C05u - 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ngf3 Qb6 8.O-O - Tarrasch Closed Nunn-Korchnoi Gambit

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C05u — Tarrasch Closed Nunn-Korchnoi Gambit
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ngf3 Qb6 8.O-O
Eval: [+0.47]
Les coups candidats
8…cxd4 — 74.9% (1483 parties)
Ambassadeurs : Mihevc-Mohr, Narcisa (8x), Saltaev, Mihail (6x), Pergel, Laszlo (6x), Mar, Karmen (6x), Estrin, Yakov (5x), Voveris, Gediminas J (5x), ? (5x), Nunn, John D M (4x)
8…Be7 — 11.7% (232 parties)
Ambassadeurs : Arulaid, Alexander (3x), Raessler, Arndt (3x), Drygalov, Sergey (3x), Korzubov, Peter (2x), Smirin, Ilia (2x), Webbink, Dinand (2x), Hjartarson, Johann (2x), Krause, Ullrich (2x)
8…g6 — 11.1% (219 parties)
Ambassadeurs : Ratnakaran, K. (6x), Gleizerov, Evgeny (6x), Dittmar, Peter (4x), Anagnostopoulos, Dimitri (3x), Tkachiev, Vladislav (3x), Van den Doel, Erik (3x), Rasik, Vitezslav (3x), Dembo, Yelena (3x)
8…a5 — 1.2% (24 parties)
Ambassadeurs : Barua, Debashis (3x), Hossain, Enamul (2x), Estrin, Yakov (1x), Thiele, Erich (1x), Cernousek, Lukas (1x), Masek, Miroslav (1x), Tkachiev, Vladislav (1x), Bareev, Evgeny (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…cxd4 8…Be7 8…g6 8…a5
<1800 91 82% 12% 2% 2%
1800-2200 773 80% 11% 7% 1%
2200-2600 679 65% 13% 21% 2%
2600+ 16 50% 6% 31% 12%
Évolution par décennie (% des parties)
Décennie N parties 8…cxd4 8…Be7 8…g6 8…a5
1930s 2 50% 50% — —
1940s 2 100% — — —
1960s 18 61% 28% — 6%
1970s 54 89% 11% — —
1980s 148 74% 23% 1% —
1990s 339 62% 12% 24% —
2000s 617 71% 10% 16% 2%
2010s 691 83% 10% 5% 1%
2020s 110 82% 15% — 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…cxd4 83% 82% ▼ -1.4%
8…Be7 10% 15% ▲ +5.9%
8…g6 5% 0% ▼ -5.1%
8…a5 1% 3% ▲ +1.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…cxd4 — 74.9% (1483 parties)
1935 — Capablanca, Jose vs Del Valle Domenech, Rafael — 0-1 — sim C.Bridge- Barcel
1947 — Purdy, Cecil J S vs Klass Harry — 1-0 — Adelaide AUS
1947 — Abramov, Lev vs Petrosian, Tigran A. — 0-1 — Moscow RUS
1960 — Silberman Feldman, Gad vs Stecko, Artur — 1-0 — corr USSR
1964 — Shahzade vs Khuseinov, P — 1-0 — ?
8…Be7 — 11.7% (232 parties)
1938 — Pope, John vs Oettinger, Denis — 0-1 — Krakow POL
1968 — Fershter, A. vs Chistiakov, Alexander — 0-1 — Moscow RUS
1969 — Gipslis, Aivars vs Arulaid, Alexander — 1/2-1/2 — Tallinn EST
1969 — Gufeld, Eduard vs Arulaid, Alexander — 1-0 — Tallinn EST
1969 — Liberzon, Vladimir M vs Arulaid, Alexander — 0-1 — Tallinn EST
8…g6 — 11.1% (219 parties)
1989 — Maksimovic, Branimir vs Farago, Ivan — 0-1 — Copenhagen DEN
1991 — Saltaev, Mihail vs Nikolenko, Oleg — 0-1 — Rusland tt
1991 — Samer, M. Ibrahim vs Holzke, Frank — 1/2-1/2 — Budapest IM Budapest HUN
1992 — Schweda, Roland vs Bladikis, M. — 1-0 — Duisburg
1992 — Zahariev, Zahari vs Maksimovic, Branimir — 1/2-1/2 — Chania GRE
8…a5 — 1.2% (24 parties)
1968 — Estrin, Yakov vs Thiele, Erich — 1-0 — corr WER/K
2001 — Tkachiev, Vladislav vs Bareev, Evgeny — 1/2-1/2 — Montpellier FRA
2002 — Cernousek, Lukas vs Masek, Miroslav — 1-0 — Prague CZE
2002 — Hossain, Enamul vs Panchanathan, Magesh Chandran — 0-1 — Calcutta IND
2003 — Siegel, Georg vs Benitah, Yohan — 0-1 — EST