A31p — Symmetrical, Two Knights (1925)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 g6
Les coups candidats
Ambassadeurs : Andersson, Ulf (7x), Acebal Muniz, Antonio (7x), Schmidt, Wlodzimierz (7x), Geller, Efim P. (5x), Sarosy, Zoltan L (5x), Browne, Walter Shawn (5x), Eising, Johannes (5x), Solozhenkin, Evgeniy (5x)
6.g3 — 22.0% (1477 parties)
Ambassadeurs : Linqvist, Grels (6x), Gheorghiu, Florin (5x), Mikhalchishin, Adrian (5x), Jansa, Vlastimil (4x), Tukmakov, Vladimir B (3x), Pachman, Ludek (3x), Zilberman, Yaacov (3x), Patzer, Joachim (3x)
6.Nc2 — 5.9% (398 parties)
Ambassadeurs : Petrosian, Tigran V. (5x), Meier, Annemarie (5x), Korchnoi, Viktor (5x), Adamski, Jan (4x), Bak, Istvan (3x), Janosevic, Dragoljub (3x), Portisch, Lajos (3x), Benko, Pal (3x)
6.e3 — 2.9% (193 parties)
Ambassadeurs : Pershina, Elena (4x), Pomar Salamanca, Arturo (3x), Wolochowicz, Piotr (2x), Koberl, Ferenc (1x), Hajtun, Jozsef (1x), Sanner, Michel (1x), Derhy Menie Mbele Jean (1x), Sasseville, Jean (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.e4 6.g3 6.Nc2 6.e3
<1800 296 62% 19% 4% 5%
1800-2200 2909 65% 23% 4% 4%
2200-2600 2764 68% 22% 8% 1%
2600+ 54 72% 17% 11%
Évolution par décennie (% des parties)
Décennie N parties 6.e4 6.g3 6.Nc2 6.e3
1950s 26 62% 31% 4% 4%
1960s 101 52% 23% 22% 1%
1970s 265 70% 17% 9% 2%
1980s 277 65% 22% 8% 2%
1990s 1174 62% 26% 6% 3%
2000s 1937 66% 21% 5% 3%
2010s 2414 67% 21% 5% 3%
2020s 532 69% 21% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.e4 67% 69% ▲ +2.1%
6.g3 21% 21% ▼ -0.6%
6.Nc2 5% 6% ▲ +0.7%
6.e3 3% 2% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Ju, Wenjun — 4 parties
Hou, Yifan — 3 parties
Karpov, Anatoly — 2 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
6.e4 — 65.8% (4424 parties)
1951 — Laszlo, Csaba vs Koberl, Ferenc — 0-1 — ?
1952 — Fazekas, Stephan vs Chaude de Silans, Chantal — 1/2-1/2 — Southsea
1952 — Werner, Stephan vs Hellwig, Hannah M — 1/2-1/2 — Guetersloh
1954 — Vaitonis, Povilas vs Kremer, Paul — 1-0 — Amsterdam olm
1954 — Benkner, Otto vs Kupper, Josef — 1-0 — Amsterdam NED
6.g3 — 22.0% (1477 parties)
1952 — Casas Perea, Fernando vs Patt Rubinstein, Jacobo — 1-0 — Buenos Aires ARG
1953 — Udovcic, Mijo vs Eugenio, Sarah De Oliveira — 1-0 — Venice ITA
1956 — Dunkelblum, Arthur vs Van Hoorde, Edouard — 1-0 — Blankenberge
1956 — AGBOLO, Green Laureta vs Vasiljevic, Milos — 1-0 — Hastings ENG
1957 — Schmid, Lothar vs Castaldi, Vincenzo — 1-0 — Bern Bern SUI
6.Nc2 — 5.9% (398 parties)
1954 — Ricardo Enrique Morales Tejada vs Abdulrahman Maher Alhossaini — 0-1 — Amsterdam NED
1961 — Bisguier, Arthur B vs Levy, Louis — 1-0 — San Francisco, CA USA
1961 — Filchev, Rusko vs Piskov, Kamen Penev — 1/2-1/2 — Sofia BUL
1962 — Petrosian, Tigran V. vs Bak, Istvan — 1-0 — Stockholm SWE
1962 — Petrosian, Tigran V. vs Bak, Istvan — 1-0 — Stockholm izt
6.e3 — 2.9% (193 parties)
1958 — Koberl, Ferenc vs Hajtun, Jozsef — 1/2-1/2 — Budapest HUN
1967 — Sanner, Michel vs Derhy Menie Mbele Jean — 0-1 — Dieppe FRA
1970 — Ketis, Adolf vs Berry, Jonathan — 0-1 — Ontario CAN
1970 — Pomar Salamanca, Arturo vs Rogoff, Kenneth — 1-0 — Malaga ESP
1970 — Pomar Salamanca, Arturo vs Browne, Walter Shawn — 1/2-1/2 — Malaga ESP