Filip, Miroslav vs Panno, Oscar — 1/2-1/2 — Varna BUL
1959 — Ujtelky, Maximilian vs Blatny, Frantisek — 1/2-1/2 — Bratislava SVK
10…c5 — 13.0% (46 parties)
1966 — Ek, Hans vs Johansson, Martin 1979 — 1/2-1/2 — Eskilstuna SWE
1967 — Pachman, Ludek vs Gheorghiu, Florin — 1/2-1/2 — Moscow RUS
1968 — Ivkov, Borislav vs Gheorghiu, Florin — 1/2-1/2 — Palma de Majorca ESP
1970 — Ivkov, Borislav vs Gheorghiu, Florin — 1/2-1/2 — Budapest HUN
1971 — Pfleger, Helmut, Dr. vs Karpov, Anatoly — 1/2-1/2 — Hastings ENG
10…f5 — 11.9% (42 parties)
1965 — Weiss, Augustin vs Novak, Ervin — 1/2-1/2 — Pardubice CZE
1968 — Peltonen, Usko vs Huuskonen, Veli-Matti — 1/2-1/2 — ?
1971 — Friedman, Shmuel vs Bernstein, Yaacov — 1/2-1/2 — Nathanya
1972 — Smejkal, Jan vs Hort, Vlastimil — 1/2-1/2 — Trinec CZE
1972 — Hort, Vlastimil vs Novak, Ervin — 1-0 — Trinec CZE
10…Bf6 — 4.8% (17 parties)
1978 — Gralka, Julian vs Sydor, Andrzej — 1/2-1/2 — Krakow POL
1984 — Bronstein, Luis Marcos vs Aditya Girish Kurtkoti — 1/2-1/2 — Casilda
1988 — Chernin, Alexander vs Ivanchuk, Vasyl — 1/2-1/2 — New York open
1997 — Tvrdon, Peter vs Korbela, Lubomir — 1/2-1/2 — Slovakia
1998 — Duboc, Antoine vs Davies, Paul S — 1-0 — Witley ENG