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A13w — Neo-Catalan Accepted (1939)
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6
Les coups candidats
7.Qc2 — 61.0% (963 parties)
Ambassadeurs : Unzicker, Ferdinand, Dr. (8x), Wojtaszek, Radoslaw (6x), Socko, Bartosz (6x), Kulon, Klaudia (5x), Fressinet, Laurent (5x), Burmakin, Vladimir (5x), Mikhalevski, Victor (5x), Jacobsen, Mikkel Manosri (5x)
7.Qb3 — 17.4% (274 parties)
Ambassadeurs : Stangl, Markus (6x), Sveshnikov, Evgeny (5x), Wang, Yue (4x), Naiditsch, Arkadij (4x), Belous, Vladimir (4x), Gruen, Gerd-Peter (3x), Smagin, Sergey (3x), Sorokin, Maxim (3x)
7.O-O — 12.0% (190 parties)
Ambassadeurs : Sunye Neto, Jaime (3x), Andrade, Leonardo (2x), Yagupov, Igor (2x), Fiderer, Lukas (2x), Schwab, Lukas (2x), Heemsoth, Hermann (1x), Eisinger, Max Jr (1x), Szollosi, Laszlo (1x)
Ambassadeurs : Meijers, Viesturs (2x), Raupp, Thomas (2x), Weihmann, P. (1x), Cremer, Jochen (1x), Pfleger, Helmut, Dr. (1x), Johansen, Darryl K (1x), Antunes, Antonio (1x), Khasin, Alexander (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Qc2 7.Qb3 7.O-O 7.d4
<1800 33 58% 9% 21% 3%
1800-2200 340 56% 11% 19% 8%
2200-2600 1069 62% 19% 10% 4%
2600+ 81 70% 26% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Qc2 7.Qb3 7.O-O 7.d4
1950s 12 75% 25%
1960s 18 94%
1970s 31 81% 10% 3%
1980s 58 47% 26% 10% 10%
1990s 180 41% 26% 19% 7%
2000s 180 46% 17% 21% 7%
2010s 581 58% 21% 11% 6%
2020s 519 75% 12% 8% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Qc2 58% 75% ▲ +17.2%
7.Qb3 21% 12% ▼ -9.1%
7.O-O 11% 8% ▼ -3.1%
7.d4 6% 2% ▼ -3.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Carlsen, Magnus — 3 parties
Botvinnik, Mikhail — 2 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 2 parties
Parties historiques
7.Qc2 — 61.0% (963 parties)
1952 — Garcia Vera, Romeo vs Casas Perea, Fernando — 1/2-1/2 — Buenos Aires ARG
1952 — Sandor, Bela vs Szily, Jozsef — 0-1 — Hungary ch
1955 — Eising, Johannes vs Schlieder, Rolf — 1-0 — Zwickau
1955 — Polugaevsky, Lev vs Suetin, Alexey S — 1/2-1/2 — Voroshilovgrad
1956 — Kozma, Julius vs Sefc, Jan — 1-0 — Podebrady CZE
7.Qb3 — 17.4% (274 parties)
1982 — Petrosian, Arshak B vs Bagirov, Vladimir — 1/2-1/2 — Telavi
1984 — Adamski, Jan vs Donchev, Dimitar I. — 1/2-1/2 — Vrnjacka Banja SRB
1985 — Pountzas, Hrisanthos vs Vlahos, Kiriakos — 0-1 — Greece
1987 — Juncu, Margareta vs Maksimovic, Suzana — 1/2-1/2 — Sochi RUS
1987 — Jackelen, Thomas vs Gruen, Gerd-Peter — 1-0 — GER
7.O-O — 12.0% (190 parties)
1953 — Heemsoth, Hermann vs Eisinger, Max Jr — 0-1 — Berlin West
1953 — Taimanov, Mark vs Stahlberg, Gideon — 1-0 — Zurich SUI
1956 — Szollosi, Laszlo vs Szily, Jozsef — 1/2-1/2 — ?
1977 — Haygarth, Michael J vs Hillyard, Graham D — 1/2-1/2 — Brighton ch-BCF
1978 — Goldenberg, Richard vs Hess, Ralf E. — 1/2-1/2 — Reggio Emilia ITA
7.d4 — 5.0% (79 parties)
1977 — Blocker, Calvin vs Browne, Walter Shawn — 0-1 — Parmeson Class,CA
1982 — Resende, Antonio Carlos vs Ticianeli, Auriberto — 1-0 — Brasilia BRA
1985 — Khasin, Alexander vs Zaichik, Gennadi — 0-1 — Kostroma
1986 — Johansen, Darryl K vs Antunes, Antonio — 0-1 — Dubai olm
1986 — Nutu-Gajic, Daniela vs Medic, Mirjana — 1-0 — Jajce