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A13v — Neo-Catalan Accepted, 5.Qa4+
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+
Eval: [+0.25]
Les coups candidats
Ambassadeurs : Sveshnikov, Evgeny (31x), Meijers, Viesturs (17x), Vaganian, Rafael A (14x), Schlosser, Philipp (14x), Mednis, Edmar J (13x), Korchnoi, Viktor (12x), Klovans, Janis (12x), Andersson, Ulf (11x)
5…c6 — 25.7% (1624 parties)
Ambassadeurs : Pérez López, Alberto (10x), Bellahcene, Bilel (9x), Pogorelov, Ruslan (8x), Adams, Michael (7x), Ghaem Maghami, Ehsan (7x), Xu, Yinglun (7x), Cosma, Elena-Luminita (7x), Anastasian, Ashot (6x)
5…Bd7 — 21.6% (1369 parties)
Ambassadeurs : Rozentalis, Eduardas (11x), Dragnev, Valentin (9x), Malakhatko, Vadim (8x), Pantsulaia, Levan (7x), Taimanov, Mark (6x), Aronian, Levon (6x), Gourlay, Iain (5x), Nazarova, Anastasia (5x)
5…Qd7 — 0.6% (39 parties)
Ambassadeurs : Estrin, Yakov (2x), Zakaryan, David (2x), Kopylov, Igor (1x), Lisitsin, Gleb (1x), Bronstein, David I (1x), Yudovich, Mikhail Jr (1x), Barcza, Gedeon (1x), Zita, Filip (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nbd7 5…c6 5…Bd7 5…Qd7
<1800 59 29% 24% 36% 2%
1800-2200 1119 43% 30% 26% 0%
2200-2600 4404 54% 25% 20% 0%
2600+ 364 46% 29% 24% 1%
Évolution par décennie (% des parties)
Décennie N parties 5…Nbd7 5…c6 5…Bd7 5…Qd7
1920s 4 25% 75%
1930s 5 20% 80%
1940s 16 81% 12% 6%
1950s 43 63% 26% 12%
1960s 44 70% 20% 7%
1970s 152 88% 10% 2%
1980s 307 92% 7% 1%
1990s 663 81% 7% 10% 1%
2000s 1066 45% 43% 10% 0%
2010s 2670 44% 34% 21% 0%
2020s 1357 42% 16% 41% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nbd7 44% 42% ▼ -1.8%
5…c6 34% 16% ▼ -18.4%
5…Bd7 21% 41% ▲ +20.3%
5…Qd7 0% 0% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Ju, Wenjun — 6 parties
Ding, Liren — 6 parties
Smyslov, Vladimir — 5 parties
Anand, Viswanathan — 5 parties
Botvinnik, Mikhail — 4 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 4 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
5…Nbd7 — 51.5% (3257 parties)
1929 — Takacs, Sandor vs Konig, I. — 1/2-1/2 — Rogaska Slatina
1939 — Eliskases, Erich vs Montoya Eisinger, Maximiliano — 1-0 — Bad Oeynhausen ch-GER
1941 — Iliesco, Juan vs Raud, Ilmar — 0-1 — Mar del Plata ARG
1944 — Katetov, Miroslav vs Foltys, Jan — 0-1 — Brno ch CZE
1946 — Subaric, Mladen vs Markovic, Mihajlo — 0-1 — Zagreb CRO
5…c6 — 25.7% (1624 parties)
1990 — Bader, Gerard vs Perrenot Pierre — 0-1 — cr.
1992 — Orel Music, Simona vs Marusic, Nada — 1/2-1/2 — Slovenia ch wmn
1993 — Roesemann, Rainer vs Onischuk, Alexander — 0-1 — Dortmund GER
1993 — Horvath, Gyula vs Rabiega, Robert — 0-1 — AUT-chT2S
1993 — Karlsson, Lars 1937 vs Rabiega, Robert — 1/2-1/2 — Wichern op Hamburg GER
5…Bd7 — 21.6% (1369 parties)
1927 — Nogues Acuna, Alejandro vs Heilimo, Eimo — 1-0 — London ENG
1927 — Reti, Richard vs Vidmar Milan — 1-0 — London ENG
1928 — Kmoch, Hans vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1930 — Ozols, Karlis vs Klass Harry — 0-1 — ?
1937 — Heemsoth, Hermann vs Meyer, Oliver — 1-0 — ?
5…Qd7 — 0.6% (39 parties)
1949 — Kopylov, Igor vs Lisitsin, Gleb — 1-0 — Leningrad RUS
1951 — Shainswit, George vs Pinkus, Albert — 1/2-1/2 — New York ch-USA
1952 — Botvinnik, Mikhail vs Gereben, Erno — 1-0 — Budapest HUN
1955 — Filip, Miroslav vs Witkowski, Stefan — 1-0 — Lyon FRA
1957 — Barcza, Gedeon vs Zita, Filip — 0-1 — Sofia zt Sofia BUL