D47i - 7.Bxc4 b5 8.Bd3 b4 9.Na4 - Meran Lundin [-0.12]

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D47i — Meran Lundin
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 b4 9.Na4
Eval: [-0.12]
Les coups candidats
9…c5 — 61.2% (145 parties)
Ambassadeurs : Sveshnikov, Evgeny (7x), Lundin, Erik (4x), Kostro, Jerzy (3x), Vaganian, Rafael A (3x), Kakageldyev, Amanmurad (2x), Gligorić, Svetozar (2x), Vaganian Rafael Agred (2x), Ruderfer, Mark B (2x)
9…Bb7 — 20.7% (49 parties)
Ambassadeurs : Thomas, George Alan (2x), Ståhlberg, Gideon (1x), Vidmar, Milan Sr (1x), Wisskirchen, Willi (1x), Haverkamp, W. (1x), Garcia Gonzales, Guillermo (1x), Neckar, Lubomir (1x), Karanikolas, Konstantinos (1x)
9…Be7 — 8.0% (19 parties)
Ambassadeurs : Spielmann, Rudolf (1x), Eliskases, Erich (1x), Fernandez Zubieta, Cristian Benjamin (1x), Angos, Alexander (1x), Baradze, Dzhemal (1x), Privorotsky, Oleg (1x), Benedde, Guenter (1x), Daub, Christina (1x)
9…Qa5 — 5.5% (13 parties)
Ambassadeurs : Silbermann, Frank (1x), Astete Canal, Luisa Fernanda (1x), Stahlberg, Gideon (1x), Thomas, George Alan (1x), Berresheim, Helmut (1x), Meyer, Armin (1x), Tchantcev, Chaliko (1x), Epstein, Esther (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…c5 9…Bb7 9…Be7 9…Qa5
<1800 1 100% — — —
1800-2200 65 48% 18% 12% 8%
2200-2600 118 67% 21% 6% 4%
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9…c5 9…Bb7 9…Be7 9…Qa5
1930s 10 50% 20% 10% 20%
1940s 4 100% — — —
1950s 2 100% — — —
1960s 9 78% — 22% —
1970s 26 81% 19% — —
1980s 7 43% 43% 14% —
1990s 50 58% 26% 4% 8%
2000s 62 56% 26% 10% 3%
2010s 49 55% 16% 10% 8%
2020s 18 67% 11% 11% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…c5 55% 67% ▲ +11.6%
9…Bb7 16% 11% ▼ -5.2%
9…Be7 10% 11% ▲ +0.9%
9…Qa5 8% 6% ▼ -2.6%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 1 partie
Parties historiques
9…c5 — 61.2% (145 parties)
1933 — Podhorzer, David vs ? — 1-0 — Vienna AUT
1933 — Opocensky, Karel vs Pokorny, Amos — 0-1 — Mnichovo Hradiste
1936 — Capablanca, Jose vs Lundin, Erik — 1/2-1/2 — Margate Margate ENG
1936 — Tylor, Theodore Henry vs Alekhine, Alexander — 0-1 — Hastings ENG
1939 — Flores Alvarez, Rodrigo vs Lundin, Erik — 0-1 — Buenos Aires ARG
9…Bb7 — 20.7% (49 parties)
1936 — Thomas, George Alan vs Ståhlberg, Gideon — 1/2-1/2 — Podebrady CZE
1936 — Vidmar, Milan Sr vs Thomas, George Alan — 1/2-1/2 — Nottingham ENG
1970 — Radev, Nikolai vs Szabo, Janos — 1/2-1/2 — Albena
1971 — Tukmakov, Vladimir B vs Vasiukov, Evgeni — 1-0 — Leningrad RUS
1974 — Garcia Gonzales, Guillermo vs Neckar, Lubomir — 1-0 — Teesside ENG
9…Be7 — 8.0% (19 parties)
1933 — Spielmann, Rudolf vs Eliskases, Erich — 1/2-1/2 — Ebensee
1960 — Fernandez Zubieta, Cristian Benjamin vs Angos, Alexander — 0-1 — Leipzig GER
1967 — Baradze, Dzhemal vs Privorotsky, Oleg — 1/2-1/2 — Soviet Union
1980 — Benedde, Guenter vs Daub, Christina — 1-0 — Wuerttemberg
1995 — Kovacs, Janos vs Majdanics, Antal — 1-0 — HUN
9…Qa5 — 5.5% (13 parties)
1934 — Stahlberg, Gideon vs Thomas, George Alan — 1-0 — Ujpest
1936 — Silbermann, Frank vs Astete Canal, Luisa Fernanda — 0-1 — Barcelona ESP
1990 — Tchantcev, Chaliko vs Epstein, Esther — 0-1 — Vladivostok RUS
1996 — Skok, Boris vs Burmakin, Vladimir — 0-1 — Ljubljana
1998 — Berresheim, Helmut vs Meyer, Armin — 1/2-1/2 — West Berlin GER