D47a - 7.Bxc4 - Meran Variation (1925)

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D47a — Meran Variation (1925)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4
Les coups candidats
Ambassadeurs : Weber, Karlheinz (108x), Sveshnikov, Evgeny (70x), Dreev, Aleksey (62x), Korneev, Oleg (60x), Lukacs, Peter (51x), Kaidanov, Gregory (51x), Korchnoi, Viktor (42x), Ribli, Zoltan (41x)
7…Bd6 — 1.1% (307 parties)
Ambassadeurs : Ehrl, Wolfgang (2x), Buechler, Franz (2x), McDonald, Graham R (2x), Carrasco Araya, Berna (1x), Cardoso, Ruth (1x), Barden, Leonard (1x), Cannon, L John (1x), Lainson, Bernard (1x)
7…Be7 — 0.7% (192 parties)
Ambassadeurs : Bratholm, Palle (2x), Mandel, Andreas (1x), Troger, Emma (1x), Filip, Miroslav (1x), Lantsias, Andreas (1x), Gimenos, T. (1x), Agelan (1x), Walsh, Harry (1x)
7…Nb6 — 0.5% (154 parties)
Ambassadeurs : Simagin, Vladimir (1x), Arlamowski, Edward (1x), Toth, Balazs (1x), Jansen, Albert (1x), Gonzalez, Gerardo (1x), Garcia Caballero, Luis (1x), De la Torre, Martin Juan (1x), Rodriguez Fernandez, Fermin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…b5 7…Bd6 7…Be7 7…Nb6
<1800 1720 92% 3% 2% 2%
1800-2200 10879 96% 1% 1% 1%
2200-2600 11291 99% 1% 0% 0%
2600+ 826 99% 0% — —
Évolution par décennie (% des parties)
Décennie N parties 7…b5 7…Bd6 7…Be7 7…Nb6
1950s 308 98% — 1% 0%
1960s 329 97% 1% 1% —
1970s 503 99% 0% 0% —
1980s 1215 98% 0% 0% 0%
1990s 4001 97% 1% 1% 1%
2000s 9627 96% 1% 1% 1%
2010s 10513 97% 1% 1% 0%
2020s 2075 98% 1% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…b5 97% 98% ▲ +0.9%
7…Bd6 1% 1% +0.0%
7…Be7 1% 0% -0.4%
7…Nb6 0% 0% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 7 parties
Gukesh D — 3 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 1 partie
Parties historiques
7…b5 — 96.6% (27608 parties)
1950 — Taimanov, Mark vs Foltys, Jan — 1/2-1/2 — Schiavno Zdroj
1950 — Puc, Stojan vs Nilsson, Zandor — 1-0 — YUG-Sweden
1950 — Bondarevsky, Igor vs Kopilov, Nikolay Georgiyevich — 1/2-1/2 — Leningrad RUS
1950 — Castillo Bermudez, Manuel vs Wade, Robert G — 0-1 — Venice ITA
1950 — Roehrich, E vs Schmid, Lothar — 1-0 — FRG-ch01 corr5052
7…Bd6 — 1.1% (307 parties)
1960 — Carrasco Araya, Berna vs Cardoso, Ruth — 1/2-1/2 — Sao Paulo BRA
1964 — Barden, Leonard vs Cannon, L John — 1/2-1/2 — Horsham
1964 — Lainson, Bernard vs McKaig, Westley — 1/2-1/2 — Oakland
1971 — Chaude de Silans, Chantal vs Van Der Beken, Ruben — 0-1 — Brussels BEL
1988 — Flum, Gerhard vs Rozinov, Boris Abramovich — 1-0 — EU/M corr
7…Be7 — 0.7% (192 parties)
1956 — Gimenos, T. vs Agelan — 1-0 — ESP
1957 — Mueller, Rolf vs Bruemmer, Ullrich — 1-0 — Zittau
1959 — Mandel, Andreas vs Troger, Emma — 1-0 — Norimberga ch
1961 — Walsh, Harry vs Klausen, Knud — 1-0 — ?
1966 — Filip, Miroslav vs Lantsias, Andreas — 1-0 — Havana CUB
7…Nb6 — 0.5% (154 parties)
1950 — Simagin, Vladimir vs Arlamowski, Edward — 1-0 — Schiavno Zdroj
1985 — Toth, Balazs vs Jansen, Albert — 1-0 — Badenweiler op
1986 — De la Torre, Martin Juan vs Rodriguez Fernandez, Fermin — 1-0 — Asturias
1988 — Gluck, Alwena vs Auer, Alexander — 1-0 — corr DDR
1989 — Gonzalez, Gerardo vs Garcia Caballero, Luis — 1-0 — Investronica