E57i - 10.exd4 Be7 11.Re1 a6 - Main Line

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E57i — Main Line
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.Re1 a6
Les coups candidats
12.Ba2 — 45.7% (163 parties)
Ambassadeurs : Dlugy, Maxim (3x), Donner, Jan-Hein (2x), Adamski, Jan (2x), Calens, Diego (2x), Chen, Hongsen (2x), Showalter, Jackson (1x), Blackburne, Joseph (1x), Montgomery, Parker (1x)
12.Bg5 — 16.5% (59 parties)
Ambassadeurs : Pachman, Ludek (2x), Hasidovski, Arnold (2x), Ragozin, Viacheslav (1x), Bastrikov, Georgy (1x), Szabo, Laszlo (1x), Evans, Larry (1x), Batuev, Anton (1x), Kirillov, Vasiliy (1x)
12.Bf4 — 8.1% (29 parties)
Ambassadeurs : Lilienthal, Andor (1x), Boleslavsky, Isaac (1x), Rabar, Braslav (1x), Stoeckl, Ernst (1x), Pirc, Vasja (1x), Golombek, Harry (1x), Neuberger, Guido (1x), Schmitt, Christian (1x)
12.Bb3 — 6.4% (23 parties)
Ambassadeurs : Cramling, Pia (1x), Jackson, Sheila (1x), Murphy, Peter (1x), Hieser, Bill (1x), Davies, Nigel R (1x), Sadler, Matthew D (1x), Lengyel, Levente (1x), Vovsha, Eli (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.Ba2 12.Bg5 12.Bf4 12.Bb3
<1800 10 20% — 20% 10%
1800-2200 101 33% 16% 11% 7%
2200-2600 169 57% 18% 3% 7%
2600+ 5 60% — 20% 20%
Évolution par décennie (% des parties)
Décennie N parties 12.Ba2 12.Bg5 12.Bf4 12.Bb3
1890s 1 100% — — —
1900s 1 — — — —
1920s 1 — — — —
1930s 2 50% 50% — —
1940s 4 25% 50% 25% —
1950s 9 33% 22% 22% —
1960s 17 65% 24% — —
1970s 11 45% 9% 9% —
1980s 20 45% 25% 5% 5%
1990s 48 44% 17% 6% 6%
2000s 96 35% 22% 10% 8%
2010s 117 50% 10% 8% 9%
2020s 30 63% 10% 7% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.Ba2 50% 63% ▲ +13.8%
12.Bg5 10% 10% -0.3%
12.Bf4 8% 7% ▼ -1.0%
12.Bb3 9% 3% ▼ -5.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
12.Ba2 — 45.7% (163 parties)
1896 — Showalter, Jackson vs Blackburne, Joseph — 0-1 — Nuerenberg GER
1937 — Montgomery, Parker vs Alexander, Conol Hugh — 1-0 — Olympiad Stockholm SWE
1946 — Stoltz, Gabriel vs Bellod Thomas, Gonzalo — 1-0 — International Tournament
1957 — Newman Caceres, Reynaldo Adolfo vs Goodman Castillo Cesar Alberto — 1-0 — Plymouth
1957 — Donner, Jan-Hein vs Troianescu, Octav — 1-0 — Wageningen zt
12.Bg5 — 16.5% (59 parties)
1938 — Ragozin, Viacheslav vs Bastrikov, Georgy — 1-0 — Leningrad RUS
1947 — Batuev, Anton vs Kirillov, Vasiliy — 1-0 — Leningrad RUS
1949 — Szabo, Laszlo vs Evans, Larry — 1-0 — Hastings ENG
1952 — Pachman, Ludek vs Golombek, Harry — 1/2-1/2 — Saltsjobaden SWE
1955 — Lilienthal, Andor vs Goldberg, Grigory A — 0-1 — Ch Moscow Moscow RUS
12.Bf4 — 8.1% (29 parties)
1942 — Lilienthal, Andor vs Boleslavsky, Isaac — 0-1 — Kuibyshev
1951 — Pirc, Vasja vs Golombek, Harry — 1-0 — Birmingham ENG
1952 — Rabar, Braslav vs Stoeckl, Ernst — 1/2-1/2 — Vienna AUT
1976 — Ornstein, Axel vs Flesch, Janos — 1/2-1/2 — Oslo NOR
1988 — Neuberger, Guido vs Schmitt, Christian — 1-0 — Wiesbaden GER
12.Bb3 — 6.4% (23 parties)
1984 — Cramling, Pia vs Jackson, Sheila — 1-0 — Costa Brava
1994 — Murphy, Peter vs Hieser, Bill — 1-0 — Belconnen
1994 — Davies, Nigel R vs Sadler, Matthew D — 1/2-1/2 — Gausdal NOR
1999 — Lengyel, Levente vs Vovsha, Eli — 0-1 — Budapest HUN
2000 — Steenkamp, Johan J. vs Mohale, Thabo — 1-0 — Centurion