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E11x — Exchange Variation
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+
Les coups candidats
Ambassadeurs : Andersson, Ulf (69x), Kholmov, Ratmir D (25x), Spassky, Boris Vasily (19x), Fedorchuk, Sergey A. (18x), Junge, Wolfgang (17x), ? (15x), Nikolic, Predrag (15x), Kosic, Dragan (15x)
Ambassadeurs : Andersson, Ulf (7x), ? (7x), Stevens, Michael (3x), Biliskov, Vjekoslav (3x), Lehmann, Heinz (2x), Saemisch, Friedrich (2x), Akakinci, Kerem (2x), Noradounghian, Georges (2x)
5.Nfxd2 — 0.7% (29 parties)
Ambassadeurs : Strobel, Norbert (2x), Winterfeldt, Steffen (2x), Lagane, Claude (1x), Noradounghian, Georges (1x), Lutz, Oliver (1x), Schorn, Christoph (1x), Meszaros, Attila (1x), Stiemer, Soenke (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Qxd2 5.Nbxd2 5.Nfxd2
<1800 426 52% 47% 1%
1800-2200 1564 63% 36% 1%
2200-2600 1555 86% 14% 0%
2600+ 191 93% 7% 1%
Évolution par décennie (% des parties)
Décennie N parties 5.Qxd2 5.Nbxd2 5.Nfxd2
1950s 38 58% 42%
1960s 52 67% 31% 2%
1970s 45 73% 27%
1980s 289 85% 15% 0%
1990s 601 73% 25% 1%
2000s 961 60% 39% 0%
2010s 1752 71% 28% 1%
2020s 615 77% 22% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Qxd2 71% 77% ▲ +5.4%
5.Nbxd2 28% 22% ▼ -5.9%
5.Nfxd2 1% 1% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Carlsen, Magnus — 7 parties
Kasparov, Garry — 4 parties
Tal, Mikhail — 3 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Ju, Wenjun — 2 parties
Kramnik, Vladimir — 2 parties
Gukesh D — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5.Qxd2 — 70.8% (3081 parties)
1950 — Fisk, Michael vs McEachern, Neil — 0-1 — Edmonton CAN
1950 — Napolitano, Mario vs Giustolisi, Alberto — 0-1 — Sorrento ch
1951 — Stahlberg, Gideon vs Donner, Jan-Hein — 1/2-1/2 — Birmingham ENG
1952 — Paulus, Joseph vs Pinson Henri — 1-0 — Charleville Mezieres
1952 — Giustolisi, Alberto vs Norcia, Federico — 1-0 — Salsomaggiore Terme
5.Nbxd2 — 28.6% (1243 parties)
1950 — Hagemann, Fritz vs Stappenbeck, Heinz — 0-1 — Detmold
1950 — Gattoni, Alberto Marco vs Romani, Armando — 0-1 — Milan ITA
1951 — Keller, Hans vs Romani, Elio — 1/2-1/2 — Reggio Emilia ITA
1951 — De Oliveira Fernande, William vs Ribeiro, Sabino Jr — 1/2-1/2 — Fortaleza BRA
1952 — Engalicev, Nicolas vs Giustolisi, Alberto — 1/2-1/2 — Salsomaggiore Terme
5.Nfxd2 — 0.7% (29 parties)
1965 — Lagane, Claude vs Noradounghian, Georges — 0-1 — Dunkerque
1987 — Lutz, Oliver vs Schorn, Christoph — 1/2-1/2 — St Ingbert
1990 — Al-Ghasra, Ali vs Shebsh, Abdullatif — 1-0 — Novi Sad SRB
1993 — Krobath, Werner vs Liebmann, Adrian — 1/2-1/2 — Graz AUT
1994 — Meszaros, Attila vs Stiemer, Soenke — 1/2-1/2 — Balatonbereny open