A37s — Symmetrical (1956)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.d3
Les coups candidats
Ambassadeurs : Polgar, Judit (5x), Wedberg, Tom (5x), Eperjesi, Laszlo Dr. (5x), Jirovsky, Pavel (5x), Anay Barche (4x), De Firmian, Nick (4x), Rodriguez Aguilera, Antonio (4x), Skatchkov, Pavel (4x)
6…d6 — 18.6% (490 parties)
Ambassadeurs : Schmidt, Wlodzimierz (3x), Wedberg, Tom (3x), Jakobsen, Ole (2x), De Firmian, Nick (2x), Mantsinov, Bagma (2x), Ouaret, Abdelouhab (2x), Lopez Capape, Armando (2x), Jakubowski, Krzysztof (2x)
6…h6 — 1.1% (28 parties)
Ambassadeurs : Girona Campi, Joan (1x), Pamies Martinez, Lluis Enric (1x), Valiente, Cristobal (1x), Lida, Fidel Ernesto (1x), Boden, Daniel (1x), Schinkowski, Christoph (1x), Haessel, Dale R. (1x), Hladek, David (1x)
6…Nf6 — 0.5% (12 parties)
Ambassadeurs : Olf, Hans-Helmut (1x), Ruthenberg, Helmut (1x), Le Minh Quang (1x), Nguyen, Thanh Trung (1x), Lowe Phil (1x), White, Gary (1x), Khaziyeva, Dinara (1x), Benggawan, Amanda (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nge7 6…d6 6…h6 6…Nf6
<1800 129 85% 11% 2% 2%
1800-2200 1205 82% 16% 1% 1%
2200-2600 1058 76% 24% 1%
2600+ 35 63% 37%
Évolution par décennie (% des parties)
Décennie N parties 6…Nge7 6…d6 6…h6 6…Nf6
1950s 6 67% 33%
1960s 29 90% 7%
1970s 49 92% 8%
1980s 98 81% 18% 1%
1990s 338 80% 18% 1% 0%
2000s 756 78% 20% 1% 0%
2010s 1032 80% 17% 1% 0%
2020s 328 75% 23% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nge7 80% 75% ▼ -5.4%
6…d6 17% 23% ▲ +5.4%
6…h6 1% 1% +0.1%
6…Nf6 0% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6…Nge7 — 79.4% (2094 parties)
1956 — Christian Fernandes vs Boutteville, Cesar — 0-1 — Paris FRA
1957 — Gurgenidze, Bukhuti vs Stoliar, Efim Samoilovich — 1/2-1/2 — Moscow RUS
1959 — Ujtelky, Maximilián Samuel Rudolf vs Honfi, Karoly — 1/2-1/2 — Balatonfured
1959 — Mikenas, Vladas vs Gipslis, Aivars — 1-0 — Riga LAT
1960 — Wotulo, Max vs Bobotsov, Milko G — 0-1 — Leipzig GER
6…d6 — 18.6% (490 parties)
1956 — Parak, Frantisek vs Holas, Josef — 1-0 — Podebrady CZE
1959 — Golombek, Harry vs Winser, William Arthur — 1-0 — Hastings ENG
1961 — Bernstein, Sidney vs Byrne, David — 0-1 — New York ch-USA
1966 — Etruk, Rein T vs Vasiukov, Evgeni — 1/2-1/2 — Moscow RUS
1970 — Liebert, Heinz vs Barczay, Laszlo — 0-1 — Kapfenberg etc
6…h6 — 1.1% (28 parties)
1991 — Valiente, Cristobal vs Lida, Fidel Ernesto — 1-0 — Buenos Aires Konex op
1994 — Girona Campi, Joan vs Pamies Martinez, Lluis Enric — 1-0 — Tarragona
2000 — Haessel, Dale R. vs Hladek, David — 0-1 — Vancouver BC CAN
2002 — Boden, Daniel vs Schinkowski, Christoph — 0-1 — Kiel GER
2006 — Marco Catala, Juan Bautista vs Del Castillo Olivares Rei, Alfonso — 0-1 — Cullera
6…Nf6 — 0.5% (12 parties)
1988 — Olf, Hans-Helmut vs Ruthenberg, Helmut — 1/2-1/2 — GER
1995 — Le Minh Quang vs Nguyen, Thanh Trung — 1-0 — Hanoi
2000 — Lowe Phil vs White, Gary — 1-0 — ?
2004 — Khaziyeva, Dinara vs Benggawan, Amanda — 1-0 — Toronto CAN
2009 — Deville, Olivier vs Garon, Pierre — 0-1 — Loire