A13w - 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 - Neo-Catalan Accepted (1948)

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A13w — Neo-Catalan Accepted (1948)
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5
Les coups candidats
7.O-O — 45.8% (700 parties)
Ambassadeurs : Mednis, Edmar J (8x), Klovans, Janis (6x), Korchnoi, Viktor (5x), Panczyk, Krzysztof (5x), Andersson, Ulf (4x), Luther, Thomas (4x), Taimanov, Mark (4x), Lechtynsky, Jiri (4x)
7.Qb3 — 22.0% (336 parties)
Ambassadeurs : Vaganian, Rafael A (10x), Sveshnikov, Evgeny (8x), Luther, Thomas (6x), Kiselev, Sergey. (6x), Adamski, Jan (4x), Aleksandrov, Viktor A. (4x), Romanishin, Oleg M (3x), Arnason, Jon L (3x)
7.d3 — 17.5% (268 parties)
Ambassadeurs : Inkiov, Ventzislav (6x), Sveshnikov, Evgeny (6x), Shcherbakov, Ruslan (4x), Makarov, Marat (4x), Knoedler, Dieter, Dr. (3x), Zenzera, Alexey (3x), Aleksandrov, Viktor A. (3x), Boersma, Paul (2x)
7.Qc2 — 8.2% (126 parties)
Ambassadeurs : Tal, Mikhail (2x), Jansson, Borje (2x), Langeweg, Kick (2x), Polugaevsky, Lev (2x), Sehner, Norbert (1x), Polaczek, Richard (1x), Mesiarik, Rudolf (1x), Dizdar, Goran (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.Qb3 7.d3 7.Qc2
<1800 23 39% 4% 35% 9%
1800-2200 310 52% 19% 15% 7%
2200-2600 1044 45% 22% 18% 9%
2600+ 72 31% 33% 24% 12%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.Qb3 7.d3 7.Qc2
1950s 5 100% — — —
1960s 2 100% — — —
1970s 76 57% 13% 3% 18%
1980s 197 51% 32% 6% 4%
1990s 311 38% 29% 23% 3%
2000s 224 55% 15% 17% 6%
2010s 470 45% 22% 17% 11%
2020s 243 39% 15% 27% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 45% 39% ▼ -6.2%
7.Qb3 22% 15% ▼ -6.5%
7.d3 17% 27% ▲ +9.5%
7.Qc2 11% 12% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Karpov, Anatoly — 2 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
7.O-O — 45.8% (700 parties)
1950 — Karff, Mona M vs Larsen, Ingrid — 1-0 — Moscow RUS
1951 — Smyslov, Vasily vs Taimanov, Mark — 1-0 — Moscow RUS
1955 — Gurgenidze, Bukhuti vs Lipnitsky, Isaac — 0-1 — Voroshilovgrad
1956 — Muehlberg, Siegfried vs Bertholdt, Dieter — 1/2-1/2 — Leipzig GER
1957 — Sandor, Bela vs Abramov, Roman — 0-1 — Minsk BLR
7.Qb3 — 22.0% (336 parties)
1971 — Salvaggione, Mike vs Wall, Alejandro — 0-1 — Marysville,CA
1977 — Kochyev, Alexander vs Bagirov, Vladimir — 1/2-1/2 — Leningrad ch-URS
1977 — Petrosian, Arshak B vs Razuvaev, Yuri S — 1-0 — Baku AZE
1977 — Mikhalchishin, Adrian vs Djuric, Stefan — 1/2-1/2 — Tallinn EST
1978 — Vaganian, Rafael A vs Sveshnikov, Evgeny — 1-0 — Lvov zt
7.d3 — 17.5% (268 parties)
1975 — Benko, Pal vs Liebert, Heinz — 1/2-1/2 — Szolnok
1979 — Jones, Iolo C vs Borik, Otto — 1/2-1/2 — West Germany
1981 — Karlsson, Lars 1937 vs Schneider, Lars-Ake — 1/2-1/2 — Eksjo SWE
1984 — Vilela De Acuna, Jose Luis vs Chernin, Alexander — 1/2-1/2 — Stary Smokovec SVK
1985 — Pigusov, Evgeny vs Sveshnikov, Evgeny — 1/2-1/2 — Sochi RUS
7.Qc2 — 8.2% (126 parties)
1973 — Polugaevsky, Lev vs Keres, Paul Petrovich — 1/2-1/2 — Moscow RUS
1973 — Polugaevsky, Lev vs Keres, Paul — 1/2-1/2 — Moskou ch-URS
1974 — Szabo, Laszlo vs Gerusel, Mathias — 1/2-1/2 — Solingen GER
1975 — Smejkal, Jan vs Tal, Mikhail — 1/2-1/2 — Milan ITA
1975 — Petrosian, Tigran A. vs Olafsson, Fridrik — 1/2-1/2 — Las Palmas ESP