E94h - 7…c6 8.Be3 - Donner (1956)

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E94h — Donner (1956)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O c6 8.Be3
Les coups candidats
8…exd4 — 57.1% (307 parties)
Ambassadeurs : Portisch, Lajos (4x), Kolev, Atanas (3x), Ducci, Roberto (3x), Sigurjonsson, Gudmundur (2x), Boersma, Paul (2x), Douven, Rudy (2x), Baixes, Pierre (2x), Tal, Mikhail (2x)
Ambassadeurs : Kozul, Zdenko (3x), Kottnauer, Cenek (2x), Donner, Jan-Hein (2x), Ivkov, Borislav (2x), Van der Sterren, Paul (2x), Siegl, Erich (2x), Holst, Conny (2x), Mohr, Georg (2x)
8…Na6 — 9.7% (52 parties)
Ambassadeurs : Orgovan, Sandor (2x), Lupik, Marina (2x), Delchev, Aleksander (2x), Tratar, Marko (2x), Tremblay, Sylvain (1x), Lesiege, Alexandre (1x), Nutu-Gajic, Daniela (1x), Xie, Jun (1x)
8…Ng4 — 9.1% (49 parties)
Ambassadeurs : Cacho Reigadas, Sergio (2x), Hernandez G, Juan Jose (2x), Maedler, Juergen, Dr. (1x), Salm, Maxwell (1x), Addison, Wiliam G (1x), Burger, PJ (1x), Rapaka Samuel Paul (1x), Fischer, Robert J (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…exd4 8…Nbd7 8…Na6 8…Ng4
<1800 11 55% 9% 9% 9%
1800-2200 113 35% 25% 10% 18%
2200-2600 319 62% 13% 11% 7%
2600+ 25 88% 4% 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 8…exd4 8…Nbd7 8…Na6 8…Ng4
1950s 3 — — — —
1960s 15 67% 20% — 13%
1970s 25 48% 36% — 8%
1980s 52 79% 17% — 2%
1990s 133 56% 16% 8% 12%
2000s 119 56% 14% 15% 6%
2010s 162 57% 12% 11% 11%
2020s 29 38% 14% 17% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…exd4 57% 38% ▼ -18.9%
8…Nbd7 12% 14% ▲ +1.4%
8…Na6 11% 17% ▲ +6.1%
8…Ng4 11% 10% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
8…exd4 — 57.1% (307 parties)
1962 — Olafsson, Fridrik vs Donner, Jan-Hein — 1-0 — Varna olm
1963 — Vaitonis, Povilas vs Yanofsky, Harry — 1/2-1/2 — Winnipeg CAN
1966 — Nei, Iivo vs Stein, Leonid — 1/2-1/2 — Tbilisi ch-URS
1967 — Haelewyck, Maxime vs Quednau, Hans-Joachim — 1-0 — corr ch4-DDR
1967 — Neamtu, Serban-Constantin vs Moehring, Guenther — 1/2-1/2 — Sofia BUL
8…Nbd7 — 15.4% (83 parties)
1968 — Kottnauer, Cenek vs Donner, Jan-Hein — 1/2-1/2 — Bad Aibling GER
1968 — Kottnauer, Cenek vs Donner, Jan-Hein — 1/2-1/2 — CB Cup Bad Aibling GER
1968 — Shamkovich, Leonid vs Ryts, J. — 1-0 — Kislovodsk
1970 — Aulin-Jansson, Joran vs Ree, Hans — 1-0 — Olympiad Siegen GER
1970 — Jannson vs Bak, Istvan — 1/2-1/2 — Stockholm SWE
8…Na6 — 9.7% (52 parties)
1991 — Hustert, Dirk vs Firnhaber, Ingo — 1/2-1/2 — Germany ch-23 prel-6
1991 — Orgovan, Sandor vs Antonsen, Mikkel — 0-1 — Spring op Budapest HUN
1992 — Tremblay, Sylvain vs Lesiege, Alexandre — 0-1 — Quebec CAN
1992 — Nutu-Gajic, Daniela vs Xie, Jun — 0-1 — Manila PHI
1992 — Orgovan, Sandor vs Tengely, Szabolcs — 1-0 — Budapest open
8…Ng4 — 9.1% (49 parties)
1968 — Maedler, Juergen, Dr. vs Salm, Maxwell — 1/2-1/2 — Wch7 sf2 corr
1969 — Addison, Wiliam G vs Burger, PJ — 1-0 — New York ch-USA
1970 — Rapaka Samuel Paul vs Fischer, Robert J — 1/2-1/2 — Herceg Novi MNE
1976 — Girault, Eric vs Lo Kim Lin, Frank — 1/2-1/2 — Groningen NED
1983 — Campelli, Cris vs Wall, Bill — 1/2-1/2 — ?