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A30a — Symmetrical (1956)
1.c4 c5 2.g3 g6
Les coups candidats
3.Bg2 — 95.9% (7076 parties)
Ambassadeurs : Poldauf, Dirk (23x), Adorjan, Andras (21x), Foisor, Ovidiu-Doru (21x), Gurevich, Valery M. (19x), Andersson, Ulf (19x), Larsen, Bent Ravn (17x), Seirawan, Yasser (16x), Beavan, Robert (16x)
Ambassadeurs : Tozer, Philip A (4x), Ryska, Jirí (3x), Suttles, Duncan (2x), Bukal, Vladimir Jr. (2x), Regiani, Rafael (2x), Kigigha, Bomo Lovet (2x), Smit, Frans P. (2x), Ruban, Evgeny (1x)
3.Nf3 — 1.0% (72 parties)
Ambassadeurs : Hennig, Dirk, Dr. (2x), Janz, Frerik (2x), Kaposztas, Miklos (2x), Raupp, Thomas (1x), Staller, Peter (1x), Agdestein, Simen (1x), Ftacnik, Lubomir (1x), Carvalho, Guillermo (1x)
3.d4 — 0.2% (14 parties)
Ambassadeurs : Maicherczyk, Georg (2x), Bronstein, David I (1x), Flesch, János (1x), Larsen, Bent Ravn (1x), Browne, Walter Shawn (1x), Toerber, Claus (1x), Ulrich, Heinz (1x), Ljubojevic, Ljubomir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Bg2 3.Nc3 3.Nf3 3.d4
<1800 574 94% 4% 2%
1800-2200 2982 96% 3% 1% 0%
2200-2600 2950 97% 2% 1% 0%
2600+ 225 100%
Évolution par décennie (% des parties)
Décennie N parties 3.Bg2 3.Nc3 3.Nf3 3.d4
1950s 21 95% 5%
1960s 96 96% 3% 1%
1970s 126 94% 6%
1980s 272 92% 4% 2% 2%
1990s 722 96% 2% 1% 1%
2000s 1556 96% 3% 1% 0%
2010s 3414 96% 3% 1% 0%
2020s 1168 97% 2% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Bg2 96% 97% ▲ +0.8%
3.Nc3 3% 2% ▼ -0.6%
3.Nf3 1% 1% -0.2%
3.d4 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Kramnik, Vladimir — 9 parties
Anand, Viswanathan — 7 parties
Gukesh D — 6 parties
Tal, Mikhail — 5 parties
Karpov, Anatoly — 4 parties
Botvinnik, Mikhail — 3 parties
Hou, Yifan — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
3.Bg2 — 95.9% (7076 parties)
1952 — Heinicke, Herbert vs Levy, Pascal — 1-0 — Helsinki olm
1955 — Averbakh, Yuri L vs Yakovlev, Dmitry Nikolaevich — 1-0 — Voroshilovgrad
1956 — Portisch, Lajos vs Pogats, Jozsef Jr. — 1/2-1/2 — Budapest HUN
1956 — Perez Perez, Francisco Jose vs Toran Albero, Roman — 1/2-1/2 — Barcelona ESP
1956 — Botvinnik, Mikhail vs Gligoric, Sofija — 1-0 — Moskou olm
3.Nc3 — 2.8% (206 parties)
1958 — Peterson, Andrejs vs Bastrikov, Georgy — 1-0 — Tashkent UZB
1962 — Grob, Henry vs Staehelin, Adolf — 1-0 — Zurich SUI
1965 — Ruban, Evgeny vs Moehring, Guenther — 1/2-1/2 — Berlin East
1967 — Geher, Jozsef vs Varnusz, Egon — 1-0 — Budapest HUN
1970 — Pankratov, Valery Vladimirovich vs Ljavdansky, Vladimir — 1-0 — Leningrad RUS
3.Nf3 — 1.0% (72 parties)
1983 — Grigorian, Karen vs Eingorn, Vereslav S — 1-0 — Minsk BLR
1985 — Carvalho, Guillermo vs Rey, Enrique — 1-0 — La Hora
1987 — Raupp, Thomas vs Staller, Peter — 1/2-1/2 — Kassel GER tt Baden-
1988 — Agdestein, Simen vs Ftacnik, Lubomir — 1/2-1/2 — Thessaloniki olm
1988 — Hennig, Dirk, Dr. vs Sorri, Kari Juhani — 0-1 — Berlin op Berlin-West
3.d4 — 0.2% (14 parties)
1966 — Bronstein, David I vs Flesch, János — 1/2-1/2 — Szombathely
1980 — Maicherczyk, Georg vs Toerber, Claus — 1/2-1/2 — Hamburg GER
1980 — Maicherczyk, Georg vs Ulrich, Heinz — 1-0 — Hamburg GER
1982 — Larsen, Bent Ravn vs Browne, Walter Shawn — 0-1 — Tilburg NED
1987 — Ljubojevic, Ljubomir vs Adorjan, Andras — 1/2-1/2 — Szirak izt