A37e - 5…d6 - Symmetrical (1956)

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A37e — Symmetrical (1956)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6
Les coups candidats
Ambassadeurs : Shetty, Shreya A (15x), Loginov, Valery A (13x), Ptacnikova, Lenka (11x), Donchenko, Alexander (10x), Ebner, Hubert (8x), Wang, Yue (8x), Vokac, Marek (7x), Ben Artzi, Ido (7x)
Ambassadeurs : Gomez Jurado, Luis Alberto (5x), Franciskovic, Borka (4x), Yudasin, Leonid (4x), Lisitsin, Georgy (3x), Anay Barche (3x), Pedersen, Eigil (3x), Forintos, Gyozo V (3x), Stevic, Hrvoje (3x)
6.a3 — 6.1% (405 parties)
Ambassadeurs : Valdes Romero, Leonardo (11x), Kovalenko, Gleb I (7x), Wojtkiewicz, Aleksander (3x), Brendel, Oliver (3x), Wagner, Dinara (3x), Vaibhav Jayant Raut (3x), Benko, Pal (2x), Csom, Istvan (2x)
6.Rb1 — 0.9% (63 parties)
Ambassadeurs : Geller, Uzi (2x), Radulescu, Mihai (1x), Georgescu, Vasile-Maxim (1x), Gufeld, Eduard (1x), Lazarev, Efim M. (1x), Keene, Raymond D (1x), Hartston, William R (1x), Rapaka Samuel Paul (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.d3 6.a3 6.Rb1
<1800 272 79% 12% 3% 1%
1800-2200 2561 81% 12% 4% 1%
2200-2600 3190 79% 10% 8% 1%
2600+ 166 82% 8% 7% 2%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.d3 6.a3 6.Rb1
1950s 29 62% 28% 10% —
1960s 86 60% 29% 3% 6%
1970s 74 74% 18% 7% —
1980s 148 76% 12% 6% —
1990s 697 81% 11% 6% 1%
2000s 1131 77% 14% 5% 1%
2010s 3188 82% 10% 6% 1%
2020s 1330 80% 11% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 82% 80% ▼ -1.8%
6.d3 10% 11% ▲ +1.1%
6.a3 6% 6% -0.3%
6.Rb1 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 10 parties
Gukesh D — 4 parties
Hou, Yifan — 3 parties
Kramnik, Vladimir — 3 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Parties historiques
6.O-O — 80.0% (5344 parties)
1954 — Zimmermann, Otto vs Trifunovic, Petar — 1/2-1/2 — Zuerich Zurich SUI
1955 — Kotov, Alexander vs Korchnoi, Viktor — 1-0 — Moskou ch-URS
1956 — Portisch, Lajos vs Pogats, Jozsef Jr. — 1/2-1/2 — Budapest HUN
1956 — Furman, Semyon vs Petrosian, Tigran V. — 1/2-1/2 — URS-ch sf Tbilisi GEO
1956 — Danielyan, Gurgen vs Kortchnoi, V. — 1/2-1/2 — Tbilisi GEO
6.d3 — 11.4% (763 parties)
1956 — Lisitsin, Georgy vs Averbakh, Yuri L — 0-1 — Leningrad ch-URS
1956 — Stahlberg, Gideon vs Miguel, Nahuel — 1/2-1/2 — Moscow RUS
1956 — Lisitsin, Georgy vs Khasin, Abram — 1/2-1/2 — Leningrad RUS
1956 — Lisitsin, Georgy vs Bannik, Anatolij — 0-1 — Leningrad ch-URS
1957 — Sanguineti, Raúl Carlos vs Keres, Paul Petrovich — 1/2-1/2 — Mar del Plata ARG
6.a3 — 6.1% (405 parties)
1956 — Efimov, Kondrat vs Khasin, Abram — 0-1 — Leningrad RUS
1957 — Miguel, Nahuel vs Sanguineti, Raúl Carlos — 1/2-1/2 — Sao Paulo Sao Paulo BRA
1959 — Benko, Pal vs Sherwin, James T — 1-0 — New York ch-USA
1966 — Johansson, Ingi vs Benko, Pal — 1/2-1/2 — Havana olm
1968 — Doda, Zbigniew vs Neikirkh, Oleg — 1-0 — Riga LAT
6.Rb1 — 0.9% (63 parties)
1961 — Radulescu, Mihai vs Georgescu, Vasile-Maxim — 1/2-1/2 — Romania
1963 — Gufeld, Eduard vs Lazarev, Efim M. — 1/2-1/2 — Kiev UKR
1965 — Keene, Raymond D vs Hartston, William R — 1/2-1/2 — London ENG
1969 — Geller, Uzi vs Rapaka Samuel Paul — 1/2-1/2 — Netanya ISR
1969 — Geller, Uzi vs Rashevsky, Mykhailo — 1/2-1/2 — Netanya ISR