D33o - 6…Nf6 7.Bg2 cxd4 8.Nxd4 - QGD Tarrasch (1908)

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D33o — QGD Tarrasch (1908)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 cxd4 8.Nxd4
Les coups candidats
8…Bc5 — 66.5% (892 parties)
Ambassadeurs : Horvath, Dominik (9x), Dubov, Daniil (9x), Lysenko, Margarita (5x), Iturrizaga Bonelli, Eduardo (5x), Jensen, Allan Astrup (4x), Beerdsen, Thomas (4x), Campani, Paolo (4x), Tedesco, Matthew P (4x)
Ambassadeurs : Trussevich, Sergey (5x), Balkova, Anna (4x), Mindeguia Guruceaga, Juan Jesus (3x), Martin, Roger (2x), Henriksson, Jacob (2x), Kuchynka, Lubos (2x), Vukanovic, Sasa (2x), Oms Fuentes, Lluis (2x)
8…Bb4 — 7.5% (100 parties)
Ambassadeurs : Rodriguez Izquierdo, Benjamin (1x), Soto, Jesus (1x), Burwell, Raymond (1x), Stefanski, Mark E (1x), Mercadante, Ricardo Rodrigues (1x), Diniz, Roberto (1x), Lauer, Falk (1x), Bergelt, M (1x)
8…Qb6 — 7.4% (99 parties)
Ambassadeurs : Hughey, Micah (3x), Mikenas, Vladas (2x), Vetter, Udo (2x), Chemes, Luis (1x), Garcia, Horacio Pedro (1x), Palmer, Marvin (1x), Wheeler, Bill (1x), Szita, Bertold (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Bc5 8…Be7 8…Bb4 8…Qb6
<1800 85 58% 12% 16% 7%
1800-2200 552 61% 15% 11% 10%
2200-2600 539 77% 18% 1% 3%
2600+ 50 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…Bc5 8…Be7 8…Bb4 8…Qb6
1950s 10 60% — — 30%
1960s 6 33% — — 67%
1970s 8 50% 38% 12% —
1980s 36 31% 53% 11% 3%
1990s 100 18% 43% 19% 11%
2000s 204 21% 30% 17% 24%
2010s 277 51% 24% 12% 8%
2020s 700 95% 2% 1% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Bc5 51% 95% ▲ +43.9%
8…Be7 24% 2% ▼ -22.5%
8…Bb4 12% 1% ▼ -10.8%
8…Qb6 8% 2% ▼ -6.0%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
8…Bc5 — 66.5% (892 parties)
1956 — Smyslov, Vladimir vs Panno, Oscar — 1/2-1/2 — Amsterdam-Wch
1957 — Darga, Klaus vs Eisinger, Max Jr — 1/2-1/2 — FRG-ch Bad Neuenahr
1957 — Prokhorovich, Taras E vs Ravinsky, Grigory — 1-0 — Moscow RUS
1958 — Varnusz, Egon vs Lengyel, Levente — 1-0 — HUN-ch Budapest HUN
1958 — Wood, Baruch vs Dean, James — 1-0 — Leamington
8…Be7 — 15.4% (206 parties)
1977 — Padevsky, Nikola vs Rellstab, Ludwig — 1-0 — Hamburg GER
1979 — Vaganian, Rafael A vs Vooremaa, Andres — 1-0 — Tallinn EST
1979 — Adia Brown vs Skulsky, Ian R — 0-1 — Victoria
1980 — Petrik, Stanislav vs Cervenka, Imrich — 1/2-1/2 — Trnava SVK
1980 — Hergott, Deen vs Hamilton, Robert — 1/2-1/2 — Edmonton CAN
8…Bb4 — 7.5% (100 parties)
1979 — Lauer, Falk vs Bergelt, M — 1/2-1/2 — corr DDR-M
1984 — Mercadante, Ricardo Rodrigues vs Diniz, Roberto — 0-1 — Cabo Frio
1988 — Burwell, Raymond vs Stefanski, Mark E — 1/2-1/2 — Lansing ch-MI op
1989 — Rodriguez Izquierdo, Benjamin vs Soto, Jesus — 0-1 — Valladolid
1989 — Hladik Joseph vs Bluemel, Otto — 1-0 — ?
8…Qb6 — 7.4% (99 parties)
1957 — Shtrom, O. vs Mikenas, Vladas — 1/2-1/2 — Ashkhabad
1959 — Edwards, Ray B vs Wade, Robert G — 0-1 — York ch-BCF
1959 — Korchnoi, Viktor vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1960 — Szita, Bertold vs Mikenas, Vladas — 0-1 — Leningrad RUS
1966 — Chemes, Luis vs Garcia, Horacio Pedro — 1-0 — Buenos Aires ch-ARG