E54b - 8.Bxc4 - Main Line (1925)

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E54b — Main Line (1925)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4
Les coups candidats
Ambassadeurs : Bakheet Farag (28x), Kholmov, Ratmir D (26x), Portisch, Lajos (23x), Gligoric, Sofija (19x), Ribli, Zoltan (19x), Donner, Jan-Hein (18x), Unzicker, Ferdinand, Dr. (18x), Aadhitha Karikalan (16x)
Ambassadeurs : Salzmann, Stefan (22x), Kögeler, Aart (17x), Karpov, Anatoly (13x), Vaisser, Anatoli (13x), Portisch, Lajos (12x), Hildebrand, Gerald (12x), Isigkeit, Hans-Jürgen (11x), Polugaevsky, Lev (9x)
Ambassadeurs : Pomar Salamanca, Arturo (16x), Portisch, Lajos (14x), Lechtynsky, Jiri (14x), Donner, Jan-Hein (13x), Polugaevsky, Lev (13x), Aadhitha Karikalan (12x), Gligoric, Sofija (12x), Taimanov, Mark (9x)
8…b6 — 7.3% (528 parties)
Ambassadeurs : Donner, Jan-Hein (11x), Rapaka Samuel Paul (8x), Unzicker, Ferdinand, Dr. (8x), Szabo, Laszlo (8x), Bertholdt, Dieter (7x), Portisch, Lajos (7x), Evans, Larry (6x), Bak, Istvan (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Nbd7 8…cxd4 8…Nc6 8…b6
<1800 284 36% 36% 14% 9%
1800-2200 1969 35% 41% 12% 6%
2200-2600 3185 38% 32% 17% 6%
2600+ 358 34% 32% 19% 6%
Évolution par décennie (% des parties)
Décennie N parties 8…Nbd7 8…cxd4 8…Nc6 8…b6
1950s 212 50% 5% 16% 25%
1960s 577 35% 2% 14% 21%
1970s 513 33% 10% 31% 7%
1980s 362 49% 21% 10% 6%
1990s 545 44% 24% 12% 9%
2000s 1502 57% 27% 6% 4%
2010s 2406 37% 38% 13% 7%
2020s 1137 7% 60% 26% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Nbd7 37% 7% ▼ -30.2%
8…cxd4 38% 60% ▲ +21.6%
8…Nc6 13% 26% ▲ +13.6%
8…b6 7% 3% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 6 parties
Smyslov, Vladimir — 5 parties
Kasparov, Garry — 4 parties
Ju, Wenjun — 4 parties
Botvinnik, Mikhail — 3 parties
Ding, Liren — 3 parties
Karpov, Aleksandr — 2 parties
Gukesh D — 2 parties
Hou, Yifan — 1 partie
Parties historiques
8…Nbd7 — 37.4% (2714 parties)
1955 — Minev, Nikolay N vs Aadhitha Karikalan — 1/2-1/2 — Zagreb CRO
1955 — Udovcic, Mijo vs Aadhitha Karikalan — 1-0 — Zagreb CRO
1956 — Smyslov, Vasily vs Aadhitha Karikalan — 1/2-1/2 — Belgrade SRB
1956 — Middleton, Ian vs Aadhitha Karikalan — 0-1 — Moscow RUS
1956 — Pla, Orlando vs Weichselbaumer, Ernst — 1/2-1/2 — Moskou olm
8…cxd4 — 31.4% (2275 parties)
1950 — Heemskerk, Fenny vs Bykova, Elizaveta — 0-1 — Moscow RUS
1951 — Makogonov, Vladimir vs Kasparian, Genrikh — 0-1 — Baku AZE
1954 — Brat, Vaclav Dr vs Weiner, Milan — 1/2-1/2 — Jablonec nad Nisou
1955 — Panno, Oscar vs Petrosian, Tigran V. — 1/2-1/2 — Goteborg izt
1955 — Abanin, Vladimir vs Muhutdinov, Marat — 1/2-1/2 — Moscow RUS
8…Nc6 — 14.8% (1077 parties)
1951 — Ivkov, Borislav vs Aadhitha Karikalan — 0-1 — Sarajevo BIH
1951 — Germek, Milan vs Aadhitha Karikalan — 1/2-1/2 — Sarajevo BIH
1951 — Nikolac, Juraj vs Aadhitha Karikalan — 1-0 — Sarajevo BIH
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1/2-1/2 — San Salvador ESA
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1/2-1/2 — San Salvador ESA
8…b6 — 7.3% (528 parties)
1956 — Kollberg, Lothar vs Stief, Siegfried — 1/2-1/2 — Eisenach
1957 — Spassky, Boris Vasily vs Khasin, Abram — 1/2-1/2 — Moscow RUS
1957 — Furman, Semyon vs Abanin, Vladimir — 1-0 — Moskou ch-URS
1957 — Pakulla, Rudolf vs Bertholdt, Dieter — 0-1 — Soemmerda
1957 — Donner, Jan-Hein vs Hein-Olafsson, Fridrik — 1/2-1/2 — Wageningen zt