A34l — Symmetrical 3 Knights
1.c4 c5 2.Nc3 Nf6 3.Nf3 b6
Eval: [+0.47]
Les coups candidats
4.g3 — 49.4% (1789 parties)
Ambassadeurs : Rajkovic, Dusan (17x), Stangl, Markus (11x), Aroshidze, Levan (11x), Psakhis, Lev (10x), Kudrin, Sergey (10x), Espig, Lutz (10x), Marinkovic, Ivan (10x), Kovacevic, Slobodan (9x)
4.e4 — 25.6% (928 parties)
Ambassadeurs : Kudrin, Sergey (11x), Uhlmann, Wolfgang (11x), Rajkovic, Dusan (10x), Korchnoi, Viktor (9x), Suba, Mihai (9x), Yermolinsky, Alex (9x), Gheorghiu, Florin (7x), Quinteros, Miguel A. (6x)
4.d4 — 13.5% (490 parties)
Ambassadeurs : Gheorghiu, Florin (9x), Milanovic, Danilo (8x), Pogorelov, Ruslan (5x), Volodin, Viktor (5x), Stohl, Igor (4x), Seirawan, Yasser (3x), Deze, Anton (3x), Lerner, Konstantin Z (3x)
4.e3 — 10.6% (385 parties)
Ambassadeurs : Kudrin, Sergey (9x), Eingorn, Vereslav S (8x), Speelman, Jon S (6x), Kharitonov, Andrei V (5x), Chekhov, Valery A (4x), Goldberg, Alexander, Dr. (4x), Frey Beckman, Kenneth (4x), Ornstein, Axel (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.g3 4.e4 4.d4 4.e3
<1800 40 62% 10% 18% 10%
1800-2200 694 59% 19% 12% 9%
2200-2600 2491 47% 27% 14% 11%
2600+ 46 28% 41% 13% 17%
Évolution par décennie (% des parties)
Décennie N parties 4.g3 4.e4 4.d4 4.e3
1920s 3 67% 33%
1930s 6 67% 33%
1940s 2 50% 50%
1950s 2 100%
1960s 3 33% 67%
1970s 105 39% 31% 11% 18%
1980s 507 41% 29% 16% 13%
1990s 733 51% 26% 13% 10%
2000s 1114 49% 26% 14% 10%
2010s 1009 55% 22% 13% 10%
2020s 134 42% 29% 13% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.g3 55% 42% ▼ -13.2%
4.e4 22% 29% ▲ +7.3%
4.d4 13% 13% -0.2%
4.e3 10% 14% ▲ +4.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 7 parties
Kramnik, Vladimir — 5 parties
Smyslov, Vladimir — 4 parties
Kasparov, Garry — 4 parties
Hou, Yifan — 4 parties
Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 2 parties
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4.g3 — 49.4% (1789 parties)
1927 — Sarkozy, Balazs vs Takacs, Sandor — 1/2-1/2 — Kecskemet I
1928 — Van Hoorn, Peter vs Colle, Edgar — 1/2-1/2 — Amsterdam NED
1930 — Takacs, Sandor vs Sultan Khan, Mir — 1/2-1/2 — Hamburg olm
1931 — Yurgis, A. vs Botvinnik, Mikhail — 0-1 — Leningrad RUS
1937 — Lundin, Erik vs Andersen, Erik — 1/2-1/2 — Copenhagen DEN
4.e4 — 25.6% (928 parties)
1929 — Porath, Yosef vs Bluemich, Max — 0-1 — Duisburg
1955 — Najdorf, Miguel vs Reinhardt, Heinrich — 1-0 — Buenos Aires ARG
1959 — Cafferty, Bernard vs Hoad Philip Charles — 1/2-1/2 — British CCC
1960 — ? vs Berenstein, Alexander — 1-0 — Kiev UKR
1973 — Uhlmann, Wolfgang vs Ljubojevic, Ljubomir — 1-0 — Madrid ESP
4.d4 — 13.5% (490 parties)
1932 — Kevitz, Alexander vs Simonson, Albert — 1-0 — New York Marshall
1932 — Moritz, Bruno vs Mieses, Jacques — 0-1 — Swinemuende GER
1942 — Dobias, Josef vs Hromadka, Karel — 0-1 — Chocen
1967 — Smyslov, Vasily vs Botvinnik, Mikhail — 1/2-1/2 — Soviet Union
1967 — Smyslov, Vladimir vs Botvinnik, Mikhail — 1/2-1/2 — Moscow RUS
4.e3 — 10.6% (385 parties)
1973 — Myyra, Markku vs Pajarinen Sami — 0-1 — ?
1974 — Frey Beckman, Kenneth vs Campos Moreno, Javier B. — 1-0 — Guadalajara
1975 — Keene, Raymond D vs Andersson, Ulf — 1/2-1/2 — Rovinj-Zagreb
1975 — Vadasz, Laszlo vs Ribli, Zoltan — 1/2-1/2 — HUN
1976 — Vaganian, Rafael A vs Ornstein, Axel — 1/2-1/2 — Erevan ARM