D27i - 7…Nc6 - QGA: Classical (1962)

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D27i — QGA: Classical (1962)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Bb3 Nc6
Les coups candidats
Ambassadeurs : Chukanov, Igor Anatolievich (14x), Guliyev, Namig (13x), Tregubov, Pavel V. (12x), Stevic, Hrvoje (11x), Romanishin, Oleg M (10x), Korchut, Adam (9x), Tkachiev, Vladislav (9x), Anand, Viswanathan (8x)
8.Qe2 — 31.0% (524 parties)
Ambassadeurs : Cvitan, Ognjen (8x), Gyimesi, Zoltan (6x), Volzhin, Alexander (5x), Petrosian, Arshak B (4x), Drasko, Milan (4x), Karpatchev, Aleksandr (4x), Sarakauskiene, Zivile (4x), Szeberenyi, Adam (4x)
8.dxc5 — 0.6% (10 parties)
Ambassadeurs : Karpatchev, Aleksandr (2x), Arduman, Can (1x), Molinaroli, Martin (1x), Rouanet, Luiz Paulo (1x), De Souza Haro, Paulo Cezar (1x), Grguric, Daria (1x), Kruljac, Petra (1x), Glembek, Bohumir (1x)
8.a3 — 0.4% (7 parties)
Ambassadeurs : Jovanic, Ognjen (1x), Stevic, Hrvoje (1x), Smit, Hendrik (1x), Moews, Thomas (1x), Bue, Gunnar (1x), Moen, Andreas G.R. (1x), Pushkov, Nikolai (1x), Vorobiov, Evgeny E. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Nc3 8.Qe2 8.dxc5 8.a3
<1800 45 80% 20% — —
1800-2200 477 69% 30% 1% 1%
2200-2600 1015 65% 33% 1% 0%
2600+ 63 79% 21% — —
Évolution par décennie (% des parties)
Décennie N parties 8.Nc3 8.Qe2 8.dxc5 8.a3
1960s 3 — 100% — —
1970s 1 — 100% — —
1980s 13 15% 85% — —
1990s 233 58% 41% 0% —
2000s 739 66% 32% 1% 1%
2010s 622 75% 24% 1% 0%
2020s 77 64% 32% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Nc3 75% 64% ▼ -11.1%
8.Qe2 24% 32% ▲ +8.4%
8.dxc5 1% 1% ▲ +0.7%
8.a3 0% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 9 parties
Karpov, Anatoly — 6 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
8.Nc3 — 67.6% (1141 parties)
1987 — Panczyk, Krzysztof vs Szymczak, Zbigniew — 1/2-1/2 — Jachranka
1988 — Boinowitz, Tammo vs Schlaeger, Uwe, Dr. — 1-0 — RLNS 8788
1990 — Obukhov, Alexander vs Meister, Jakob — 1/2-1/2 — Chelyabinsk RUS
1993 — Seul, Georg vs Roos, Thomas — 1-0 — Bonn
1994 — Petrosian, Arshak B vs Suetin, Alexey S — 1-0 — Yerevan Petrosian me
8.Qe2 — 31.0% (524 parties)
1962 — Filip, Miroslav vs Conrady, Alphonse — 1-0 — Varna olm
1963 — Botvinnik, Mikhail vs Petrosian, Tigran V. — 1/2-1/2 — Moskou wch-m
1965 — Benko, Pal vs Burger, PJ — 1-0 — New York ch-USA
1975 — Sprenger, Ernst Hendrik Dr vs Smeets, Pierre — 1-0 — cr.
1984 — Petrosian, Arshak B vs Gulko, Boris — 1-0 — Tashkent UZB
8.dxc5 — 0.6% (10 parties)
1997 — Arduman, Can vs Karpatchev, Aleksandr — 0-1 — Ankara TUR
2002 — Molinaroli, Martin vs Karpatchev, Aleksandr — 1/2-1/2 — Senden GER
2003 — Rouanet, Luiz Paulo vs De Souza Haro, Paulo Cezar — 1/2-1/2 — Sao Paulo BRA
2005 — Glembek, Bohumir vs Savu, Ionut — 1/2-1/2 — ICCF
2007 — Grguric, Daria vs Kruljac, Petra — 1/2-1/2 — Busevec
8.a3 — 0.4% (7 parties)
2000 — Pushkov, Nikolai vs Vorobiov, Evgeny E. — 1/2-1/2 — Korolev
2002 — Bue, Gunnar vs Moen, Andreas G.R. — 0-1 — Gausdal NOR
2002 — Mira, Helene vs Krivec, Jana — 1/2-1/2 — Varna BUL
2004 — Jovanic, Ognjen vs Stevic, Hrvoje — 1/2-1/2 — Pula CRO
2004 — Smit, Hendrik vs Moews, Thomas — 1/2-1/2 — ?