B48g - 6…a6 7.Qd2 [+0.38]

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B48g —
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2
Eval: [+0.38]
Les coups candidats
7…Nf6 — 93.1% (7748 parties)
Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (109x), Korneev, Oleg (38x), Movsesian, Sergei (34x), Geller, Jakov (29x), Macieja, Bartlomiej (27x), Motylev, Alexander (26x), Javakhishvili, Lela (26x), Perunovic, Milos (26x)
7…b5 — 4.1% (345 parties)
Ambassadeurs : Bocharov, Dmitry (10x), Nikolov, Sasho (9x), Navarro Molina, David (7x), Frolov, Artur (5x), Antoli Royo, Joaquin Miguel (5x), Maletin, Pavel (4x), Teran Alvarez, Ismael (3x), Short, Nigel D (3x)
7…Nxd4 — 0.9% (75 parties)
Ambassadeurs : Korneev, Oleg (4x), Maiwald, Jens-Uwe (4x), Ivanisevic, Ivan (3x), Teske, Henrik (3x), Anand, Viswanathan (2x), Gobet, Fernand (2x), Rajkovic, Dusan (2x), Duarte, Leonardo (2x)
7…Be7 — 0.8% (65 parties)
Ambassadeurs : Santos Ruiz, Miguel (5x), Chigaev, Maksim (5x), Banikas, Hristos (3x), Duchardt, Alexandre (3x), Kotronias, Vasilios (2x), Bukavshin, Ivan (2x), Tsydypov, Zhamsaran (2x), Rahul Srivatshav P (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nf6 7…b5 7…Nxd4 7…Be7
<1800 155 86% 8% — 1%
1800-2200 2319 92% 5% 1% 0%
2200-2600 5055 94% 3% 1% 1%
2600+ 365 92% 5% 0% 2%
Évolution par décennie (% des parties)
Décennie N parties 7…Nf6 7…b5 7…Nxd4 7…Be7
1960s 4 100% — — —
1970s 4 75% — — —
1980s 30 73% 17% 10% —
1990s 206 75% 19% 1% —
2000s 2480 90% 7% 2% —
2010s 4561 95% 2% 0% 1%
2020s 1035 95% 3% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nf6 95% 95% +0.1%
7…b5 2% 3% ▲ +1.2%
7…Nxd4 0% 0% -0.2%
7…Be7 1% 1% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
7…Nf6 — 93.1% (7748 parties)
1963 — Nikolic, Stanimir vs Parma, Bruno — 0-1 — Zenica ch YUG
1967 — Turi, Istvan vs Kovacs, Zoltan — 1-0 — Hungary CCC-8
1968 — Moore, B Dr vs Blackstone, John — 0-1 — Fresno, CA
1968 — Buczko, Abel vs Morris, Matthew — 1-0 — US Open
1970 — Murat, Tomasz vs Espig, Lutz — 0-1 — Lublin POL
7…b5 — 4.1% (345 parties)
1980 — Belle, Erika vs Savereide, Diane — 1/2-1/2 — La Valetta
1987 — Van der Wiel, John T.H. vs Aroni Zapata, Amir Alejandro — 1-0 — Amsterdam NED
1989 — Van Wely, Loek vs De Boer, Gert-Jan — 0-1 — Eindhoven NED
1989 — Frolov, Artur vs Landa, Konstantin — 1-0 — Jurmala LAT
1989 — Mamombe, Kudzanai vs David Zulu — 0-1 — Tunja wch-jr
7…Nxd4 — 0.9% (75 parties)
1988 — Anand, Viswanathan vs Gobet, Fernand — 1/2-1/2 — Biel SUI
1988 — Anand, Viswanathan vs Gobet, Fernand — 1/2-1/2 — Biel SUI
1989 — Winge, Stefan vs Akesson, Ralf — 0-1 — Sundsvall SWE
1997 — Carvalho, Celestino Jr vs Marques, Vinicius de Abreu — 1/2-1/2 — Sao Paulo BRA
1998 — Korneev, Oleg vs Barlov, Dragan — 1/2-1/2 — Corte Ingles op
7…Be7 — 0.8% (65 parties)
2012 — Ribés Colom, Josep M. vs Hrynovets, Igor — 1-0 — ICCF
2013 — Tsygankov, Evgeny Georgievich vs Zunkovic, Slavko — 1-0 — ICCF
2014 — Sutovsky, Emil vs Morozevich, Alexander — 0-1 — Poikovsky RUS
2014 — Kotronias, Vasilios vs Banikas, Hristos — 0-1 — Chania GRE
2014 — Kotronias, Vasilios vs Banikas, Hristos — 0-1 — Chania GRE