E57g - 10.exd4 Be7 11.Qd3 - Main Line (1949)

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E57g — Main Line (1949)
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 Be7 11.Qd3
Les coups candidats
11…a6 — 45.2% (85 parties)
Ambassadeurs : Minev, Nikolay N (3x), Golombek, Harry (3x), Kozma, Julius (2x), Bielicki, Carlos (1x), David Avril R (1x), Radev Iordanov, Nikolay (1x), Tsagan, T (1x), Rabar, Braslav (1x)
11…b6 — 39.9% (75 parties)
Ambassadeurs : Stoltz, Gösta (3x), Pachman, Ludek (2x), Lengyel, Levente (2x), Alatortsev, Vladimir N. (2x), Averbakh, Yuri L (2x), Hoi, Carsten (2x), Taimanov, Mark (1x), Florian, Tibor (1x)
11…Nd5 — 4.8% (9 parties)
Ambassadeurs : Kotov, Aleksander (1x), Halilbeili (1x), Kotov, Alexander (1x), Khalilbeili, Sultan (1x), Nikcevic, Nebojsa (1x), Ivanov, Jordan (1x), Tebb, David J (1x), McEwan, Ken B. (1x)
11…Qa5 — 3.2% (6 parties)
Ambassadeurs : Fordan, Tibor (1x), Molnar, Aaron (1x), Winiwarter, Felix (1x), Blasl, Dietmar (1x), Vodyasov, Evgeny (1x), Glud, Jakob Vang (1x), Laketic, Gojko (1x), Johannesson, Ingvar Thor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…a6 11…b6 11…Nd5 11…Qa5
<1800 5 60% — — —
1800-2200 48 48% 40% — 4%
2200-2600 91 36% 46% 8% 3%
Évolution par décennie (% des parties)
Décennie N parties 11…a6 11…b6 11…Nd5 11…Qa5
1950s 24 58% 33% 8% —
1960s 7 57% 29% — —
1970s 11 73% 27% — —
1980s 6 50% 50% — —
1990s 42 48% 33% 5% 5%
2000s 44 32% 48% 7% —
2010s 37 43% 38% 5% 8%
2020s 17 35% 59% — 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…a6 43% 35% ▼ -7.9%
11…b6 38% 59% ▲ +21.0%
11…Nd5 5% 0% ▼ -5.4%
11…Qa5 8% 6% ▼ -2.2%
Parties historiques
11…a6 — 45.2% (85 parties)
1952 — Rabar, Braslav vs De Souza Mendes, Joao — 1-0 — Vienna AUT
1952 — Smyslov, Vasily vs Troianescu, Octav — 1-0 — Budapest HUN
1952 — Rapaka Samuel Paul vs Stahlberg, Gideon — 0-1 — Helsinki olm
1952 — Taimanov, Mark vs Golombek, Harry — 1-0 — Saltsjobaden SWE
1953 — Krause, Kurt vs Winkler, Erich — 1-0 — Jena GER
11…b6 — 39.9% (75 parties)
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 — ?
1952 — Pachman, Ludek vs Stoltz, Gösta — 1/2-1/2 — Helsinki olm
1952 — Pachman, Ludek vs Stoltz, Gösta — 1/2-1/2 — Stockholm izt
1952 — Taimanov, Mark vs Stoltz, Gösta — 1/2-1/2 — Stockholm izt
11…Nd5 — 4.8% (9 parties)
1954 — Kotov, Aleksander vs Halilbeili — 1-0 — Russia
1954 — Kotov, Alexander vs Khalilbeili, Sultan — 1-0 — URS-ch 1L Erevan ARM
1995 — Tebb, David J vs McEwan, Ken B. — 0-1 — Hastings Masters
1999 — Nikcevic, Nebojsa vs Ivanov, Jordan — 1/2-1/2 — Tenerife
2003 — Paragua, Mark vs Antonio, Rogelio Jr — 1-0 — Ho Chi Minh City VIE
11…Qa5 — 3.2% (6 parties)
1998 — Fordan, Tibor vs Molnar, Aaron — 0-1 — HUN
1999 — Winiwarter, Felix vs Blasl, Dietmar — 1-0 — Austria
2014 — Vodyasov, Evgeny vs Glud, Jakob Vang — 0-1 — Tromso NOR
2017 — Remmeke, Hans vs Fuest, Martin — 1/2-1/2 — GER
2019 — Laketic, Gojko vs Johannesson, Ingvar Thor — 1-0 — Budva MNE