B09k — Austrian (1962)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.e5
Les coups candidats
7…dxe5 — 91.9% (2271 parties)
Ambassadeurs : Nývlt, Zdenek (26x), Tarmak, Mart (20x), Donner, Jan-Hein (14x), Vadasz, Laszlo (14x), Etruk, Rein T (13x), Keene, Raymond D (12x), Botterill, George S. (9x), Klovans, Janis (9x)
7…Nd7 — 3.2% (80 parties)
Ambassadeurs : Degterev, Pavel (12x), Siegl, Erich (3x), Kadonas, Kestutis (3x), Schirmer, Michael (2x), Korosparti, Sandor (2x), Schön, Antoni (2x), Peretz, Malkiel (1x), Ortega, Rogelio (1x)
7…Ne8 — 2.9% (72 parties)
Ambassadeurs : Lechtynsky, Jiri (5x), Cuijpers, Frans Andre (2x), Botvinnik, Mikhail (2x), Scholz, Guillermo (2x), Ryc, Ivo (1x), Kubicek, Antonin (1x), Jansa, Vlastimil (1x), Ozsvath, Andras (1x)
7…Ng4 — 1.3% (31 parties)
Ambassadeurs : Michalet, Guy (1x), Todorcevic Antic, Miodrag (1x), Sax, Gyula (1x), Vadasz, Laszlo (1x), Carvalho, Herbert Abreu (1x), Van Riemsdijk, Herman C. (1x), Polgar, Istvan (1x), Toth, Bela (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…dxe5 7…Nd7 7…Ne8 7…Ng4
<1800 109 94% 5% 2%
1800-2200 815 91% 4% 3% 2%
2200-2600 979 93% 3% 2% 1%
2600+ 19 89%
Évolution par décennie (% des parties)
Décennie N parties 7…dxe5 7…Nd7 7…Ne8 7…Ng4
1960s 71 93% 1% 6%
1970s 319 95% 1% 3% 1%
1980s 211 95% 0% 4% 0%
1990s 411 92% 1% 5% 1%
2000s 467 87% 5% 5% 3%
2010s 787 92% 5% 1% 1%
2020s 204 95% 2% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…dxe5 92% 95% ▲ +2.5%
7…Nd7 5% 2% ▼ -2.9%
7…Ne8 1% 0% -0.3%
7…Ng4 1% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
7…dxe5 — 91.9% (2271 parties)
1962 — Ankerst, Mihael vs Udovcic, Mijo — 0-1 — Vrnjacka Banja SRB
1963 — Matulovic, Milan vs Balcerowski, Witold — 1/2-1/2 — Polanica Zdroj POL
1963 — Bojkovic, Slobodan vs Zwaig, Arne — 1/2-1/2 — Vrnjacka Banja SRB
1963 — Gufeld, Eduard vs Polugaevsky, Lev — 1/2-1/2 — Leningrad ch-URS
1964 — Zuidema, Coen vs Balcerowski, Witold — 1/2-1/2 — Tel Aviv olm
7…Nd7 — 3.2% (80 parties)
1968 — Peretz, Malkiel vs Ortega, Rogelio — 0-1 — Lugano olm
1971 — Formanek, Edward vs Waterman, Dennis — 1/2-1/2 — Ventura
1971 — Alvin Jones vs Klein, Robert — 1-0 — Lone Pine, CA USA
1979 — Kunzelmann, Fred Dr vs Lange, Johannes Friedrich — 1-0 — ?
1983 — Welz, Christian vs Lange, Aleksander — 1-0 — corr DDR/K
7…Ne8 — 2.9% (72 parties)
1966 — Cuijpers, Frans Andre vs Botvinnik, Mikhail — 0-1 — It (a)
1966 — Cuijpers, Frans Andre vs Botvinnik, Mikhail — 0-1 — It, Amsterdam
1967 — Ryc, Ivo vs Kubicek, Antonin — 1-0 — Bratislava SVK
1968 — Jansa, Vlastimil vs Ozsvath, Andras — 1-0 — Moscow RUS
1970 — Klovans, Janis vs Vadasz, Laszlo — 1-0 — Budapest HUN
7…Ng4 — 1.3% (31 parties)
1970 — Sax, Gyula vs Vadasz, Laszlo — 1-0 — HUN
1970 — Polgar, Istvan vs Toth, Bela — 1-0 — Budapest HUN
1973 — Michalet, Guy vs Todorcevic Antic, Miodrag — 0-1 — Messery
1973 — Carvalho, Herbert Abreu vs Van Riemsdijk, Herman C. — 1/2-1/2 — Salvador BRA
1980 — Schenning, Albert vs Van der Linden, Bert — 1-0 — NLD-ch H corr