A95f - 8.Qc2 - Stonewall (1927)

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A95f — Stonewall (1927)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6 8.Qc2
Les coups candidats
8…Ne4 — 37.0% (124 parties)
Ambassadeurs : Karlsson, Lars 1937 (4x), Hempson, Peter W (3x), Ingbrandt, Johan (2x), Cane, Andrea (2x), Bellin, Robert (2x), Calatayud, Manuel (1x), Patt Rubinstein, J. (1x), Secula, Victor (1x)
8…Qe8 — 29.3% (98 parties)
Ambassadeurs : Guimard, Carlos E (3x), Kahn, Manfred (2x), Zirngibl, Albert (1x), Heemsoth, Hermann (1x), Gumprich, Kurt (1x), Huguet, Horacio E (1x), Puiggros, Guillermo (1x), Montanelli, Antonio (1x)
8…Bd7 — 11.9% (40 parties)
Ambassadeurs : Pres, Grigorij (3x), Paichadze, Luka (2x), Goodkind, Lauren (2x), Lindeloef, David (1x), Haag, Ervin (1x), Canabrava, Antonio (1x), Estrada, Walter (1x), Sandvik Karl (1x)
8…Nbd7 — 10.1% (34 parties)
Ambassadeurs : Cross, Gregory W (3x), Hoegerl, Gerd (2x), Lang, Torsten (2x), Lindblom, Roar (2x), Roholdt, Njaal (2x), Wiedemann, Franz (1x), Schoessler, Alfred (1x), Radev, Nikolai (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Ne4 8…Qe8 8…Bd7 8…Nbd7
<1800 17 35% 12% 18% 18%
1800-2200 136 44% 22% 9% 12%
2200-2600 80 42% 19% 24% 8%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…Ne4 8…Qe8 8…Bd7 8…Nbd7
1950s 16 19% 69% 6% —
1960s 8 — 75% 12% 12%
1970s 19 26% 47% 5% 11%
1980s 35 20% 63% 9% 6%
1990s 62 39% 31% 11% 5%
2000s 64 42% 19% 12% 17%
2010s 109 44% 17% 15% 9%
2020s 22 45% 5% 14% 23%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Ne4 44% 45% ▲ +1.4%
8…Qe8 17% 5% ▼ -12.0%
8…Bd7 15% 14% ▼ -1.0%
8…Nbd7 9% 23% ▲ +13.6%
Parties historiques
8…Ne4 — 37.0% (124 parties)
1952 — Calatayud, Manuel vs Patt Rubinstein, J. — 1/2-1/2 — Rosario ARG
1952 — Toran Albero, Roman vs Ortega, Rogelio — 1-0 — Havana CUB
1958 — Secula, Victor vs Sahlmann, Walter — 0-1 — Hamburg GER
1970 — Messori, Edoardo vs Cane, Andrea — 1/2-1/2 — cr.
1973 — Smejkal, Jan vs Larsen, Bent Ravn — 0-1 — Leningrad izt
8…Qe8 — 29.3% (98 parties)
1950 — Castillo Bermudez, Manuel vs Guimard, Carlos E — 0-1 — Mar del Plata ARG
1950 — Sanguinetti, Ricardo vs Maderna, Carlos — 1-0 — Mar del Plata ARG
1951 — Huguet, Horacio E vs Puiggros, Guillermo — 1/2-1/2 — Buenos Aires ARG
1951 — Truscott, Alan Fraser vs Mardle, Denis — 1-0 — West London CC
1952 — Toran Albero, Roman vs Guimard, Carlos E — 1/2-1/2 — Havana CUB
8…Bd7 — 11.9% (40 parties)
1959 — Lindeloef, David vs Haag, Ervin — 1/2-1/2 — Budapest HUN
1960 — Canabrava, Antonio vs Estrada, Walter — 0-1 — Sao Paulo BRA
1973 — Muench, Klaus-Norbert, Dr. vs Bienert, Kurt — 0-1 — Krumbach
1982 — Scheeren, Peter vs Bohm, Hans — 1/2-1/2 — NED-ch Amsterdam/Drachten NED
1983 — Sandvik Karl vs Tieksola, Pentti — 1/2-1/2 — ?
8…Nbd7 — 10.1% (34 parties)
1969 — Wiedemann, Franz vs Schoessler, Alfred — 1-0 — Hamburg GER
1971 — Koriakin, Andrei vs Vakulienko, Vladlen — 0-1 — Soviet Union
1976 — Radev, Nikolai vs Pernishki, Luben — 1-0 — Pernik
1984 — Lindfors, Helge vs Wikman, Runar — 1-0 — ?
1986 — Andersson, Ulf vs Seger, Albin — 0-1 — cr.