D88f - 12.Bd3 - Classical Exchange, Main Line (1940)

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D88f — Classical Exchange, Main Line (1940)
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 — 50.9% (700 parties)
Ambassadeurs : Banas, Jan (8x), Knaak, Rainer (5x), Rantanen, Veikko (5x), Mallee, Ralph (4x), Lukacs, Peter (4x), Krueger, Hilmar (4x), Polacik, Igor (4x), Benne, Horst (3x)
12…Nc6 — 18.2% (250 parties)
Ambassadeurs : Witkowski, Stefan (25x), Sliwa, Bogdan (5x), Kirov, Nino (5x), Gligoric, Svetozar (5x), Bernal Varela, Nelson (5x), Yanofsky, Daniel Abraham (4x), Collobiano, Alberto (4x), Barden, Leonard (3x)
12…Be6 — 11.7% (161 parties)
Ambassadeurs : Huguet Reina, Carlos (3x), Annakov, Babakuli (2x), Volosin, Leon (2x), Ibanez, Jean-Louis (2x), Naumkin, Igor (2x), Griffiths, Peter C (1x), Lee, PT. (1x), Steen, Hector (1x)
12…Bg4 — 10.6% (146 parties)
Ambassadeurs : Vetter, Gerhard (5x), Simic, Radoslav K (2x), Aigmueller, Max Ing (2x), Majewski, Jan (2x), Dorochenko, M. (1x), Finogeev, E. (1x), Steiner, Herman (1x), Aleman Munoz Jorge Luis (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 77 52% 12% 22% 9%
1800-2200 637 50% 14% 13% 11%
2200-2600 291 57% 21% 10% 7%
2600+ 5 60% 20% — 20%
Évolution par décennie (% des parties)
Décennie N parties 12…b6 12…Nc6 12…Be6 12…Bg4
1950s 49 16% 63% 6% 6%
1960s 37 41% 38% 11% 3%
1970s 94 60% 21% 5% 9%
1980s 117 64% 19% 4% 11%
1990s 278 55% 10% 11% 14%
2000s 371 52% 12% 13% 13%
2010s 378 48% 19% 16% 8%
2020s 51 41% 33% 10% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…b6 48% 41% ▼ -6.4%
12…Nc6 19% 33% ▲ +14.3%
12…Be6 16% 10% ▼ -6.3%
12…Bg4 8% 6% ▼ -2.1%
Parties historiques
12…b6 — 50.9% (700 parties)
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, Mohammadreza vs Campomanes, Florencio — 0-1 — Moscow RUS
1956 — Bak, Istvan vs Luczynowicz, Waclaw — 1-0 — Warsaw POL
1957 — Donovan, Jeremiah vs Santasiere, Anthony — 1/2-1/2 — Cleveland, OH USA
12…Nc6 — 18.2% (250 parties)
1950 — Gligoric, Svetozar vs Skold, Kristian — 1-0 — Dubrovnik olm
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
1952 — Toth, Vince vs De Souza Mendes, Joao — 1/2-1/2 — Rio de Janeiro BRA
12…Be6 — 11.7% (161 parties)
1950 — Enevoldsen, Harald vs Flores, Ranz Kirby Anthony — 0-1 — Dubrovnik olm
1952 — Jimenez Zerquera, Eleazar vs Prins, Lodewijk — 1/2-1/2 — Havana CUB
1955 — Joyner, Lionel vs Jursevskis, Miervaldis — 1/2-1/2 — Ottawa CAN
1965 — Sanner, Michel vs Huguet, Bernard — 0-1 — Dunkerque
1966 — Griffiths, Peter C vs Lee, PT. — 1-0 — ?
12…Bg4 — 10.6% (146 parties)
1951 — Pafnutiff, Vladimir vs Dake, Arthur William — 1/2-1/2 — San Francisco, CA USA
1952 — Steiner, Herman vs Aleman Munoz Jorge Luis — 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