A37c — Symmetrical (1927)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nh6
Les coups candidats
Ambassadeurs : Gheorghiu, Florin (5x), Reuben, Stewart (4x), Milos, Gilberto (3x), Cifuentes Parada, Roberto (3x), Bukal, Vladimir Jr. (2x), Damjanovic, Mato (2x), Van der Wiel, John T.H. (2x), Perez Garcia, Rodney Oscar (2x)
6.h4 — 24.3% (180 parties)
Ambassadeurs : Loginov, Valery A (4x), Rapaka Samuel Paul (2x), Christiansen, Larry (2x), Wilhelmi, Christian (2x), Palac, Mladen (2x), Lopushnoy, Denis (2x), Filippov, Valerij (2x), Arkhipov, Sergey (2x)
6.d3 — 12.0% (89 parties)
Ambassadeurs : Stibaner, Ottilie (1x), Gaprindashvili, Nona (1x), Andrade Andrade, Mathias Benjamin (1x), Larsen, Bent Ravn (1x), O'Kelly de Galway, Alberic (1x), Ghitescu, Theodor (1x), Tataev, Artur Kha (1x), Salov, Sergej (1x)
6.d4 — 11.7% (87 parties)
Ambassadeurs : Nikolaidis, Ioannis NA (2x), Tosic, Marko (2x), Repka, Christopher (2x), Wolf, Rudolf (1x), Fichtl, Jiri (1x), Lumper, Thomas (1x), Loeffler, Stefan (1x), Stoll, Ferdinand (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.h4 6.d3 6.d4
<1800 19 68% 11% 16% 5%
1800-2200 220 49% 18% 16% 8%
2200-2600 440 37% 28% 8% 15%
2600+ 6 17% 67% — 17%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.h4 6.d3 6.d4
1950s 10 20% 30% 40% 10%
1960s 17 41% 12% 41% —
1970s 22 55% 23% 14% —
1980s 17 53% 6% 12% 6%
1990s 135 41% 31% 11% 5%
2000s 182 47% 21% 10% 8%
2010s 299 40% 24% 11% 16%
2020s 60 35% 25% 12% 23%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 40% 35% ▼ -4.8%
6.h4 24% 25% ▲ +0.6%
6.d3 11% 12% ▲ +0.6%
6.d4 16% 23% ▲ +6.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
6.O-O — 42.0% (312 parties)
1954 — Raizman, Maurice vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
1958 — Cuderman, Vinko vs Bogdanovic, Rajko — 0-1 — JUG-13ch Sarajevo BIH
1960 — Drobyshevsky, A vs Salov, Sergej — 0-1 — ?
1962 — Namzhil, Naidan vs Wade, Robert G — 0-1 — Varna olm
1963 — Kirilov, Valentins vs Shmit, Anatoly — 0-1 — Riga LAT
6.h4 — 24.3% (180 parties)
1956 — Pogrebissky, Iosif vs Shianovsky, Vladislav I — 0-1 — Kiev UKR
1956 — Botvinnik, Mikhail vs Gligoric, Sofija — 1-0 — Moskou olm
1959 — Jares, Jakub vs Pachman, Ludek — 1/2-1/2 — Bratislava SVK
1960 — Ivkov, Borislav vs Benko, Pal — 1/2-1/2 — Buenos Aires ARG
1967 — Sliwa, Bogdan vs Calero, Ivan — 1-0 — Zinnowitz GER
6.d3 — 12.0% (89 parties)
1954 — Weiner, Milan vs Fichtl, Jiri — 1-0 — Prague CZE
1956 — Andrade Andrade, Mathias Benjamin vs Larsen, Bent Ravn — 0-1 — Moskou olm
1956 — Petrosian, Tigran V. vs Gusev, Yuri — 1/2-1/2 — Moscow RUS
1958 — Porath, Yosef vs Rapaka Samuel Paul — 1/2-1/2 — Haifa/Tel Aviv
1960 — O'Kelly de Galway, Alberic vs Ghitescu, Theodor — 1/2-1/2 — Leipzig GER
6.d4 — 11.7% (87 parties)
1957 — Wolf, Rudolf vs Fichtl, Jiri — 1/2-1/2 — Brno CZE
1988 — Lumper, Thomas vs Loeffler, Stefan — 1-0 — Duitsland tt
1992 — Gausel, Einar J vs Anand, Viswanathan — 1/2-1/2 — Olympiad Manila PHI
1993 — Bali, Janos Dr. vs Szalanczi, Emil — 0-1 — Budapest Budapest HUN
1993 — Kuech, Holger vs Birke, Andreas — 0-1 — Oberliga Ost B9293