D47i - 9.Na4 - Meran, Lundin (1934)

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D47i — Meran, Lundin (1934)
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
Les coups candidats
9…c5 — 60.6% (137 parties)
Ambassadeurs : Sveshnikov, Evgeny (7x), Vaganian, Rafael A (3x), Kakageldyev, Amanmurad (2x), Gligoric, Sofija (2x), Vaganian, Irina (2x), Kostro, Jerzy (2x), Ruderfer, Mark B (2x), Filip, Miroslav (2x)
9…Bb7 — 21.2% (48 parties)
Ambassadeurs : Kindl, Peter (1x), Hoffmann, Achim Gunter (1x), Wisskirchen, Willi (1x), Haverkamp, Wilfried (1x), Radev, Nikolai (1x), Szabo, Janos (1x), Sahovic, Dragutin (1x), Klovans, Janis (1x)
9…Be7 — 8.0% (18 parties)
Ambassadeurs : Baradze, Dzhemal (1x), Privorotsky, Oleg (1x), Zubieta Villegas, Magin (1x), Aggos, Alexandros (1x), Benedde, Guenter (1x), Daub, Christina (1x), Kovacs, Janos (1x), Majdanics, Antal (1x)
9…Bd6 — 4.9% (11 parties)
Ambassadeurs : Fuest, Martin (1x), Donner, Bernd (1x), Aben, Paul (1x), Gamble, Raymond J (1x), Lojewski, Ralf (1x), Humburg, Juergen (1x), Wagner, Bernd (1x), Grummich, Horst (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…c5 9…Bb7 9…Be7 9…Bd6
<1800 4 75% — — —
1800-2200 81 53% 19% 10% 11%
2200-2600 115 64% 23% 6% 2%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9…c5 9…Bb7 9…Be7 9…Bd6
1950s 2 100% — — —
1960s 9 78% — 22% —
1970s 25 80% 20% — —
1980s 7 43% 43% 14% —
1990s 50 58% 26% 4% 4%
2000s 62 56% 26% 10% 5%
2010s 49 55% 16% 10% 8%
2020s 22 64% 14% 9% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…c5 55% 64% ▲ +8.5%
9…Bb7 16% 14% ▼ -2.7%
9…Be7 10% 9% ▼ -1.1%
9…Bd6 8% 9% ▲ +0.9%
Parties historiques
9…c5 — 60.6% (137 parties)
1953 — Rabindra Ch. Dey vs Grivainis, Konstantin — 1/2-1/2 — Charnwood, Cape Town
1954 — Uhlmann, Wolfgang vs Lundin, Erik — 1/2-1/2 — Prague zt Prague CZE
1968 — Gligoric, Sofija vs Beni, Alfred — 1/2-1/2 — Yugoslavia
1968 — Schmidt, Wlodzimierz vs Bernard, Ryszard — 1/2-1/2 — Lodz POL
1968 — Gligoric, Sofija vs Kostro, Jerzy — 1/2-1/2 — Lugano olm
9…Bb7 — 21.2% (48 parties)
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
1974 — Weber, Adrian vs Heinicke, Gisbert — 1-0 — Hamburg GER
1978 — Sahovic, Dragutin vs Klovans, Janis — 0-1 — Yurmala
9…Be7 — 8.0% (18 parties)
1960 — Zubieta Villegas, Magin vs Aggos, Alexandros — 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
1994 — Kovacs, Janos vs Majdanics, Antal — 1-0 — Hungary 2 tt
1996 — Nedobora, Mikhail vs Alonso Martinez, Tomas — 1-0 — Nigran
9…Bd6 — 4.9% (11 parties)
1995 — Fuest, Martin vs Donner, Bernd — 1-0 — NRW ch Muenster, NRW
1998 — Aben, Paul vs Gamble, Raymond J — 1/2-1/2 — London ENG
2003 — Wagner, Bernd vs Grummich, Horst — 0-1 — Friedrichroda
2004 — Lojewski, Ralf vs Humburg, Juergen — 1/2-1/2 — Ruhrgebiet
2007 — Stefansson, Hannes vs Thorfinnsson, Bragi — 1-0 — Reykjavik ISL