D60e - 7…b6 - Orthodox, Botvinnik (1900)

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D60e — Orthodox, Botvinnik (1900)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Bd3 b6
Les coups candidats
8.O-O — 49.4% (327 parties)
Ambassadeurs : Meijers, Viesturs (8x), Roggon, Jacob (2x), Turi, Istvan (2x), Alves, Francisco H B Severino (1x), Rocha, Antonio (1x), Daamen, Ferry (1x), Van de Haar, P. (1x), Kuhlmann, Andreas (1x)
8.cxd5 — 39.3% (260 parties)
Ambassadeurs : Meijers, Viesturs (6x), Raich Valle, Domingo Arturo (2x), Cobo Arteaga, Eldis (1x), Thomson, Alexander Aird (1x), Santiago, Bertault (1x), Alvarez Tostado Rocha, Benjamin A (1x), Vinke, G. (1x), Walz, Hannes (1x)
8.Qc2 — 4.8% (32 parties)
Ambassadeurs : Warnk, Torsten (2x), Morosov, Irina (1x), Martin, Anne P. (1x), Poon, Nick (1x), Rose, Allinta (1x), Mathioudakis, Diana (1x), Bonnet, William (1x), Cifka, Stanislav (1x)
8.Rc1 — 3.3% (22 parties)
Ambassadeurs : Mai, Iris (1x), Hobusch, Cornelia (1x), Mohrlock Simone (1x), Grunow, Carmen (1x), Jurado Perez, Olvier (1x), Lozano Moreno, Francisco Javier (1x), Molero Tejada, Santiago (1x), Valldeoriola Puigdollers, Agusti (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.cxd5 8.Qc2 8.Rc1
<1800 107 41% 38% 9% 8%
1800-2200 317 50% 40% 3% 3%
2200-2600 53 47% 51% — —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.cxd5 8.Qc2 8.Rc1
1960s 2 50% 50% — —
1970s 7 43% 43% — 14%
1980s 20 35% 60% 5% —
1990s 165 53% 35% 4% 3%
2000s 246 51% 37% 4% 4%
2010s 197 45% 43% 7% 3%
2020s 25 56% 40% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 45% 56% ▲ +10.8%
8.cxd5 43% 40% ▼ -3.1%
8.Qc2 7% 0% ▼ -7.1%
8.Rc1 3% 0% ▼ -2.5%
Parties historiques
8.O-O — 49.4% (327 parties)
1964 — Alves, Francisco H B Severino vs Rocha, Antonio — 0-1 — Brasilia BRA
1970 — Primavera, Giuseppe vs Romani, Elio — 1-0 — Sottomarina ITA
1970 — Popov, Luben vs Velikov, Petar — 1-0 — Sofia BUL
1979 — Daamen, Ferry vs Van de Haar, P. — 1/2-1/2 — Dieren NED
1980 — Van Wieringen, Jan vs Nijboer, Friso — 1-0 — Dieren NED
8.cxd5 — 39.3% (260 parties)
1964 — Cobo Arteaga, Eldis vs Thomson, Alexander Aird — 1-0 — Tel Aviv ISR
1971 — Sanguinetti, Raul vs Carbone, Jose — 1-0 — Villa Gesell ARG
1977 — Averbakh, Yuri L vs Wirthensohn, Heinz — 1/2-1/2 — Reggio Emilia ITA
1979 — Estevez De La Pena, Guillermo Santiago vs Gutierrez Herrera, Jose Antonio — 0-1 — Cienfuegos City CUB
1980 — Polovina, Nenad vs Petrovic, Djordje B — 1-0 — ?
8.Qc2 — 4.8% (32 parties)
1982 — Morosov, Irina vs Martin, Anne P. — 0-1 — Melbourne AUS
1993 — Kocmal, Jaroslav vs Warnk, Torsten — 1-0 — Bratislava SVK
1994 — Knaak, Joachim vs Apitz, Andreas — 1-0 — GER
1996 — Poon, Nick vs Rose, Allinta — 1-0 — Gold Coast AUS
1996 — Grasser, Stefan vs Schlereth, Bernhard — 1/2-1/2 — ?
8.Rc1 — 3.3% (22 parties)
1978 — Mai, Iris vs Hobusch, Cornelia — 1-0 — Torgelow
1996 — Molero Tejada, Santiago vs Valldeoriola Puigdollers, Agusti — 0-1 — Centelles
1996 — Gerst, C vs Hagendorf, Christian — 1-0 — Bonn
1997 — Mohrlock Simone vs Grunow, Carmen — 1/2-1/2 — ?
1997 — Jurado Perez, Olvier vs Lozano Moreno, Francisco Javier — 1-0 — Pasao