E37a - 7…* - Classical Variation, Noa Variation (1930)

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E37a — Classical Variation, Noa Variation (1930)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2
Les coups candidats
Ambassadeurs : Hou, Yifan (11x), Karpov, Anatoly (9x), Ivanisevic, Ivan (9x), Carlsen, Magnus (8x), Kopasov, Evgeny (7x), Shishkin, Vadim (6x), Kasimdzhanov, Rustam (6x), Adams, Michael (6x)
Ambassadeurs : Audet-Bouchard, Nicolas (4x), Spodny, Josef (3x), Carstensen, Jacob (3x), Schoenegg, Thomas (3x), Vargyas, Zoltan (3x), Forintos, Gyozo V (2x), Cody, Philip C (2x), Solak, Dragan (2x)
7…O-O — 10.0% (157 parties)
Ambassadeurs : Milligan, Helen (2x), Turczynski, Marian (2x), Stulik, Vlastimil (1x), Hofmann, Vilem (1x), Alcorta, Martinez Leopoldo (1x), Litsberger, Rune (1x), Melzer, Georg (1x), Corinthios, Mario (1x)
7…e5 — 6.4% (101 parties)
Ambassadeurs : Atalik, Suat (3x), Kasparov, Garry (3x), Kramnik, Vladimir (2x), Coleman, Peter L (2x), Kotronias, Vasilios (2x), Adams, Michael (2x), Matveev, Vladimir A. (2x), Likavsky, Tomas (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…c5 7…Nc6 7…O-O 7…e5
<1800 47 68% 9% 15% 2%
1800-2200 474 55% 19% 16% 5%
2200-2600 686 70% 15% 6% 7%
2600+ 122 88% 4% 1% 7%
Évolution par décennie (% des parties)
Décennie N parties 7…c5 7…Nc6 7…O-O 7…e5
1950s 35 69% 14% 14% —
1960s 24 50% 29% 17% —
1970s 25 60% 24% 4% 8%
1980s 36 61% 11% 14% 11%
1990s 207 48% 27% 13% 7%
2000s 651 67% 16% 8% 7%
2010s 510 68% 12% 11% 6%
2020s 83 78% 7% 8% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…c5 68% 78% ▲ +10.5%
7…Nc6 12% 7% ▼ -4.3%
7…O-O 11% 8% ▼ -2.5%
7…e5 6% 2% ▼ -3.5%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Karpov, Anatoly — 9 parties
Carlsen, Magnus — 8 parties
Kramnik, Vladimir — 6 parties
Kasparov, Garry — 5 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Parties historiques
7…c5 — 64.8% (1018 parties)
1950 — Morcken, Otto B vs Porrecca, Giorgio — 0-1 — Dubrovnik CRO
1950 — Rabar, Braslav vs Fuderer, Andrija — 0-1 — Bled SLO
1950 — Cruz Filho, Oswaldo vs Mangini, Jose Henrique de Mello — 0-1 — Rio de Janeiro BRA
1950 — Castaldi, Vincenzo vs Napolitano, Mario — 0-1 — Sorrento
1950 — Castaldi, Vincenzo vs Napolitano, Mario — 0-1 — ?
7…Nc6 — 15.6% (245 parties)
1951 — Kamishov, Mikhail P vs Estrin, Yakov — 0-1 — USSR
1956 — Jones, Andrew vs Warburton, Charles — 0-1 — cr.
1956 — Keller-Hermann, Edith vs ADEIGBE, Funke Olawumi — 1-0 — Leipzig GER
1957 — Stulik, Vlastimil vs Jezek, Jaroslav — 1/2-1/2 — Prague CZE
1958 — Casas Perea, Fernando vs Rossetto, Hector — 1/2-1/2 — Mar del Plata ARG
7…O-O — 10.0% (157 parties)
1952 — Makarczyk, Kazimierz vs Koch, Berthold — 1/2-1/2 — Miedzyzdroje
1953 — Stulik, Vlastimil vs Hofmann, Vilem — 0-1 — Prague CZE
1956 — Melzer, Georg vs Corinthios, Mario — 1-0 — corr Dyckhoff mem
1957 — Addison, Wiliam G vs Bisguier, Arthur B — 1-0 — Cleveland, OH USA
1957 — Garfinkel, Boris vs Chertkof, Arnold — 1-0 — East Orange
7…e5 — 6.4% (101 parties)
1973 — Grigorian, Kamo vs Kortchnoi, V. — 1/2-1/2 — Moskou ch-URS
1975 — Forintos, Gyozo V vs Sydor, Andrzej — 1-0 — Cienfuegos City CUB
1983 — Vainerman, Igor vs Peresipkin, Vladimir — 0-1 — Simferopol UKR
1984 — Toth, Bela vs Korchnoi, Viktor — 1/2-1/2 — Suisse tt
1989 — Kasparov, Garry vs Nikolic, Predrag — 1/2-1/2 — Barcelona ESP