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A30a — Symmetrical (1911)
1.c4 c5 2.g3
Les coups candidats
Ambassadeurs : Poldauf, Dirk (23x), Adorjan, Andras (21x), Foisor, Ovidiu-Doru (21x), Gurevich, Valery M. (19x), Andersson, Ulf (19x), Larsen, Bent Ravn (18x), Seirawan, Yasser (16x), Beavan, Robert (16x)
2…Nc6 — 35.7% (6079 parties)
Ambassadeurs : Ulybin, Mikhail (15x), Thiede, Lars (15x), Willim, Michael (14x), Vaulin, Alexander P. (13x), Carlstedt, Jonathan (13x), De Firmian, Nick (12x), Spraggett, Kevin (12x), Keinanen, Toivo (12x)
2…Nf6 — 18.5% (3148 parties)
Ambassadeurs : Kovacevic, Slobodan (14x), Womacka, Mathias (11x), Borek, Jutta (9x), Turner, Radek (9x), Kolanek, Roman (7x), Cekro, Ekrem (6x), Niemi, Mikko (6x), Hillebrand, Carsten (6x)
2…e6 — 2.8% (483 parties)
Ambassadeurs : Hambleton, Aman (5x), Seirawan, Yasser (4x), Mandekic, Ivan (4x), Gostisa, Leon (3x), Boricsev, Oleg (3x), Vargas Diaz, David Alejandro (3x), Kovacs, Laszlo (2x), Alburt, Lev (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…g6 2…Nc6 2…Nf6 2…e6
<1800 1400 39% 32% 19% 5%
1800-2200 7281 39% 37% 20% 3%
2200-2600 6523 42% 37% 17% 2%
2600+ 294 73% 21% 5% 1%
Évolution par décennie (% des parties)
Décennie N parties 2…g6 2…Nc6 2…Nf6 2…e6
1950s 39 51% 31% 15%
1960s 159 57% 28% 14% 1%
1970s 218 51% 30% 17% 2%
1980s 557 48% 25% 23% 3%
1990s 1781 38% 32% 24% 4%
2000s 3981 38% 35% 21% 4%
2010s 7901 41% 38% 17% 2%
2020s 2409 45% 36% 15% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…g6 41% 45% ▲ +4.3%
2…Nc6 38% 36% ▼ -2.4%
2…Nf6 17% 15% ▼ -1.4%
2…e6 2% 2% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 10 parties
Tal, Mikhail — 6 parties
Gukesh D — 6 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 3 parties
Botvinnik, Mikhail — 2 parties
Ju, Wenjun — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
2…g6 — 40.9% (6975 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 — Miguel, Nahuel vs Botvinnik, Mikhail — 1/2-1/2 — Olympiad Moscow RUS
2…Nc6 — 35.7% (6079 parties)
1951 — Niephaus, Walter vs Bogoljubow, Efim — 1-0 — Augsburg GER
1954 — Petrosian, Tigran V. vs Bisguier, Arthur B — 1-0 — New York, NY USA
1954 — Raizman, Maurice vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
1955 — Sanguineti, Raúl Carlos vs Trifunovic, Petar — 1/2-1/2 — Buenos Aires ARG
1956 — Petrosian, Tigran A. vs Keres, Paul — 1-0 — Amsterdam NED
2…Nf6 — 18.5% (3148 parties)
1953 — Korchnoi, Viktor vs Goldberg, Grigory — 1-0 — Leningrad RUS
1955 — Averbakh, Yuri L vs Bannik, Anatolij — 1/2-1/2 — Voroshilovgrad
1956 — Popov, Vladimir L. vs Matthai, H. — 0-1 — Montreal CAN
1957 — Miguel, Nahuel vs Humerez Estrada, Cidar — 1/2-1/2 — Rio de Janeiro BRA
1958 — Smiltiner, Shlomo vs Van Den Broeck, Hans — 1-0 — Munich GER
2…e6 — 2.8% (483 parties)
1965 — Taimanov, Mark vs Kovacs, Laszlo — 1-0 — ?
1965 — Forintos, Gyozo V vs Kovacs, Laszlo — 1-0 — Budapest HUN
1977 — Wirthensohn, Heinz vs Calvo Minguez, Ricardo — 1-0 — Copenhagen DEN
1977 — Crouch, Colin S vs Webb, Simon — 0-1 — Piccadilly Hotel London
1978 — Ristoja, Aulikki vs Escondrillas, Rosalinda — 1-0 — Buenos Aires ARG