E05b - 6.Nc3 - Open, Classical (1967)

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E05b — Open, Classical (1967)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.Nc3
Les coups candidats
Ambassadeurs : ColdWar (6x), Aadhya Bala (2x), Singer, Christoph (2x), Davtyan, Artur (2x), Alexander Tadala (1x), Keres, Paul (1x), Miguel, Nahuel (1x), Rossetto, Hector (1x)
6…c5 — 11.4% (24 parties)
Ambassadeurs : Gonzalez, Oscar Miguel Angel (1x), Arranz Calvo, Andres (1x), Sosonko, Gennadi (1x), Radashkovich, Itchak (1x), Hvitved, Thomas (1x), Jensen, Mads (1x), Tsesarsky, Ilya (1x), Zak, Uriel (1x)
6…Nbd7 — 9.5% (20 parties)
Ambassadeurs : Boensch, Uwe (2x), Pashikian, Arman (2x), Docx, Stefan (1x), Da Ces, Philippe (1x), Almasi, Istvan (1x), Mikhalevski, Alexander (1x), Smejkal, Jan (1x), Hladik Joseph (1x)
6…Nc6 — 5.7% (12 parties)
Ambassadeurs : ColdWar (1x), sasachess (1x), Loetscher, Roland (1x), Baramidze, David (1x), Stupak, Kirill (1x), Kravtsiv, Martyn (1x), Donchenko, Anatoly (1x), Bartels, Holger (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…O-O 6…c5 6…Nbd7 6…Nc6
<1800 11 73% 9% 9% —
1800-2200 67 60% 10% 9% 4%
2200-2600 89 58% 13% 13% 8%
2600+ 9 89% 11% — —
Évolution par décennie (% des parties)
Décennie N parties 6…O-O 6…c5 6…Nbd7 6…Nc6
1950s 2 100% — — —
1960s 3 33% — — —
1970s 3 67% 33% — —
1980s 9 89% 11% — —
1990s 26 50% 8% 31% —
2000s 47 64% 9% 2% 9%
2010s 70 67% 9% 11% 4%
2020s 51 49% 20% 6% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…O-O 67% 49% ▼ -18.1%
6…c5 9% 20% ▲ +11.0%
6…Nbd7 11% 6% ▼ -5.5%
6…Nc6 4% 10% ▲ +5.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Parties historiques
6…O-O — 60.7% (128 parties)
1955 — Alexander Tadala vs Keres, Paul — 0-1 — Parnu EST
1956 — Filip, Miroslav vs Pilnik, Herman — 0-1 — Marianske Lazne/Praha
1964 — Miguel, Nahuel vs Rossetto, Hector — 1/2-1/2 — Buenos Aires ARG
1971 — Letic, Stevan vs Weiner, Milan — 1-0 — Finjub-10 7174
1977 — Kortchnoi, V. vs Petrosian, Tigran A. — 1/2-1/2 — Il Ciocco cm qf
6…c5 — 11.4% (24 parties)
1970 — Sosonko, Gennadi vs Radashkovich, Itchak — 1-0 — Leningrad RUS
1986 — Gonzalez, Oscar Miguel Angel vs Arranz Calvo, Andres — 1-0 — Valladolid
1993 — Hvitved, Thomas vs Jensen, Mads — 0-1 — Denmark
1997 — Tsesarsky, Ilya vs Zak, Uriel — 1-0 — Rishon Le Ziyyon
2002 — Malezkey, Vladimir vs Telelyaev, Alexandr — 0-1 — ?
6…Nbd7 — 9.5% (20 parties)
1992 — Smejkal, Jan vs Boensch, Uwe — 1/2-1/2 — Munchen open
1992 — Schlinkert, Karl vs Ratzmer, Ingo — 1/2-1/2 — OLNW
1993 — Hladik Joseph vs Lobzhanidze, Davit — 1/2-1/2 — ?
1993 — Wirthensohn, Heinz vs Boensch, Uwe — 1/2-1/2 — Graz zt
1993 — Micheel, Bernd vs Ratzmann, Stefan — 1-0 — OLNW
6…Nc6 — 5.7% (12 parties)
2002 — Loetscher, Roland vs Baramidze, David — 1/2-1/2 — Augsburg GER
2003 — ColdWar vs sasachess — 1-0 — MasterChessGames.com
2004 — Stupak, Kirill vs Kravtsiv, Martyn — 1/2-1/2 — ?
2004 — Donchenko, Anatoly vs Bartels, Holger — 1-0 — Bad Zwesten GER
2010 — bowi vs Abcda — 1-0 — MasterChessGames.com