A37g - 6.O-O - Symmetrical (1939)

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A37g — Symmetrical (1939)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.O-O
Les coups candidats
Ambassadeurs : De Firmian, Nick (12x), Cramling, Pia (6x), Bartel, Mario (6x), Zoltek, Tadeusz (5x), Balduan, Markus (5x), Player, Edmund C (5x), Loginov, Valery A (4x), Schricker, Jochen (4x)
6…e6 — 15.2% (1055 parties)
Ambassadeurs : Alekseev, Evgeny (11x), Quparadze, Giga (10x), Lezzerini, Marco (8x), Ghaem Maghami, Ehsan (7x), Wang, Yue (7x), Ortiz Suarez, Isan Reynaldo (6x), Pantsulaia, Levan (6x), Grischuk, Alexander (5x)
Ambassadeurs : Milutinovic, Stefana (5x), Thorfinnsson, Bragi (4x), Borisek, Jure (4x), Frois, Antonio (3x), Galego, Luis (3x), Donchenko, Alexander (3x), Parma, Bruno (2x), Hartoch, Robert G (2x)
6…Bf5 — 11.7% (812 parties)
Ambassadeurs : Malakhov, Vladimir (9x), Shetty, Shreya A (5x), Vachier-Lagrave, Maxime (5x), Gunnarsson, Jon Viktor (4x), Golubev, Roman (4x), Ivanov, Mikhail M. (4x), Salgado Lopez, Ivan (4x), Vastrukhin, Oleg (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…e5 6…e6 6…Nf6 6…Bf5
<1800 270 38% 14% 22% 8%
1800-2200 2664 37% 14% 16% 9%
2200-2600 3332 27% 17% 11% 15%
2600+ 159 14% 31% 6% 25%
Évolution par décennie (% des parties)
Décennie N parties 6…e5 6…e6 6…Nf6 6…Bf5
1950s 30 23% 3% 7% —
1960s 83 22% 5% 14% —
1970s 77 35% 4% 16% —
1980s 152 38% 5% 19% —
1990s 769 33% 6% 20% 3%
2000s 1216 42% 7% 21% 2%
2010s 3266 29% 19% 12% 15%
2020s 1326 26% 21% 10% 22%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…e5 29% 26% ▼ -2.9%
6…e6 19% 21% ▲ +1.9%
6…Nf6 12% 10% ▼ -2.6%
6…Bf5 15% 22% ▲ +7.0%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 10 parties
Gukesh D — 5 parties
Hou, Yifan — 3 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Parties historiques
6…e5 — 31.5% (2180 parties)
1954 — Zimmermann, Otto vs Trifunovic, Petar — 1/2-1/2 — Zuerich Zurich SUI
1956 — Luczynowicz, Waclaw vs Boleslavsky, Isaac — 1-0 — Krynica Krynica POL
1957 — Prameshuber, Alexander vs Partyka, Kazimierz — 0-1 — Bratislava Bratislava SVK
1957 — Reshko, Aron vs Bastrikov, Georgy — 1-0 — Kiev UKR
1958 — Katalymov, Boris vs Bastrikov, Georgy — 1/2-1/2 — Tashkent UZB
6…e6 — 15.2% (1055 parties)
1956 — Danielyan, Gurgen vs Kortchnoi, V. — 1/2-1/2 — Tbilisi GEO
1963 — Kushnir, Alla vs Nedeljkovic, Velja — 1/2-1/2 — USSR -Yugoslavia
1966 — Sanner, Michel vs Derhy Menie Mbele Jean — 1/2-1/2 — Grenoble FRA
1968 — Tukmakov, Vladimir B vs Kimelfeld, Rudolf — 1-0 — Riga LAT
1969 — Choo, Min Wang vs Ardiansyah, Haji — 0-1 — Singapore SIN
6…Nf6 — 14.3% (990 parties)
1959 — Sanguineti, Raúl Carlos vs Pilnik, Herman — 1/2-1/2 — Lima PER
1959 — Castaldi, Vincenzo vs Van Steenis, Joost — 1-0 — Lugano SUI
1961 — Barda, Olaf vs Skold, Kristian — 0-1 — Kiel GER
1961 — Udovcic, Mijo vs Parma, Bruno — 0-1 — Bled SLO
1962 — Jakhin, Rashid vs Bannik, Anatolij — 1/2-1/2 — Minsk BLR
6…Bf5 — 11.7% (812 parties)
1990 — Wojtkiewicz, Aleksander vs Ljubojevic, Ljubomir — 1/2-1/2 — Novi Sad olm
1991 — Sorensen, Torben vs Larsen, Steen Skovlund — 0-1 — ?
1992 — Reschke, Susanne vs Schlosser, Philipp — 0-1 — Duitsland tt
1992 — Barczay, Laszlo vs Krebs, Johann — 1-0 — Zalakaros
1993 — Zifroni, Dov vs Gross, Stefan — 1-0 — Budapest HUN