D88f - 11.cxd4 Na5 12.Bd3 - Classical Exchange Main Line

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D88f — Classical Exchange Main Line
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 cxd4 11.cxd4 Na5 12.Bd3
Les coups candidats
12…b6 — 50.5% (695 parties)
Ambassadeurs : Banas, Jan (8x), Knaak, Rainer (5x), Bobel, Philippe (5x), Mallee, Ralph (4x), Lukacs, Peter (4x), Willberg, Frank (4x), Boehme, Sebastian (4x), Bijlsma, Nick (4x)
12…Nc6 — 18.2% (251 parties)
Ambassadeurs : Witkowski, Stefan (20x), Bernal Varela, Nelson (8x), Sliwa, Bogdan (5x), Kirov, Nino (5x), Yanofsky, Daniel Abraham (4x), Gligoric, Svetozar (4x), Joachimsthaler, Karl (4x), Collobiano, Alberto (4x)
12…Be6 — 12.1% (166 parties)
Ambassadeurs : Huguet Reina, Carlos (3x), Pedersen, Eigil (2x), Poulsen, Christian (2x), Hislop, Allan Thomas (2x), Bird, Andrew (2x), Annakov, Babakuli (2x), Volosin, Leon (2x), Ibanez, Jean-Louis (2x)
12…Bg4 — 10.5% (145 parties)
Ambassadeurs : Vetter, Gerhard (5x), Majewski, Jan (3x), Aigmueller, Max Ing (2x), Dorochenko, M. (1x), Finogeev, E. (1x), Steiner, Herman (1x), Aguilar Aleman, Diego Ignacio (1x), Pafnutiff, Vladimir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…b6 12…Nc6 12…Be6 12…Bg4
<1800 42 50% 2% 31% 12%
1800-2200 543 48% 15% 15% 10%
2200-2600 312 55% 23% 10% 7%
2600+ 6 67% 17% — 17%
Évolution par décennie (% des parties)
Décennie N parties 12…b6 12…Nc6 12…Be6 12…Bg4
1940s 9 22% 11% 56% —
1950s 49 16% 63% 6% 6%
1960s 37 41% 38% 11% 3%
1970s 95 59% 22% 5% 8%
1980s 115 65% 18% 4% 10%
1990s 278 55% 10% 11% 14%
2000s 369 52% 12% 13% 13%
2010s 376 47% 19% 16% 8%
2020s 48 38% 35% 10% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…b6 47% 38% ▼ -9.8%
12…Nc6 19% 35% ▲ +16.3%
12…Be6 16% 10% ▼ -5.8%
12…Bg4 8% 6% ▼ -1.7%
Parties historiques
12…b6 — 50.5% (695 parties)
1940 — Lisitsin, Georgy vs Mikenas, Vladas — 1-0 — Ch URS Moscow RUS
1949 — Gentil Junior, Luiz vs Adail Gondim, Jose — 1-0 — Rio de Janeiro BRA
1951 — Troianescu, Octav vs Molnar, Imre — 1/2-1/2 — Bucharest ROU
1952 — Kramer, Hanspeter vs Yanofsky, Daniel Abraham — 0-1 — Beverwijk NED
1956 — Mostafavi mendi, Mehdi vs Campomanes, Florencio — 0-1 — Moskou olm
12…Nc6 — 18.2% (251 parties)
1949 — Simagin, Vladimir vs Fridstein, German — 1/2-1/2 — Moscow RUS
1950 — Gligorić, Svetozar vs Skold, Kristian — 1-0 — Dubrovnik CRO
1951 — Barden, Leonard vs Yanofsky, Daniel Abraham — 1/2-1/2 — Hastings ENG
1951 — Barden, Leonard vs Yanofsky, Daniel Abraham — 1/2-1/2 — Hastings ENG
1951 — Barden, Leonard vs Yanofsky, Daniel Abraham — 1/2-1/2 — Hastings ENG
12…Be6 — 12.1% (166 parties)
1944 — Sokolsky, Alexey vs Tolush, Alexander — 1-0 — ?
1944 — Bird, Andrew vs Hislop, Allan Thomas — 1-0 — ENG/S ch corr
1949 — Dussaubat Pedersen, Nelson Cristian vs Damgaard Poulsen, Albert — 1-0 — Copenhagen DEN
1949 — Pedersen, Eigil vs Poulsen, Christian — 1-0 — Copenhagen DEN
1949 — Pedersen, Eigil vs Poulsen, Christian — 1-0 — Copenhagen DEN
12…Bg4 — 10.5% (145 parties)
1951 — Pafnutiff, Vladimir vs Dake, Arthur William — 1/2-1/2 — San Francisco, CA USA
1952 — Steiner, Herman vs Aguilar Aleman, Diego Ignacio — 1-0 — Havana CUB
1957 — Dorochenko, M. vs Finogeev, E. — 1-0 — ?
1965 — Treybal, Dusan vs Pribyl, Josef — 0-1 — Klasterec nad Orlici
1972 — Vaganian, Rafael A vs Mukhin, Evgeny B — 0-1 — Moscow RUS