E57b - 10.exd4 - Main Line (1950)

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E57b — Main Line (1950)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 dxc4 9.Bxc4 cxd4 10.exd4
Les coups candidats
Ambassadeurs : Golombek, Harry (7x), Donner, Jan-Hein (5x), Miguel, Nahuel (4x), Stoltz, Gösta (3x), Goldberg, Grigory (3x), Rabar, Braslav (3x), Pachman, Ludek (3x), Urbanec, Karel (3x)
10…Bxc3 — 19.9% (99 parties)
Ambassadeurs : Kozlov, Vladimir N (3x), Pardo Bolivar Juan Sebastian (2x), Trapl, Jindrich (2x), O'Kelly de Galway, Alberic (1x), Gligoric, Svetozar (1x), Bachtiar, Arovah (1x), Calvo Minguez, Ricardo (1x), Thorarinsson, Gudmundur G (1x)
10…Bd6 — 8.9% (44 parties)
Ambassadeurs : Potrata, Janko (3x), Ciazela, Wieslaw (2x), Kozma, Julius (1x), Filip, Frantisek (1x), Caporali, Dante (1x), Mazza, Domenico (1x), Nowicki, Andrzej (1x), Koschorreck, Arnold (1x)
10…Ba5 — 1.4% (7 parties)
Ambassadeurs : Svensen, Tarjei Joten (1x), Bentsen, Hakon (1x), Frost, Anders (1x), Bau, Jasper (1x), Alachihin, Vladimir (1x), Ganizhev, Maksharip (1x), Siebenburger, Vlastimil (1x), Zemanova, Jana (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Be7 10…Bxc3 10…Bd6 10…Ba5
<1800 31 58% 6% 26% 10%
1800-2200 168 64% 25% 10% 1%
2200-2600 159 71% 22% 6% —
2600+ 4 — 50% 50% —
Évolution par décennie (% des parties)
Décennie N parties 10…Be7 10…Bxc3 10…Bd6 10…Ba5
1950s 62 94% 5% 2% —
1960s 25 72% 28% — —
1970s 20 75% 25% — —
1980s 27 52% 48% — —
1990s 72 78% 17% 3% 3%
2000s 123 67% 15% 16% 2%
2010s 127 58% 27% 14% 1%
2020s 41 71% 15% 7% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Be7 58% 71% ▲ +12.5%
10…Bxc3 27% 15% ▼ -12.1%
10…Bd6 14% 7% ▼ -6.9%
10…Ba5 1% 5% ▲ +4.1%
Parties historiques
10…Be7 — 69.6% (346 parties)
1950 — Bondarevsky, Igor vs Sokolsky, Alexey — 1/2-1/2 — Moskou ch-URS
1950 — Gligoric, Sofija vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1950 — Amaro, Lucas Ibrair vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
1950 — Alatortsev, Vladimir N. vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1950 — Alatortsev, Vladimir N. vs Averbakh, Yuri L — 1/2-1/2 — ?
10…Bxc3 — 19.9% (99 parties)
1950 — Heemskerk, Fenny vs Bykova, Elizaveta — 0-1 — Moscow RUS
1956 — Dolezal, Jiri vs Daveronis, Josef — 1/2-1/2 — Chomutov
1959 — Baert, Arthur vs Tonoli, Jose — 1-0 — Blankenberge
1961 — Taimanov, Mark vs Niephaus, Walter — 1-0 — Oberhausen etc
1964 — Thorarinsson, Gudmundur G vs Fernandez Bravo, Ciro Angel — 1-0 — Krakow POL
10…Bd6 — 8.9% (44 parties)
1955 — Kozma, Julius vs Filip, Frantisek — 1-0 — Prague CZE
1998 — Caporali, Dante vs Mazza, Domenico — 1/2-1/2 — ?
1998 — Nowicki, Andrzej vs Koschorreck, Arnold — 1-0 — IECC
2004 — Bricard, Emmanuel vs Riff, Jean-Noel — 1/2-1/2 — Mulhouse FRA
2004 — Bars, Joachim vs Tacke, Hubert — 1-0 — ?
10…Ba5 — 1.4% (7 parties)
1991 — Frost, Anders vs Bau, Jasper — 0-1 — corr PATT II
1995 — Svensen, Tarjei Joten vs Bentsen, Hakon — 0-1 — ?
2004 — Alachihin, Vladimir vs Ganizhev, Maksharip — 1-0 — ?
2007 — Siebenburger, Vlastimil vs Zemanova, Jana — 1-0 — Zdar nad Sazavou CZE
2016 — Li, Marissa vs Yen, Sarah — 1-0 — Windsor CAN